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source: branches/HeuristicLab.Problems.GaussianProcessTuning/ILNumerics.2.14.4735.573/Functions/builtin/mod.cs @ 11194

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Last change on this file since 11194 was 9102, checked in by gkronber, 12 years ago
#1967: ILNumerics source for experimentation
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1	///
2	/// This file is part of ILNumerics Community Edition.
3	///
4	/// ILNumerics Community Edition - high performance computing for applications.
5	/// Copyright (C) 2006 - 2012 Haymo Kutschbach, http://ilnumerics.net
6	///
7	/// ILNumerics Community Edition is free software: you can redistribute it and/or modify
8	/// it under the terms of the GNU General Public License version 3 as published by
9	/// the Free Software Foundation.
10	///
11	/// ILNumerics Community Edition is distributed in the hope that it will be useful,
12	/// but WITHOUT ANY WARRANTY; without even the implied warranty of
13	/// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14	/// GNU General Public License for more details.
15	///
16	/// You should have received a copy of the GNU General Public License
17	/// along with ILNumerics Community Edition. See the file License.txt in the root
18	/// of your distribution package. If not, see <http://www.gnu.org/licenses/>.
19	///
20	/// In addition this software uses the following components and/or licenses:
21	///
22	/// =================================================================================
23	/// The Open Toolkit Library License
24	///
25	/// Copyright (c) 2006 - 2009 the Open Toolkit library.
26	///
27	/// Permission is hereby granted, free of charge, to any person obtaining a copy
28	/// of this software and associated documentation files (the "Software"), to deal
29	/// in the Software without restriction, including without limitation the rights to
30	/// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
31	/// the Software, and to permit persons to whom the Software is furnished to do
32	/// so, subject to the following conditions:
33	///
34	/// The above copyright notice and this permission notice shall be included in all
35	/// copies or substantial portions of the Software.
36	///
37	/// =================================================================================
38	///
39
40	using System;
41	using ILNumerics;
42	using ILNumerics.Misc;
43	using ILNumerics.Storage;
44	using ILNumerics.Native;
45	using ILNumerics.Exceptions;
46
47
48
49	namespace ILNumerics {
50
51	public partial class ILMath {
52
53
54
55
56	#region HYCALPER AUTO GENERATED CODE
57
58	/// <summary>Modulus of array elements</summary>
59	/// <param name="A">Input array A</param>
60	/// <param name="B">Input array B</param>
61	/// <returns>New array with result of elementwise modulus operation</returns>
62	/// <remarks><para>On empty input an empty array will be returned.</para>
63	/// <para>A and/or B may be scalar. The scalar value will be applied on all elements of the
64	/// other array.</para>
65	/// <para>If A or B is a colum vector and the other parameter is an array with a matching colum length, the vector is used to operate on all columns of the array.
66	/// Similar, if one parameter is a row vector, it is used to operate along the rows of the other array if its number of columns matches the vector length. This feature
67	/// can be used to replace the (costly) repmat function for most binary operators.</para>
68	/// <para>For all other cases the dimensions of A and B must match.</para></remarks>
69	/// <exception cref="ILNumerics.Exceptions.ILArgumentException">If the size of both arrays does not match any parameter rule.</exception>
70	public unsafe static ILRetArray<Int64> mod(ILInArray<Int64> A, ILInArray<Int64> B) {
71	using (ILScope.Enter(A,B)) {
72	int outLen;
73	BinOpItMode mode;
74	Int64 [] retArr;
75	Int64 [] arrA = A.GetArrayForRead();
76	Int64[] arrB = B.GetArrayForRead();
77	ILSize outDims;
78	#region determine operation mode
79	if (A.IsScalar) {
80	outDims = B.Size;
81	if (B.IsScalar) {
82
83	return new ILRetArray<Int64> (new Int64 [1]{ saturateInt64 (A.GetValue(0) % (double) B.GetValue(0))}, A.Size);
84	} else if (B.IsEmpty) {
85	return ILRetArray<Int64>.empty(outDims);
86	} else {
87	outLen = outDims.NumberOfElements;
88	if (!B.TryGetStorage4InplaceOp(out retArr)) {
89	retArr = ILMemoryPool.Pool.New< Int64 > (outLen);
90	mode = BinOpItMode.SAN;
91	} else {
92	mode = BinOpItMode.SAI;
93	}
94	}
95	} else {
96	outDims = A.Size;
97	if (B.IsScalar) {
98	if (A.IsEmpty) {
99	return ILRetArray<Int64>.empty(A.Size);
100	}
101	outLen = A.S.NumberOfElements;
102	if (!A.TryGetStorage4InplaceOp(out retArr)) {
103	retArr = ILMemoryPool.Pool.New< Int64 > (outLen);
104	mode = BinOpItMode.ASN;
105	} else {
106	mode = BinOpItMode.ASI;
107	}
108	} else {
109	// array + array
110	if (!A.Size.IsSameSize(B.Size)) {
111	return modEx(A,B);
112	}
113	outLen = A.S.NumberOfElements;
114	if (A.TryGetStorage4InplaceOp(out retArr))
115	mode = BinOpItMode.AAIA;
116	else if (B.TryGetStorage4InplaceOp(out retArr))
117	mode = BinOpItMode.AAIB;
118	else {
119	retArr = ILMemoryPool.Pool.New< Int64 > (outLen);
120	mode = BinOpItMode.AAN;
121	}
122	}
123	}
124	#endregion
125	ILDenseStorage<Int64> retStorage = new ILDenseStorage<Int64>(retArr, outDims);
126	int i = 0, workerCount = 1;
127	Action<object> worker = data => {
128	Tuple<int, int, IntPtr, IntPtr, IntPtr, BinOpItMode> range
129	= (Tuple<int, int, IntPtr, IntPtr, IntPtr, BinOpItMode>)data;
130	Int64* cp = (Int64*)range.Item5 + range.Item1;
131	Int64 scalar;
132	int j = range.Item2;
133	#region loops
134	switch (mode) {
135	case BinOpItMode.AAIA:
136	Int64* bp = ((Int64*)range.Item4 + range.Item1);
137	while (j > 20) {
138	cp[0] = saturateInt64 (cp[0] % (double) bp[0]);
139	cp[1] = saturateInt64 (cp[1] % (double) bp[1]);
140	cp[2] = saturateInt64 (cp[2] % (double) bp[2]);
141	cp[3] = saturateInt64 (cp[3] % (double) bp[3]);
142	cp[4] = saturateInt64 (cp[4] % (double) bp[4]);
143	cp[5] = saturateInt64 (cp[5] % (double) bp[5]);
144	cp[6] = saturateInt64 (cp[6] % (double) bp[6]);
145	cp[7] = saturateInt64 (cp[7] % (double) bp[7]);
146	cp[8] = saturateInt64 (cp[8] % (double) bp[8]);
147	cp[9] = saturateInt64 (cp[9] % (double) bp[9]);
148	cp[10] = saturateInt64 (cp[10] % (double) bp[10]);
149	cp[11] = saturateInt64 (cp[11] % (double) bp[11]);
150	cp[12] = saturateInt64 (cp[12] % (double) bp[12]);
151	cp[13] = saturateInt64 (cp[13] % (double) bp[13]);
152	cp[14] = saturateInt64 (cp[14] % (double) bp[14]);
153	cp[15] = saturateInt64 (cp[15] % (double) bp[15]);
154	cp[16] = saturateInt64 (cp[16] % (double) bp[16]);
155	cp[17] = saturateInt64 (cp[17] % (double) bp[17]);
156	cp[18] = saturateInt64 (cp[18] % (double) bp[18]);
157	cp[19] = saturateInt64 (cp[19] % (double) bp[19]);
158	cp[20] = saturateInt64 (cp[20] % (double) bp[20]);
159	cp += 21; bp += 21; j -= 21;
160	}
161	while (j --> 0) {
162
163	cp = saturateInt64 (cp % (double) *bp);
164	cp++; bp++;
165	}
166	break;
167	case BinOpItMode.AAIB:
168	Int64* ap = ((Int64*)range.Item3 + range.Item1);
169	while (j > 20) {
170
171	cp[0] = saturateInt64 (ap[0] % (double) cp[0]);
172	cp[1] = saturateInt64 (ap[1] % (double) cp[1]);
173	cp[2] = saturateInt64 (ap[2] % (double) cp[2]);
174	cp[3] = saturateInt64 (ap[3] % (double) cp[3]);
175	cp[4] = saturateInt64 (ap[4] % (double) cp[4]);
176	cp[5] = saturateInt64 (ap[5] % (double) cp[5]);
177	cp[6] = saturateInt64 (ap[6] % (double) cp[6]);
178	cp[7] = saturateInt64 (ap[7] % (double) cp[7]);
179	cp[8] = saturateInt64 (ap[8] % (double) cp[8]);
180	cp[9] = saturateInt64 (ap[9] % (double) cp[9]);
181	cp[10] = saturateInt64 (ap[10] % (double) cp[10]);
182	cp[11] = saturateInt64 (ap[11] % (double) cp[11]);
183	cp[12] = saturateInt64 (ap[12] % (double) cp[12]);
184	cp[13] = saturateInt64 (ap[13] % (double) cp[13]);
185	cp[14] = saturateInt64 (ap[14] % (double) cp[14]);
186	cp[15] = saturateInt64 (ap[15] % (double) cp[15]);
187	cp[16] = saturateInt64 (ap[16] % (double) cp[16]);
188	cp[17] = saturateInt64 (ap[17] % (double) cp[17]);
189	cp[18] = saturateInt64 (ap[18] % (double) cp[18]);
190	cp[19] = saturateInt64 (ap[19] % (double) cp[19]);
191	cp[20] = saturateInt64 (ap[20] % (double) cp[20]);
192	ap += 21; cp += 21; j -= 21;
193	}
194	while (j --> 0) {
195
196	cp = saturateInt64 (ap % (double) *cp);
197	ap++; cp++;
198	}
199	break;
200	case BinOpItMode.AAN:
201	ap = ((Int64*)range.Item3 + range.Item1);
202	bp = ((Int64*)range.Item4 + range.Item1);
203	while (j > 20) {
204
205	cp[0] = saturateInt64 (ap[0] % (double) bp[0]);
206	cp[1] = saturateInt64 (ap[1] % (double) bp[1]);
207	cp[2] = saturateInt64 (ap[2] % (double) bp[2]);
208	cp[3] = saturateInt64 (ap[3] % (double) bp[3]);
209	cp[4] = saturateInt64 (ap[4] % (double) bp[4]);
210	cp[5] = saturateInt64 (ap[5] % (double) bp[5]);
211	cp[6] = saturateInt64 (ap[6] % (double) bp[6]);
212	cp[7] = saturateInt64 (ap[7] % (double) bp[7]);
213	cp[8] = saturateInt64 (ap[8] % (double) bp[8]);
214	cp[9] = saturateInt64 (ap[9] % (double) bp[9]);
215	cp[10] = saturateInt64 (ap[10] % (double) bp[10]);
216	cp[11] = saturateInt64 (ap[11] % (double) bp[11]);
217	cp[12] = saturateInt64 (ap[12] % (double) bp[12]);
218	cp[13] = saturateInt64 (ap[13] % (double) bp[13]);
219	cp[14] = saturateInt64 (ap[14] % (double) bp[14]);
220	cp[15] = saturateInt64 (ap[15] % (double) bp[15]);
221	cp[16] = saturateInt64 (ap[16] % (double) bp[16]);
222	cp[17] = saturateInt64 (ap[17] % (double) bp[17]);
223	cp[18] = saturateInt64 (ap[18] % (double) bp[18]);
224	cp[19] = saturateInt64 (ap[19] % (double) bp[19]);
225	cp[20] = saturateInt64 (ap[20] % (double) bp[20]);
226	ap+=21; bp+=21; cp+=21; j-=21;
227	}
228	while (j --> 0) {
229
230	cp = saturateInt64 (ap % (double) *bp);
231	ap++; bp++; cp++;
232	}
233	break;
234	case BinOpItMode.ASI:
235	scalar = ((Int64)range.Item4);
236	while (j > 20) {
237
238	cp[0] = saturateInt64 (cp[0] % (double) scalar);
239	cp[1] = saturateInt64 (cp[1] % (double) scalar);
240	cp[2] = saturateInt64 (cp[2] % (double) scalar);
241	cp[3] = saturateInt64 (cp[3] % (double) scalar);
242	cp[4] = saturateInt64 (cp[4] % (double) scalar);
243	cp[5] = saturateInt64 (cp[5] % (double) scalar);
244	cp[6] = saturateInt64 (cp[6] % (double) scalar);
245	cp[7] = saturateInt64 (cp[7] % (double) scalar);
246	cp[8] = saturateInt64 (cp[8] % (double) scalar);
247	cp[9] = saturateInt64 (cp[9] % (double) scalar);
248	cp[10] = saturateInt64 (cp[10] % (double) scalar);
249	cp[11] = saturateInt64 (cp[11] % (double) scalar);
250	cp[12] = saturateInt64 (cp[12] % (double) scalar);
251	cp[13] = saturateInt64 (cp[13] % (double) scalar);
252	cp[14] = saturateInt64 (cp[14] % (double) scalar);
253	cp[15] = saturateInt64 (cp[15] % (double) scalar);
254	cp[16] = saturateInt64 (cp[16] % (double) scalar);
255	cp[17] = saturateInt64 (cp[17] % (double) scalar);
256	cp[18] = saturateInt64 (cp[18] % (double) scalar);
257	cp[19] = saturateInt64 (cp[19] % (double) scalar);
258	cp[20] = saturateInt64 (cp[20] % (double) scalar);
259	cp += 21; j -= 21;
260	}
261	while (j --> 0) {
262
263	cp = saturateInt64 (cp % (double) scalar);
264	cp++;
265	}
266	break;
267	case BinOpItMode.ASN:
268	ap = ((Int64*)range.Item3 + range.Item1);
269	scalar = ((Int64)range.Item4);
270	while (j > 20) {
271
272	cp[0] = saturateInt64 (ap[0] % (double) scalar);
273	cp[1] = saturateInt64 (ap[1] % (double) scalar);
274	cp[2] = saturateInt64 (ap[2] % (double) scalar);
275	cp[3] = saturateInt64 (ap[3] % (double) scalar);
276	cp[4] = saturateInt64 (ap[4] % (double) scalar);
277	cp[5] = saturateInt64 (ap[5] % (double) scalar);
278	cp[6] = saturateInt64 (ap[6] % (double) scalar);
279	cp[7] = saturateInt64 (ap[7] % (double) scalar);
280	cp[8] = saturateInt64 (ap[8] % (double) scalar);
281	cp[9] = saturateInt64 (ap[9] % (double) scalar);
282	cp[10] = saturateInt64 (ap[10] % (double) scalar);
283	cp[11] = saturateInt64 (ap[11] % (double) scalar);
284	cp[12] = saturateInt64 (ap[12] % (double) scalar);
285	cp[13] = saturateInt64 (ap[13] % (double) scalar);
286	cp[14] = saturateInt64 (ap[14] % (double) scalar);
287	cp[15] = saturateInt64 (ap[15] % (double) scalar);
288	cp[16] = saturateInt64 (ap[16] % (double) scalar);
289	cp[17] = saturateInt64 (ap[17] % (double) scalar);
290	cp[18] = saturateInt64 (ap[18] % (double) scalar);
291	cp[19] = saturateInt64 (ap[19] % (double) scalar);
292	cp[20] = saturateInt64 (ap[20] % (double) scalar);
293	ap+=21; cp+=21; j -= 21;
294	}
295	while (j --> 0) {
296
297	cp = saturateInt64 (ap % (double) scalar);
298	ap++; cp++;
299	}
300	break;
301	case BinOpItMode.SAI:
302	scalar = ((Int64)range.Item3);
303	while (j > 20) {
304
305	cp[0] = saturateInt64 (scalar % (double) cp[0]);
306	cp[1] = saturateInt64 (scalar % (double) cp[1]);
307	cp[2] = saturateInt64 (scalar % (double) cp[2]);
308	cp[3] = saturateInt64 (scalar % (double) cp[3]);
309	cp[4] = saturateInt64 (scalar % (double) cp[4]);
310	cp[5] = saturateInt64 (scalar % (double) cp[5]);
311	cp[6] = saturateInt64 (scalar % (double) cp[6]);
312	cp[7] = saturateInt64 (scalar % (double) cp[7]);
313	cp[8] = saturateInt64 (scalar % (double) cp[8]);
314	cp[9] = saturateInt64 (scalar % (double) cp[9]);
315	cp[10] = saturateInt64 (scalar % (double) cp[10]);
316	cp[11] = saturateInt64 (scalar % (double) cp[11]);
317	cp[12] = saturateInt64 (scalar % (double) cp[12]);
318	cp[13] = saturateInt64 (scalar % (double) cp[13]);
319	cp[14] = saturateInt64 (scalar % (double) cp[14]);
320	cp[15] = saturateInt64 (scalar % (double) cp[15]);
321	cp[16] = saturateInt64 (scalar % (double) cp[16]);
322	cp[17] = saturateInt64 (scalar % (double) cp[17]);
323	cp[18] = saturateInt64 (scalar % (double) cp[18]);
324	cp[19] = saturateInt64 (scalar % (double) cp[19]);
325	cp[20] = saturateInt64 (scalar % (double) cp[20]);
326	cp += 21; j -= 21;
327	}
328	while (j --> 0) {
329
330	cp = saturateInt64 (scalar % (double) cp);
331	cp++;
332	}
333	break;
334	case BinOpItMode.SAN:
335	scalar = ((Int64)range.Item3);
336	bp = ((Int64*)range.Item4 + range.Item1);
337	while (j > 20) {
338
339	cp[0] = saturateInt64 (scalar % (double) bp[0]);
340	cp[1] = saturateInt64 (scalar % (double) bp[1]);
341	cp[2] = saturateInt64 (scalar % (double) bp[2]);
342	cp[3] = saturateInt64 (scalar % (double) bp[3]);
343	cp[4] = saturateInt64 (scalar % (double) bp[4]);
344	cp[5] = saturateInt64 (scalar % (double) bp[5]);
345	cp[6] = saturateInt64 (scalar % (double) bp[6]);
346	cp[7] = saturateInt64 (scalar % (double) bp[7]);
347	cp[8] = saturateInt64 (scalar % (double) bp[8]);
348	cp[9] = saturateInt64 (scalar % (double) bp[9]);
349	cp[10] = saturateInt64 (scalar % (double) bp[10]);
350	cp[11] = saturateInt64 (scalar % (double) bp[11]);
351	cp[12] = saturateInt64 (scalar % (double) bp[12]);
352	cp[13] = saturateInt64 (scalar % (double) bp[13]);
353	cp[14] = saturateInt64 (scalar % (double) bp[14]);
354	cp[15] = saturateInt64 (scalar % (double) bp[15]);
355	cp[16] = saturateInt64 (scalar % (double) bp[16]);
356	cp[17] = saturateInt64 (scalar % (double) bp[17]);
357	cp[18] = saturateInt64 (scalar % (double) bp[18]);
358	cp[19] = saturateInt64 (scalar % (double) bp[19]);
359	cp[20] = saturateInt64 (scalar % (double) bp[20]);
360	bp+=21; cp+=21; j -= 21;
361	}
362	while (j --> 0) {
363
364	cp = saturateInt64 (scalar % (double) bp);
365	bp++; cp++;
366	}
367	break;
368	default:
369	break;
370	}
371	#endregion
372	System.Threading.Interlocked.Decrement(ref workerCount);
373	//retStorage.PendingEvents.Signal();
374	};
375
376	#region do the work
377	int workItemCount = Settings.s_maxNumberThreads, workItemLength;
378	if (Settings.s_maxNumberThreads > 1 && outLen / 2 > Settings.s_minParallelElement1Count) {
379	if (outLen / workItemCount > Settings.s_minParallelElement1Count) {
380	workItemLength = outLen / workItemCount;
381	//workItemLength = (int)((double)outLen / workItemCount * 1.05);
382	} else {
383	workItemLength = outLen / 2;
384	workItemCount = 2;
385	}
386	} else {
387	workItemLength = outLen;
388	workItemCount = 1;
389	}
390
391	fixed ( Int64* arrAP = arrA)
392	fixed ( Int64* arrBP = arrB)
393	fixed ( Int64* retArrP = retArr) {
394
395	for (; i < workItemCount - 1; i++) {
396	Tuple<int, int, IntPtr, IntPtr, IntPtr, BinOpItMode> range
397	= new Tuple<int, int, IntPtr, IntPtr, IntPtr, BinOpItMode>
398	(i * workItemLength, workItemLength, (IntPtr)arrAP, (IntPtr)arrBP, (IntPtr)retArrP, mode);
399	System.Threading.Interlocked.Increment(ref workerCount);
400	ILThreadPool.QueueUserWorkItem(i, worker, range);
401	}
402	// the last (or may the only) chunk is done right here
403	//System.Threading.Interlocked.Increment(ref retStorage.PendingTasks);
404	worker(new Tuple<int, int, IntPtr, IntPtr, IntPtr, BinOpItMode>
405	(i * workItemLength, outLen - i * workItemLength, (IntPtr)arrAP, (IntPtr)arrBP, (IntPtr)retArrP, mode));
406
407	ILThreadPool.Wait4Workers(ref workerCount);
408	}
409
410	#endregion
411	return new ILRetArray< Int64>(retStorage);
412	}
413	}
414
415	private static unsafe ILRetArray<Int64> modEx(ILInArray<Int64> A, ILInArray<Int64> B) {
416	//using (ILScope.Enter(A, B)) { we cannot start a new scope here, since this would prevent A and B to be used implace if applicable
417
418	#region parameter checking
419	if (isnull(A) \|\| isnull(B))
420	return empty<Int64>(ILSize.Empty00);
421	if (A.IsEmpty) {
422	return empty<Int64>(B.S);
423	} else if (B.IsEmpty) {
424	return empty<Int64>(A.S);
425	}
426	//if (A.IsScalar \|\| B.IsScalar \|\| A.D.IsSameSize(B.D))
427	// return add(A,B);
428	int dim = -1;
429	for (int l = 0; l < Math.Max(A.S.NumberOfDimensions, B.S.NumberOfDimensions); l++) {
430	if (A.S[l] != B.S[l]) {
431	if (dim >= 0 \|\| (A.S[l] != 1 && B.S[l] != 1)) {
432	throw new ILArgumentException("A and B must have the same size except for one simgleton dimension in A or B");
433	}
434	dim = l;
435	}
436	}
437	if (dim > 1)
438	throw new ILArgumentException("singleton dimension expansion currently is only supported for colum- and row vectors");
439	dim = -(dim - 1); // 0 -> 1, 1 -> 0
440	#endregion
441
442	#region parameter preparation
443
444	Int64[] retArr;
445
446	Int64[] arrA = A.GetArrayForRead();
447
448	Int64[] arrB = B.GetArrayForRead();
449	ILSize outDims;
450	BinOptItExMode mode;
451	int workItemMultiplierLenA;
452	int workItemMultiplierLenB;
453	if (A.IsVector) {
454	outDims = B.S;
455	if (!B.TryGetStorage4InplaceOp(out retArr)) {
456	retArr = ILMemoryPool.Pool.New<Int64>(outDims.NumberOfElements);
457	mode = BinOptItExMode.VAN;
458	} else {
459	mode = BinOptItExMode.VAI;
460	}
461	workItemMultiplierLenB = outDims[0];
462	workItemMultiplierLenA = dim; // 0 for column, 1 for row vector
463	} else if (B.IsVector) {
464	outDims = A.S;
465	if (!A.TryGetStorage4InplaceOp(out retArr)) {
466	retArr = ILMemoryPool.Pool.New<Int64>(outDims.NumberOfElements);
467	mode = BinOptItExMode.AVN;
468	} else {
469	mode = BinOptItExMode.AVI;
470	}
471	workItemMultiplierLenB = dim; // 0 for column, 1 for row vector
472	workItemMultiplierLenA = outDims[0];
473	} else {
474	throw new ILArgumentException("A and B must have the same size except for one singleton dimension in either A or B");
475	}
476	int itLen = outDims[0]; // (dim == 0) ? outDims.SequentialIndexDistance(1) : outDims.SequentialIndexDistance(0);
477	#endregion
478
479	#region worker loops definition
480	ILDenseStorage<Int64> retStorage = new ILDenseStorage<Int64>(retArr, outDims);
481	int workerCount = 1;
482	Action<object> worker = data => {
483	// expects: iStart, iLen, ap, bp, cp
484	Tuple<int, IntPtr, IntPtr, IntPtr> range =
485	(Tuple<int, IntPtr, IntPtr, IntPtr>)data;
486
487	Int64* ap;
488
489	Int64* bp;
490
491	Int64* cp;
492	switch (mode) {
493	case BinOptItExMode.VAN:
494	if (dim == 0) {
495	bp = (Int64*)range.Item3;
496	cp = (Int64*)range.Item4;
497	for (int s = 0; s < range.Item1; s++) {
498	ap = (Int64*)range.Item2;
499	int l = itLen;
500	while (l > 10) {
501	cp[0] = saturateInt64 (ap[0] % (double) bp[0]);
502	cp[1] = saturateInt64 (ap[1] % (double) bp[1]);
503	cp[2] = saturateInt64 (ap[2] % (double) bp[2]);
504	cp[3] = saturateInt64 (ap[3] % (double) bp[3]);
505	cp[4] = saturateInt64 (ap[4] % (double) bp[4]);
506	cp[5] = saturateInt64 (ap[5] % (double) bp[5]);
507	cp[6] = saturateInt64 (ap[6] % (double) bp[6]);
508	cp[7] = saturateInt64 (ap[7] % (double) bp[7]);
509	cp[8] = saturateInt64 (ap[8] % (double) bp[8]);
510	cp[9] = saturateInt64 (ap[9] % (double) bp[9]);
511	cp[10] = saturateInt64 (ap[10] % (double) bp[10]);
512	ap += 11;
513	bp += 11;
514	cp += 11;
515	l -= 11;
516	}
517	while (l-- > 0) {
518	cp++ = saturateInt64 (ap++ % (double) *bp++);
519	}
520	}
521	} else {
522	// dim == 1
523	ap = (Int64*)range.Item2;
524	bp = (Int64*)range.Item3;
525	cp = (Int64*)range.Item4;
526	for (int s = 0; s < range.Item1; s++) {
527	Int64 val = *ap++;
528	int l = itLen;
529	while (l > 10) {
530	cp[0] = saturateInt64 (val % (double) bp[0]);
531	cp[1] = saturateInt64 (val % (double) bp[1]);
532	cp[2] = saturateInt64 (val % (double) bp[2]);
533	cp[3] = saturateInt64 (val % (double) bp[3]);
534	cp[4] = saturateInt64 (val % (double) bp[4]);
535	cp[5] = saturateInt64 (val % (double) bp[5]);
536	cp[6] = saturateInt64 (val % (double) bp[6]);
537	cp[7] = saturateInt64 (val % (double) bp[7]);
538	cp[8] = saturateInt64 (val % (double) bp[8]);
539	cp[9] = saturateInt64 (val % (double) bp[9]);
540	cp[10] = saturateInt64 (val % (double) bp[10]);
541	bp += 11;
542	cp += 11;
543	l -= 11;
544	}
545	while (l-- > 0) {
546	cp++ = saturateInt64 (val % (double) bp++);
547	}
548	}
549	}
550	break;
551	case BinOptItExMode.VAI:
552	if (dim == 0) {
553	cp = (Int64*)range.Item4;
554	for (int s = 0; s < range.Item1; s++) {
555	ap = (Int64*)range.Item2;
556	int l = itLen;
557	while (l > 10) {
558	cp[0] = saturateInt64 (ap[0] % (double) cp[0]);
559	cp[1] = saturateInt64 (ap[1] % (double) cp[1]);
560	cp[2] = saturateInt64 (ap[2] % (double) cp[2]);
561	cp[3] = saturateInt64 (ap[3] % (double) cp[3]);
562	cp[4] = saturateInt64 (ap[4] % (double) cp[4]);
563	cp[5] = saturateInt64 (ap[5] % (double) cp[5]);
564	cp[6] = saturateInt64 (ap[6] % (double) cp[6]);
565	cp[7] = saturateInt64 (ap[7] % (double) cp[7]);
566	cp[8] = saturateInt64 (ap[8] % (double) cp[8]);
567	cp[9] = saturateInt64 (ap[9] % (double) cp[9]);
568	cp[10] = saturateInt64 (ap[10] % (double) cp[10]);
569	ap += 11;
570	cp += 11;
571	l -= 11;
572	}
573	while (l-- > 0) {
574	cp = saturateInt64 (ap++ % (double) *cp);
575	cp++;
576	}
577	}
578	} else {
579	// dim == 1
580	cp = (Int64*)range.Item4;
581	ap = (Int64*)range.Item2;
582	for (int s = 0; s < range.Item1; s++) {
583
584	Int64 val = *ap++;
585	int l = itLen;
586	while (l > 10) {
587	cp[0] = saturateInt64 (val % (double) cp[0]);
588	cp[1] = saturateInt64 (val % (double) cp[1]);
589	cp[2] = saturateInt64 (val % (double) cp[2]);
590	cp[3] = saturateInt64 (val % (double) cp[3]);
591	cp[4] = saturateInt64 (val % (double) cp[4]);
592	cp[5] = saturateInt64 (val % (double) cp[5]);
593	cp[6] = saturateInt64 (val % (double) cp[6]);
594	cp[7] = saturateInt64 (val % (double) cp[7]);
595	cp[8] = saturateInt64 (val % (double) cp[8]);
596	cp[9] = saturateInt64 (val % (double) cp[9]);
597	cp[10] = saturateInt64 (val % (double) cp[10]);
598	cp += 11;
599	l -= 11;
600	}
601	while (l-- > 0) {
602	cp = saturateInt64 (val % (double) cp);
603	cp++;
604	}
605	}
606	}
607	break;
608	case BinOptItExMode.AVN:
609	if (dim == 0) {
610	ap = (Int64*)range.Item2;
611	cp = (Int64*)range.Item4;
612	for (int s = 0; s < range.Item1; s++) {
613	bp = (Int64*)range.Item3;
614	int l = itLen;
615	while (l > 10) {
616	cp[0] = saturateInt64 (ap[0] % (double) bp[0]);
617	cp[1] = saturateInt64 (ap[1] % (double) bp[1]);
618	cp[2] = saturateInt64 (ap[2] % (double) bp[2]);
619	cp[3] = saturateInt64 (ap[3] % (double) bp[3]);
620	cp[4] = saturateInt64 (ap[4] % (double) bp[4]);
621	cp[5] = saturateInt64 (ap[5] % (double) bp[5]);
622	cp[6] = saturateInt64 (ap[6] % (double) bp[6]);
623	cp[7] = saturateInt64 (ap[7] % (double) bp[7]);
624	cp[8] = saturateInt64 (ap[8] % (double) bp[8]);
625	cp[9] = saturateInt64 (ap[9] % (double) bp[9]);
626	cp[10] = saturateInt64 (ap[10] % (double) bp[10]);
627	ap += 11;
628	bp += 11;
629	cp += 11;
630	l -= 11;
631	}
632	while (l-- > 0) {
633	cp = saturateInt64 (ap % (double) *bp);
634	ap++;
635	bp++;
636	cp++;
637	}
638	}
639	} else {
640	// dim = 1
641	ap = (Int64*)range.Item2;
642	bp = (Int64*)range.Item3;
643	cp = (Int64*)range.Item4;
644	for (int s = 0; s < range.Item1; s++) {
645	Int64 val = *bp++;
646	int l = itLen;
647	while (l > 10) {
648	cp[0] = saturateInt64 (ap[0] % (double) val);
649	cp[1] = saturateInt64 (ap[1] % (double) val);
650	cp[2] = saturateInt64 (ap[2] % (double) val);
651	cp[3] = saturateInt64 (ap[3] % (double) val);
652	cp[4] = saturateInt64 (ap[4] % (double) val);
653	cp[5] = saturateInt64 (ap[5] % (double) val);
654	cp[6] = saturateInt64 (ap[6] % (double) val);
655	cp[7] = saturateInt64 (ap[7] % (double) val);
656	cp[8] = saturateInt64 (ap[8] % (double) val);
657	cp[9] = saturateInt64 (ap[9] % (double) val);
658	cp[10] = saturateInt64 (ap[10] % (double) val);
659	ap += 11;
660	cp += 11;
661	l -= 11;
662	}
663	while (l-- > 0) {
664	cp = saturateInt64 (ap % (double) val);
665	ap++;
666	cp++;
667	}
668	}
669	}
670	break;
671	case BinOptItExMode.AVI:
672	if (dim == 0) {
673	cp = (Int64*)range.Item4;
674	for (int s = 0; s < range.Item1; s++) {
675	bp = (Int64*)range.Item3;
676	int l = itLen;
677	while (l > 10) {
678	cp[0] = saturateInt64 (cp[0] % (double) bp[0]);
679	cp[1] = saturateInt64 (cp[1] % (double) bp[1]);
680	cp[2] = saturateInt64 (cp[2] % (double) bp[2]);
681	cp[3] = saturateInt64 (cp[3] % (double) bp[3]);
682	cp[4] = saturateInt64 (cp[4] % (double) bp[4]);
683	cp[5] = saturateInt64 (cp[5] % (double) bp[5]);
684	cp[6] = saturateInt64 (cp[6] % (double) bp[6]);
685	cp[7] = saturateInt64 (cp[7] % (double) bp[7]);
686	cp[8] = saturateInt64 (cp[8] % (double) bp[8]);
687	cp[9] = saturateInt64 (cp[9] % (double) bp[9]);
688	cp[10] = saturateInt64 (cp[10] % (double) bp[10]);
689	bp += 11;
690	cp += 11;
691	l -= 11;
692	}
693	while (l-- > 0) {
694	cp = saturateInt64 (cp % (double) *bp);
695	bp++;
696	cp++;
697	}
698	}
699	} else {
700	// dim = 1
701	bp = (Int64*)range.Item3;
702	cp = (Int64*)range.Item4;
703	for (int s = 0; s < range.Item1; s++) {
704
705	Int64 val = *bp++;
706	int l = itLen;
707	while (l > 10) {
708	cp[0] = saturateInt64 (cp[0] % (double) val);
709	cp[1] = saturateInt64 (cp[1] % (double) val);
710	cp[2] = saturateInt64 (cp[2] % (double) val);
711	cp[3] = saturateInt64 (cp[3] % (double) val);
712	cp[4] = saturateInt64 (cp[4] % (double) val);
713	cp[5] = saturateInt64 (cp[5] % (double) val);
714	cp[6] = saturateInt64 (cp[6] % (double) val);
715	cp[7] = saturateInt64 (cp[7] % (double) val);
716	cp[8] = saturateInt64 (cp[8] % (double) val);
717	cp[9] = saturateInt64 (cp[9] % (double) val);
718	cp[10] = saturateInt64 (cp[10] % (double) val);
719	cp += 11;
720	l -= 11;
721	}
722	while (l --> 0) {
723	cp = saturateInt64 (cp % (double) val);
724	cp++;
725	}
726	}
727	}
728	break;
729	}
730	System.Threading.Interlocked.Decrement(ref workerCount);
731	};
732	#endregion
733
734	#region work distribution
735	int i = 0, workItemCount = Settings.s_maxNumberThreads, workItemLength;
736	if (Settings.s_maxNumberThreads > 1 && outDims.NumberOfElements >= Settings.s_minParallelElement1Count
737	&& outDims[1] > 1) {
738	if (outDims[1] > workItemCount) {
739	workItemLength = outDims[1] / workItemCount;
740	} else {
741	workItemLength = outDims[1] / 2;
742	workItemCount = 2;
743	}
744	} else {
745	workItemLength = outDims[1];
746	workItemCount = 1;
747	}
748
749	fixed ( Int64* arrAP = arrA)
750	fixed ( Int64* arrBP = arrB)
751	fixed ( Int64* retArrP = retArr) {
752
753	for (; i < workItemCount - 1; i++) {
754	Tuple<int, IntPtr, IntPtr, IntPtr> range = new Tuple<int, IntPtr, IntPtr, IntPtr>
755	(workItemLength
756	, (IntPtr)(arrAP + i * workItemMultiplierLenA * workItemLength)
757	, (IntPtr)(arrBP + i * workItemMultiplierLenB * workItemLength)
758	, (IntPtr)(retArrP + i * outDims[0] * workItemLength));
759	System.Threading.Interlocked.Increment(ref workerCount);
760	ILThreadPool.QueueUserWorkItem(i, worker, range);
761	}
762	// the last (or may the only) chunk is done right here
763	//System.Threading.Interlocked.Increment(ref retStorage.PendingTasks);
764	worker(new Tuple<int, IntPtr, IntPtr, IntPtr>
765	(outDims[1] - i * workItemLength
766	, (IntPtr)(arrAP + i * workItemMultiplierLenA * workItemLength)
767	, (IntPtr)(arrBP + i * workItemMultiplierLenB * workItemLength)
768	, (IntPtr)(retArrP + i * outDims[0] * workItemLength)));
769
770	ILThreadPool.Wait4Workers(ref workerCount);
771	}
772	#endregion
773
774	return new ILRetArray<Int64>(retStorage);
775	//} // no scopes here! it disables implace operations
776	}
777
778	/// <summary>Modulus of array elements</summary>
779	/// <param name="A">Input array A</param>
780	/// <param name="B">Input array B</param>
781	/// <returns>New array with result of elementwise modulus operation</returns>
782	/// <remarks><para>On empty input an empty array will be returned.</para>
783	/// <para>A and/or B may be scalar. The scalar value will be applied on all elements of the
784	/// other array.</para>
785	/// <para>If A or B is a colum vector and the other parameter is an array with a matching colum length, the vector is used to operate on all columns of the array.
786	/// Similar, if one parameter is a row vector, it is used to operate along the rows of the other array if its number of columns matches the vector length. This feature
787	/// can be used to replace the (costly) repmat function for most binary operators.</para>
788	/// <para>For all other cases the dimensions of A and B must match.</para></remarks>
789	/// <exception cref="ILNumerics.Exceptions.ILArgumentException">If the size of both arrays does not match any parameter rule.</exception>
790	public unsafe static ILRetArray<Int32> mod(ILInArray<Int32> A, ILInArray<Int32> B) {
791	using (ILScope.Enter(A,B)) {
792	int outLen;
793	BinOpItMode mode;
794	Int32 [] retArr;
795	Int32 [] arrA = A.GetArrayForRead();
796	Int32[] arrB = B.GetArrayForRead();
797	ILSize outDims;
798	#region determine operation mode
799	if (A.IsScalar) {
800	outDims = B.Size;
801	if (B.IsScalar) {
802
803	return new ILRetArray<Int32> (new Int32 [1]{ saturateInt32 (A.GetValue(0) % (double) B.GetValue(0))}, A.Size);
804	} else if (B.IsEmpty) {
805	return ILRetArray<Int32>.empty(outDims);
806	} else {
807	outLen = outDims.NumberOfElements;
808	if (!B.TryGetStorage4InplaceOp(out retArr)) {
809	retArr = ILMemoryPool.Pool.New< Int32 > (outLen);
810	mode = BinOpItMode.SAN;
811	} else {
812	mode = BinOpItMode.SAI;
813	}
814	}
815	} else {
816	outDims = A.Size;
817	if (B.IsScalar) {
818	if (A.IsEmpty) {
819	return ILRetArray<Int32>.empty(A.Size);
820	}
821	outLen = A.S.NumberOfElements;
822	if (!A.TryGetStorage4InplaceOp(out retArr)) {
823	retArr = ILMemoryPool.Pool.New< Int32 > (outLen);
824	mode = BinOpItMode.ASN;
825	} else {
826	mode = BinOpItMode.ASI;
827	}
828	} else {
829	// array + array
830	if (!A.Size.IsSameSize(B.Size)) {
831	return modEx(A,B);
832	}
833	outLen = A.S.NumberOfElements;
834	if (A.TryGetStorage4InplaceOp(out retArr))
835	mode = BinOpItMode.AAIA;
836	else if (B.TryGetStorage4InplaceOp(out retArr))
837	mode = BinOpItMode.AAIB;
838	else {
839	retArr = ILMemoryPool.Pool.New< Int32 > (outLen);
840	mode = BinOpItMode.AAN;
841	}
842	}
843	}
844	#endregion
845	ILDenseStorage<Int32> retStorage = new ILDenseStorage<Int32>(retArr, outDims);
846	int i = 0, workerCount = 1;
847	Action<object> worker = data => {
848	Tuple<int, int, IntPtr, IntPtr, IntPtr, BinOpItMode> range
849	= (Tuple<int, int, IntPtr, IntPtr, IntPtr, BinOpItMode>)data;
850	Int32* cp = (Int32*)range.Item5 + range.Item1;
851	Int32 scalar;
852	int j = range.Item2;
853	#region loops
854	switch (mode) {
855	case BinOpItMode.AAIA:
856	Int32* bp = ((Int32*)range.Item4 + range.Item1);
857	while (j > 20) {
858	cp[0] = saturateInt32 (cp[0] % (double) bp[0]);
859	cp[1] = saturateInt32 (cp[1] % (double) bp[1]);
860	cp[2] = saturateInt32 (cp[2] % (double) bp[2]);
861	cp[3] = saturateInt32 (cp[3] % (double) bp[3]);
862	cp[4] = saturateInt32 (cp[4] % (double) bp[4]);
863	cp[5] = saturateInt32 (cp[5] % (double) bp[5]);
864	cp[6] = saturateInt32 (cp[6] % (double) bp[6]);
865	cp[7] = saturateInt32 (cp[7] % (double) bp[7]);
866	cp[8] = saturateInt32 (cp[8] % (double) bp[8]);
867	cp[9] = saturateInt32 (cp[9] % (double) bp[9]);
868	cp[10] = saturateInt32 (cp[10] % (double) bp[10]);
869	cp[11] = saturateInt32 (cp[11] % (double) bp[11]);
870	cp[12] = saturateInt32 (cp[12] % (double) bp[12]);
871	cp[13] = saturateInt32 (cp[13] % (double) bp[13]);
872	cp[14] = saturateInt32 (cp[14] % (double) bp[14]);
873	cp[15] = saturateInt32 (cp[15] % (double) bp[15]);
874	cp[16] = saturateInt32 (cp[16] % (double) bp[16]);
875	cp[17] = saturateInt32 (cp[17] % (double) bp[17]);
876	cp[18] = saturateInt32 (cp[18] % (double) bp[18]);
877	cp[19] = saturateInt32 (cp[19] % (double) bp[19]);
878	cp[20] = saturateInt32 (cp[20] % (double) bp[20]);
879	cp += 21; bp += 21; j -= 21;
880	}
881	while (j --> 0) {
882
883	cp = saturateInt32 (cp % (double) *bp);
884	cp++; bp++;
885	}
886	break;
887	case BinOpItMode.AAIB:
888	Int32* ap = ((Int32*)range.Item3 + range.Item1);
889	while (j > 20) {
890
891	cp[0] = saturateInt32 (ap[0] % (double) cp[0]);
892	cp[1] = saturateInt32 (ap[1] % (double) cp[1]);
893	cp[2] = saturateInt32 (ap[2] % (double) cp[2]);
894	cp[3] = saturateInt32 (ap[3] % (double) cp[3]);
895	cp[4] = saturateInt32 (ap[4] % (double) cp[4]);
896	cp[5] = saturateInt32 (ap[5] % (double) cp[5]);
897	cp[6] = saturateInt32 (ap[6] % (double) cp[6]);
898	cp[7] = saturateInt32 (ap[7] % (double) cp[7]);
899	cp[8] = saturateInt32 (ap[8] % (double) cp[8]);
900	cp[9] = saturateInt32 (ap[9] % (double) cp[9]);
901	cp[10] = saturateInt32 (ap[10] % (double) cp[10]);
902	cp[11] = saturateInt32 (ap[11] % (double) cp[11]);
903	cp[12] = saturateInt32 (ap[12] % (double) cp[12]);
904	cp[13] = saturateInt32 (ap[13] % (double) cp[13]);
905	cp[14] = saturateInt32 (ap[14] % (double) cp[14]);
906	cp[15] = saturateInt32 (ap[15] % (double) cp[15]);
907	cp[16] = saturateInt32 (ap[16] % (double) cp[16]);
908	cp[17] = saturateInt32 (ap[17] % (double) cp[17]);
909	cp[18] = saturateInt32 (ap[18] % (double) cp[18]);
910	cp[19] = saturateInt32 (ap[19] % (double) cp[19]);
911	cp[20] = saturateInt32 (ap[20] % (double) cp[20]);
912	ap += 21; cp += 21; j -= 21;
913	}
914	while (j --> 0) {
915
916	cp = saturateInt32 (ap % (double) *cp);
917	ap++; cp++;
918	}
919	break;
920	case BinOpItMode.AAN:
921	ap = ((Int32*)range.Item3 + range.Item1);
922	bp = ((Int32*)range.Item4 + range.Item1);
923	while (j > 20) {
924
925	cp[0] = saturateInt32 (ap[0] % (double) bp[0]);
926	cp[1] = saturateInt32 (ap[1] % (double) bp[1]);
927	cp[2] = saturateInt32 (ap[2] % (double) bp[2]);
928	cp[3] = saturateInt32 (ap[3] % (double) bp[3]);
929	cp[4] = saturateInt32 (ap[4] % (double) bp[4]);
930	cp[5] = saturateInt32 (ap[5] % (double) bp[5]);
931	cp[6] = saturateInt32 (ap[6] % (double) bp[6]);
932	cp[7] = saturateInt32 (ap[7] % (double) bp[7]);
933	cp[8] = saturateInt32 (ap[8] % (double) bp[8]);
934	cp[9] = saturateInt32 (ap[9] % (double) bp[9]);
935	cp[10] = saturateInt32 (ap[10] % (double) bp[10]);
936	cp[11] = saturateInt32 (ap[11] % (double) bp[11]);
937	cp[12] = saturateInt32 (ap[12] % (double) bp[12]);
938	cp[13] = saturateInt32 (ap[13] % (double) bp[13]);
939	cp[14] = saturateInt32 (ap[14] % (double) bp[14]);
940	cp[15] = saturateInt32 (ap[15] % (double) bp[15]);
941	cp[16] = saturateInt32 (ap[16] % (double) bp[16]);
942	cp[17] = saturateInt32 (ap[17] % (double) bp[17]);
943	cp[18] = saturateInt32 (ap[18] % (double) bp[18]);
944	cp[19] = saturateInt32 (ap[19] % (double) bp[19]);
945	cp[20] = saturateInt32 (ap[20] % (double) bp[20]);
946	ap+=21; bp+=21; cp+=21; j-=21;
947	}
948	while (j --> 0) {
949
950	cp = saturateInt32 (ap % (double) *bp);
951	ap++; bp++; cp++;
952	}
953	break;
954	case BinOpItMode.ASI:
955	scalar = ((Int32)range.Item4);
956	while (j > 20) {
957
958	cp[0] = saturateInt32 (cp[0] % (double) scalar);
959	cp[1] = saturateInt32 (cp[1] % (double) scalar);
960	cp[2] = saturateInt32 (cp[2] % (double) scalar);
961	cp[3] = saturateInt32 (cp[3] % (double) scalar);
962	cp[4] = saturateInt32 (cp[4] % (double) scalar);
963	cp[5] = saturateInt32 (cp[5] % (double) scalar);
964	cp[6] = saturateInt32 (cp[6] % (double) scalar);
965	cp[7] = saturateInt32 (cp[7] % (double) scalar);
966	cp[8] = saturateInt32 (cp[8] % (double) scalar);
967	cp[9] = saturateInt32 (cp[9] % (double) scalar);
968	cp[10] = saturateInt32 (cp[10] % (double) scalar);
969	cp[11] = saturateInt32 (cp[11] % (double) scalar);
970	cp[12] = saturateInt32 (cp[12] % (double) scalar);
971	cp[13] = saturateInt32 (cp[13] % (double) scalar);
972	cp[14] = saturateInt32 (cp[14] % (double) scalar);
973	cp[15] = saturateInt32 (cp[15] % (double) scalar);
974	cp[16] = saturateInt32 (cp[16] % (double) scalar);
975	cp[17] = saturateInt32 (cp[17] % (double) scalar);
976	cp[18] = saturateInt32 (cp[18] % (double) scalar);
977	cp[19] = saturateInt32 (cp[19] % (double) scalar);
978	cp[20] = saturateInt32 (cp[20] % (double) scalar);
979	cp += 21; j -= 21;
980	}
981	while (j --> 0) {
982
983	cp = saturateInt32 (cp % (double) scalar);
984	cp++;
985	}
986	break;
987	case BinOpItMode.ASN:
988	ap = ((Int32*)range.Item3 + range.Item1);
989	scalar = ((Int32)range.Item4);
990	while (j > 20) {
991
992	cp[0] = saturateInt32 (ap[0] % (double) scalar);
993	cp[1] = saturateInt32 (ap[1] % (double) scalar);
994	cp[2] = saturateInt32 (ap[2] % (double) scalar);
995	cp[3] = saturateInt32 (ap[3] % (double) scalar);
996	cp[4] = saturateInt32 (ap[4] % (double) scalar);
997	cp[5] = saturateInt32 (ap[5] % (double) scalar);
998	cp[6] = saturateInt32 (ap[6] % (double) scalar);
999	cp[7] = saturateInt32 (ap[7] % (double) scalar);
1000	cp[8] = saturateInt32 (ap[8] % (double) scalar);
1001	cp[9] = saturateInt32 (ap[9] % (double) scalar);
1002	cp[10] = saturateInt32 (ap[10] % (double) scalar);
1003	cp[11] = saturateInt32 (ap[11] % (double) scalar);
1004	cp[12] = saturateInt32 (ap[12] % (double) scalar);
1005	cp[13] = saturateInt32 (ap[13] % (double) scalar);
1006	cp[14] = saturateInt32 (ap[14] % (double) scalar);
1007	cp[15] = saturateInt32 (ap[15] % (double) scalar);
1008	cp[16] = saturateInt32 (ap[16] % (double) scalar);
1009	cp[17] = saturateInt32 (ap[17] % (double) scalar);
1010	cp[18] = saturateInt32 (ap[18] % (double) scalar);
1011	cp[19] = saturateInt32 (ap[19] % (double) scalar);
1012	cp[20] = saturateInt32 (ap[20] % (double) scalar);
1013	ap+=21; cp+=21; j -= 21;
1014	}
1015	while (j --> 0) {
1016
1017	cp = saturateInt32 (ap % (double) scalar);
1018	ap++; cp++;
1019	}
1020	break;
1021	case BinOpItMode.SAI:
1022	scalar = ((Int32)range.Item3);
1023	while (j > 20) {
1024
1025	cp[0] = saturateInt32 (scalar % (double) cp[0]);
1026	cp[1] = saturateInt32 (scalar % (double) cp[1]);
1027	cp[2] = saturateInt32 (scalar % (double) cp[2]);
1028	cp[3] = saturateInt32 (scalar % (double) cp[3]);
1029	cp[4] = saturateInt32 (scalar % (double) cp[4]);
1030	cp[5] = saturateInt32 (scalar % (double) cp[5]);
1031	cp[6] = saturateInt32 (scalar % (double) cp[6]);
1032	cp[7] = saturateInt32 (scalar % (double) cp[7]);
1033	cp[8] = saturateInt32 (scalar % (double) cp[8]);
1034	cp[9] = saturateInt32 (scalar % (double) cp[9]);
1035	cp[10] = saturateInt32 (scalar % (double) cp[10]);
1036	cp[11] = saturateInt32 (scalar % (double) cp[11]);
1037	cp[12] = saturateInt32 (scalar % (double) cp[12]);
1038	cp[13] = saturateInt32 (scalar % (double) cp[13]);
1039	cp[14] = saturateInt32 (scalar % (double) cp[14]);
1040	cp[15] = saturateInt32 (scalar % (double) cp[15]);
1041	cp[16] = saturateInt32 (scalar % (double) cp[16]);
1042	cp[17] = saturateInt32 (scalar % (double) cp[17]);
1043	cp[18] = saturateInt32 (scalar % (double) cp[18]);
1044	cp[19] = saturateInt32 (scalar % (double) cp[19]);
1045	cp[20] = saturateInt32 (scalar % (double) cp[20]);
1046	cp += 21; j -= 21;
1047	}
1048	while (j --> 0) {
1049
1050	cp = saturateInt32 (scalar % (double) cp);
1051	cp++;
1052	}
1053	break;
1054	case BinOpItMode.SAN:
1055	scalar = ((Int32)range.Item3);
1056	bp = ((Int32*)range.Item4 + range.Item1);
1057	while (j > 20) {
1058
1059	cp[0] = saturateInt32 (scalar % (double) bp[0]);
1060	cp[1] = saturateInt32 (scalar % (double) bp[1]);
1061	cp[2] = saturateInt32 (scalar % (double) bp[2]);
1062	cp[3] = saturateInt32 (scalar % (double) bp[3]);
1063	cp[4] = saturateInt32 (scalar % (double) bp[4]);
1064	cp[5] = saturateInt32 (scalar % (double) bp[5]);
1065	cp[6] = saturateInt32 (scalar % (double) bp[6]);
1066	cp[7] = saturateInt32 (scalar % (double) bp[7]);
1067	cp[8] = saturateInt32 (scalar % (double) bp[8]);
1068	cp[9] = saturateInt32 (scalar % (double) bp[9]);
1069	cp[10] = saturateInt32 (scalar % (double) bp[10]);
1070	cp[11] = saturateInt32 (scalar % (double) bp[11]);
1071	cp[12] = saturateInt32 (scalar % (double) bp[12]);
1072	cp[13] = saturateInt32 (scalar % (double) bp[13]);
1073	cp[14] = saturateInt32 (scalar % (double) bp[14]);
1074	cp[15] = saturateInt32 (scalar % (double) bp[15]);
1075	cp[16] = saturateInt32 (scalar % (double) bp[16]);
1076	cp[17] = saturateInt32 (scalar % (double) bp[17]);
1077	cp[18] = saturateInt32 (scalar % (double) bp[18]);
1078	cp[19] = saturateInt32 (scalar % (double) bp[19]);
1079	cp[20] = saturateInt32 (scalar % (double) bp[20]);
1080	bp+=21; cp+=21; j -= 21;
1081	}
1082	while (j --> 0) {
1083
1084	cp = saturateInt32 (scalar % (double) bp);
1085	bp++; cp++;
1086	}
1087	break;
1088	default:
1089	break;
1090	}
1091	#endregion
1092	System.Threading.Interlocked.Decrement(ref workerCount);
1093	//retStorage.PendingEvents.Signal();
1094	};
1095
1096	#region do the work
1097	int workItemCount = Settings.s_maxNumberThreads, workItemLength;
1098	if (Settings.s_maxNumberThreads > 1 && outLen / 2 > Settings.s_minParallelElement1Count) {
1099	if (outLen / workItemCount > Settings.s_minParallelElement1Count) {
1100	workItemLength = outLen / workItemCount;
1101	//workItemLength = (int)((double)outLen / workItemCount * 1.05);
1102	} else {
1103	workItemLength = outLen / 2;
1104	workItemCount = 2;
1105	}
1106	} else {
1107	workItemLength = outLen;
1108	workItemCount = 1;
1109	}
1110
1111	fixed ( Int32* arrAP = arrA)
1112	fixed ( Int32* arrBP = arrB)
1113	fixed ( Int32* retArrP = retArr) {
1114
1115	for (; i < workItemCount - 1; i++) {
1116	Tuple<int, int, IntPtr, IntPtr, IntPtr, BinOpItMode> range
1117	= new Tuple<int, int, IntPtr, IntPtr, IntPtr, BinOpItMode>
1118	(i * workItemLength, workItemLength, (IntPtr)arrAP, (IntPtr)arrBP, (IntPtr)retArrP, mode);
1119	System.Threading.Interlocked.Increment(ref workerCount);
1120	ILThreadPool.QueueUserWorkItem(i, worker, range);
1121	}
1122	// the last (or may the only) chunk is done right here
1123	//System.Threading.Interlocked.Increment(ref retStorage.PendingTasks);
1124	worker(new Tuple<int, int, IntPtr, IntPtr, IntPtr, BinOpItMode>
1125	(i * workItemLength, outLen - i * workItemLength, (IntPtr)arrAP, (IntPtr)arrBP, (IntPtr)retArrP, mode));
1126
1127	ILThreadPool.Wait4Workers(ref workerCount);
1128	}
1129
1130	#endregion
1131	return new ILRetArray< Int32>(retStorage);
1132	}
1133	}
1134
1135	private static unsafe ILRetArray<Int32> modEx(ILInArray<Int32> A, ILInArray<Int32> B) {
1136	//using (ILScope.Enter(A, B)) { we cannot start a new scope here, since this would prevent A and B to be used implace if applicable
1137
1138	#region parameter checking
1139	if (isnull(A) \|\| isnull(B))
1140	return empty<Int32>(ILSize.Empty00);
1141	if (A.IsEmpty) {
1142	return empty<Int32>(B.S);
1143	} else if (B.IsEmpty) {
1144	return empty<Int32>(A.S);
1145	}
1146	//if (A.IsScalar \|\| B.IsScalar \|\| A.D.IsSameSize(B.D))
1147	// return add(A,B);
1148	int dim = -1;
1149	for (int l = 0; l < Math.Max(A.S.NumberOfDimensions, B.S.NumberOfDimensions); l++) {
1150	if (A.S[l] != B.S[l]) {
1151	if (dim >= 0 \|\| (A.S[l] != 1 && B.S[l] != 1)) {
1152	throw new ILArgumentException("A and B must have the same size except for one simgleton dimension in A or B");
1153	}
1154	dim = l;
1155	}
1156	}
1157	if (dim > 1)
1158	throw new ILArgumentException("singleton dimension expansion currently is only supported for colum- and row vectors");
1159	dim = -(dim - 1); // 0 -> 1, 1 -> 0
1160	#endregion
1161
1162	#region parameter preparation
1163
1164	Int32[] retArr;
1165
1166	Int32[] arrA = A.GetArrayForRead();
1167
1168	Int32[] arrB = B.GetArrayForRead();
1169	ILSize outDims;
1170	BinOptItExMode mode;
1171	int workItemMultiplierLenA;
1172	int workItemMultiplierLenB;
1173	if (A.IsVector) {
1174	outDims = B.S;
1175	if (!B.TryGetStorage4InplaceOp(out retArr)) {
1176	retArr = ILMemoryPool.Pool.New<Int32>(outDims.NumberOfElements);
1177	mode = BinOptItExMode.VAN;
1178	} else {
1179	mode = BinOptItExMode.VAI;
1180	}
1181	workItemMultiplierLenB = outDims[0];
1182	workItemMultiplierLenA = dim; // 0 for column, 1 for row vector
1183	} else if (B.IsVector) {
1184	outDims = A.S;
1185	if (!A.TryGetStorage4InplaceOp(out retArr)) {
1186	retArr = ILMemoryPool.Pool.New<Int32>(outDims.NumberOfElements);
1187	mode = BinOptItExMode.AVN;
1188	} else {
1189	mode = BinOptItExMode.AVI;
1190	}
1191	workItemMultiplierLenB = dim; // 0 for column, 1 for row vector
1192	workItemMultiplierLenA = outDims[0];
1193	} else {
1194	throw new ILArgumentException("A and B must have the same size except for one singleton dimension in either A or B");
1195	}
1196	int itLen = outDims[0]; // (dim == 0) ? outDims.SequentialIndexDistance(1) : outDims.SequentialIndexDistance(0);
1197	#endregion
1198
1199	#region worker loops definition
1200	ILDenseStorage<Int32> retStorage = new ILDenseStorage<Int32>(retArr, outDims);
1201	int workerCount = 1;
1202	Action<object> worker = data => {
1203	// expects: iStart, iLen, ap, bp, cp
1204	Tuple<int, IntPtr, IntPtr, IntPtr> range =
1205	(Tuple<int, IntPtr, IntPtr, IntPtr>)data;
1206
1207	Int32* ap;
1208
1209	Int32* bp;
1210
1211	Int32* cp;
1212	switch (mode) {
1213	case BinOptItExMode.VAN:
1214	if (dim == 0) {
1215	bp = (Int32*)range.Item3;
1216	cp = (Int32*)range.Item4;
1217	for (int s = 0; s < range.Item1; s++) {
1218	ap = (Int32*)range.Item2;
1219	int l = itLen;
1220	while (l > 10) {
1221	cp[0] = saturateInt32 (ap[0] % (double) bp[0]);
1222	cp[1] = saturateInt32 (ap[1] % (double) bp[1]);
1223	cp[2] = saturateInt32 (ap[2] % (double) bp[2]);
1224	cp[3] = saturateInt32 (ap[3] % (double) bp[3]);
1225	cp[4] = saturateInt32 (ap[4] % (double) bp[4]);
1226	cp[5] = saturateInt32 (ap[5] % (double) bp[5]);
1227	cp[6] = saturateInt32 (ap[6] % (double) bp[6]);
1228	cp[7] = saturateInt32 (ap[7] % (double) bp[7]);
1229	cp[8] = saturateInt32 (ap[8] % (double) bp[8]);
1230	cp[9] = saturateInt32 (ap[9] % (double) bp[9]);
1231	cp[10] = saturateInt32 (ap[10] % (double) bp[10]);
1232	ap += 11;
1233	bp += 11;
1234	cp += 11;
1235	l -= 11;
1236	}
1237	while (l-- > 0) {
1238	cp++ = saturateInt32 (ap++ % (double) *bp++);
1239	}
1240	}
1241	} else {
1242	// dim == 1
1243	ap = (Int32*)range.Item2;
1244	bp = (Int32*)range.Item3;
1245	cp = (Int32*)range.Item4;
1246	for (int s = 0; s < range.Item1; s++) {
1247	Int32 val = *ap++;
1248	int l = itLen;
1249	while (l > 10) {
1250	cp[0] = saturateInt32 (val % (double) bp[0]);
1251	cp[1] = saturateInt32 (val % (double) bp[1]);
1252	cp[2] = saturateInt32 (val % (double) bp[2]);
1253	cp[3] = saturateInt32 (val % (double) bp[3]);
1254	cp[4] = saturateInt32 (val % (double) bp[4]);
1255	cp[5] = saturateInt32 (val % (double) bp[5]);
1256	cp[6] = saturateInt32 (val % (double) bp[6]);
1257	cp[7] = saturateInt32 (val % (double) bp[7]);
1258	cp[8] = saturateInt32 (val % (double) bp[8]);
1259	cp[9] = saturateInt32 (val % (double) bp[9]);
1260	cp[10] = saturateInt32 (val % (double) bp[10]);
1261	bp += 11;
1262	cp += 11;
1263	l -= 11;
1264	}
1265	while (l-- > 0) {
1266	cp++ = saturateInt32 (val % (double) bp++);
1267	}
1268	}
1269	}
1270	break;
1271	case BinOptItExMode.VAI:
1272	if (dim == 0) {
1273	cp = (Int32*)range.Item4;
1274	for (int s = 0; s < range.Item1; s++) {
1275	ap = (Int32*)range.Item2;
1276	int l = itLen;
1277	while (l > 10) {
1278	cp[0] = saturateInt32 (ap[0] % (double) cp[0]);
1279	cp[1] = saturateInt32 (ap[1] % (double) cp[1]);
1280	cp[2] = saturateInt32 (ap[2] % (double) cp[2]);
1281	cp[3] = saturateInt32 (ap[3] % (double) cp[3]);
1282	cp[4] = saturateInt32 (ap[4] % (double) cp[4]);
1283	cp[5] = saturateInt32 (ap[5] % (double) cp[5]);
1284	cp[6] = saturateInt32 (ap[6] % (double) cp[6]);
1285	cp[7] = saturateInt32 (ap[7] % (double) cp[7]);
1286	cp[8] = saturateInt32 (ap[8] % (double) cp[8]);
1287	cp[9] = saturateInt32 (ap[9] % (double) cp[9]);
1288	cp[10] = saturateInt32 (ap[10] % (double) cp[10]);
1289	ap += 11;
1290	cp += 11;
1291	l -= 11;
1292	}
1293	while (l-- > 0) {
1294	cp = saturateInt32 (ap++ % (double) *cp);
1295	cp++;
1296	}
1297	}
1298	} else {
1299	// dim == 1
1300	cp = (Int32*)range.Item4;
1301	ap = (Int32*)range.Item2;
1302	for (int s = 0; s < range.Item1; s++) {
1303
1304	Int32 val = *ap++;
1305	int l = itLen;
1306	while (l > 10) {
1307	cp[0] = saturateInt32 (val % (double) cp[0]);
1308	cp[1] = saturateInt32 (val % (double) cp[1]);
1309	cp[2] = saturateInt32 (val % (double) cp[2]);
1310	cp[3] = saturateInt32 (val % (double) cp[3]);
1311	cp[4] = saturateInt32 (val % (double) cp[4]);
1312	cp[5] = saturateInt32 (val % (double) cp[5]);
1313	cp[6] = saturateInt32 (val % (double) cp[6]);
1314	cp[7] = saturateInt32 (val % (double) cp[7]);
1315	cp[8] = saturateInt32 (val % (double) cp[8]);
1316	cp[9] = saturateInt32 (val % (double) cp[9]);
1317	cp[10] = saturateInt32 (val % (double) cp[10]);
1318	cp += 11;
1319	l -= 11;
1320	}
1321	while (l-- > 0) {
1322	cp = saturateInt32 (val % (double) cp);
1323	cp++;
1324	}
1325	}
1326	}
1327	break;
1328	case BinOptItExMode.AVN:
1329	if (dim == 0) {
1330	ap = (Int32*)range.Item2;
1331	cp = (Int32*)range.Item4;
1332	for (int s = 0; s < range.Item1; s++) {
1333	bp = (Int32*)range.Item3;
1334	int l = itLen;
1335	while (l > 10) {
1336	cp[0] = saturateInt32 (ap[0] % (double) bp[0]);
1337	cp[1] = saturateInt32 (ap[1] % (double) bp[1]);
1338	cp[2] = saturateInt32 (ap[2] % (double) bp[2]);
1339	cp[3] = saturateInt32 (ap[3] % (double) bp[3]);
1340	cp[4] = saturateInt32 (ap[4] % (double) bp[4]);
1341	cp[5] = saturateInt32 (ap[5] % (double) bp[5]);
1342	cp[6] = saturateInt32 (ap[6] % (double) bp[6]);
1343	cp[7] = saturateInt32 (ap[7] % (double) bp[7]);
1344	cp[8] = saturateInt32 (ap[8] % (double) bp[8]);
1345	cp[9] = saturateInt32 (ap[9] % (double) bp[9]);
1346	cp[10] = saturateInt32 (ap[10] % (double) bp[10]);
1347	ap += 11;
1348	bp += 11;
1349	cp += 11;
1350	l -= 11;
1351	}
1352	while (l-- > 0) {
1353	cp = saturateInt32 (ap % (double) *bp);
1354	ap++;
1355	bp++;
1356	cp++;
1357	}
1358	}
1359	} else {
1360	// dim = 1
1361	ap = (Int32*)range.Item2;
1362	bp = (Int32*)range.Item3;
1363	cp = (Int32*)range.Item4;
1364	for (int s = 0; s < range.Item1; s++) {
1365	Int32 val = *bp++;
1366	int l = itLen;
1367	while (l > 10) {
1368	cp[0] = saturateInt32 (ap[0] % (double) val);
1369	cp[1] = saturateInt32 (ap[1] % (double) val);
1370	cp[2] = saturateInt32 (ap[2] % (double) val);
1371	cp[3] = saturateInt32 (ap[3] % (double) val);
1372	cp[4] = saturateInt32 (ap[4] % (double) val);
1373	cp[5] = saturateInt32 (ap[5] % (double) val);
1374	cp[6] = saturateInt32 (ap[6] % (double) val);
1375	cp[7] = saturateInt32 (ap[7] % (double) val);
1376	cp[8] = saturateInt32 (ap[8] % (double) val);
1377	cp[9] = saturateInt32 (ap[9] % (double) val);
1378	cp[10] = saturateInt32 (ap[10] % (double) val);
1379	ap += 11;
1380	cp += 11;
1381	l -= 11;
1382	}
1383	while (l-- > 0) {
1384	cp = saturateInt32 (ap % (double) val);
1385	ap++;
1386	cp++;
1387	}
1388	}
1389	}
1390	break;
1391	case BinOptItExMode.AVI:
1392	if (dim == 0) {
1393	cp = (Int32*)range.Item4;
1394	for (int s = 0; s < range.Item1; s++) {
1395	bp = (Int32*)range.Item3;
1396	int l = itLen;
1397	while (l > 10) {
1398	cp[0] = saturateInt32 (cp[0] % (double) bp[0]);
1399	cp[1] = saturateInt32 (cp[1] % (double) bp[1]);
1400	cp[2] = saturateInt32 (cp[2] % (double) bp[2]);
1401	cp[3] = saturateInt32 (cp[3] % (double) bp[3]);
1402	cp[4] = saturateInt32 (cp[4] % (double) bp[4]);
1403	cp[5] = saturateInt32 (cp[5] % (double) bp[5]);
1404	cp[6] = saturateInt32 (cp[6] % (double) bp[6]);
1405	cp[7] = saturateInt32 (cp[7] % (double) bp[7]);
1406	cp[8] = saturateInt32 (cp[8] % (double) bp[8]);
1407	cp[9] = saturateInt32 (cp[9] % (double) bp[9]);
1408	cp[10] = saturateInt32 (cp[10] % (double) bp[10]);
1409	bp += 11;
1410	cp += 11;
1411	l -= 11;
1412	}
1413	while (l-- > 0) {
1414	cp = saturateInt32 (cp % (double) *bp);
1415	bp++;
1416	cp++;
1417	}
1418	}
1419	} else {
1420	// dim = 1
1421	bp = (Int32*)range.Item3;
1422	cp = (Int32*)range.Item4;
1423	for (int s = 0; s < range.Item1; s++) {
1424
1425	Int32 val = *bp++;
1426	int l = itLen;
1427	while (l > 10) {
1428	cp[0] = saturateInt32 (cp[0] % (double) val);
1429	cp[1] = saturateInt32 (cp[1] % (double) val);
1430	cp[2] = saturateInt32 (cp[2] % (double) val);
1431	cp[3] = saturateInt32 (cp[3] % (double) val);
1432	cp[4] = saturateInt32 (cp[4] % (double) val);
1433	cp[5] = saturateInt32 (cp[5] % (double) val);
1434	cp[6] = saturateInt32 (cp[6] % (double) val);
1435	cp[7] = saturateInt32 (cp[7] % (double) val);
1436	cp[8] = saturateInt32 (cp[8] % (double) val);
1437	cp[9] = saturateInt32 (cp[9] % (double) val);
1438	cp[10] = saturateInt32 (cp[10] % (double) val);
1439	cp += 11;
1440	l -= 11;
1441	}
1442	while (l --> 0) {
1443	cp = saturateInt32 (cp % (double) val);
1444	cp++;
1445	}
1446	}
1447	}
1448	break;
1449	}
1450	System.Threading.Interlocked.Decrement(ref workerCount);
1451	};
1452	#endregion
1453
1454	#region work distribution
1455	int i = 0, workItemCount = Settings.s_maxNumberThreads, workItemLength;
1456	if (Settings.s_maxNumberThreads > 1 && outDims.NumberOfElements >= Settings.s_minParallelElement1Count
1457	&& outDims[1] > 1) {
1458	if (outDims[1] > workItemCount) {
1459	workItemLength = outDims[1] / workItemCount;
1460	} else {
1461	workItemLength = outDims[1] / 2;
1462	workItemCount = 2;
1463	}
1464	} else {
1465	workItemLength = outDims[1];
1466	workItemCount = 1;
1467	}
1468
1469	fixed ( Int32* arrAP = arrA)
1470	fixed ( Int32* arrBP = arrB)
1471	fixed ( Int32* retArrP = retArr) {
1472
1473	for (; i < workItemCount - 1; i++) {
1474	Tuple<int, IntPtr, IntPtr, IntPtr> range = new Tuple<int, IntPtr, IntPtr, IntPtr>
1475	(workItemLength
1476	, (IntPtr)(arrAP + i * workItemMultiplierLenA * workItemLength)
1477	, (IntPtr)(arrBP + i * workItemMultiplierLenB * workItemLength)
1478	, (IntPtr)(retArrP + i * outDims[0] * workItemLength));
1479	System.Threading.Interlocked.Increment(ref workerCount);
1480	ILThreadPool.QueueUserWorkItem(i, worker, range);
1481	}
1482	// the last (or may the only) chunk is done right here
1483	//System.Threading.Interlocked.Increment(ref retStorage.PendingTasks);
1484	worker(new Tuple<int, IntPtr, IntPtr, IntPtr>
1485	(outDims[1] - i * workItemLength
1486	, (IntPtr)(arrAP + i * workItemMultiplierLenA * workItemLength)
1487	, (IntPtr)(arrBP + i * workItemMultiplierLenB * workItemLength)
1488	, (IntPtr)(retArrP + i * outDims[0] * workItemLength)));
1489
1490	ILThreadPool.Wait4Workers(ref workerCount);
1491	}
1492	#endregion
1493
1494	return new ILRetArray<Int32>(retStorage);
1495	//} // no scopes here! it disables implace operations
1496	}
1497
1498	/// <summary>Modulus of array elements</summary>
1499	/// <param name="A">Input array A</param>
1500	/// <param name="B">Input array B</param>
1501	/// <returns>New array with result of elementwise modulus operation</returns>
1502	/// <remarks><para>On empty input an empty array will be returned.</para>
1503	/// <para>A and/or B may be scalar. The scalar value will be applied on all elements of the
1504	/// other array.</para>
1505	/// <para>If A or B is a colum vector and the other parameter is an array with a matching colum length, the vector is used to operate on all columns of the array.
1506	/// Similar, if one parameter is a row vector, it is used to operate along the rows of the other array if its number of columns matches the vector length. This feature
1507	/// can be used to replace the (costly) repmat function for most binary operators.</para>
1508	/// <para>For all other cases the dimensions of A and B must match.</para></remarks>
1509	/// <exception cref="ILNumerics.Exceptions.ILArgumentException">If the size of both arrays does not match any parameter rule.</exception>
1510	public unsafe static ILRetArray<float> mod(ILInArray<float> A, ILInArray<float> B) {
1511	using (ILScope.Enter(A,B)) {
1512	int outLen;
1513	BinOpItMode mode;
1514	float [] retArr;
1515	float [] arrA = A.GetArrayForRead();
1516	float[] arrB = B.GetArrayForRead();
1517	ILSize outDims;
1518	#region determine operation mode
1519	if (A.IsScalar) {
1520	outDims = B.Size;
1521	if (B.IsScalar) {
1522
1523	return new ILRetArray<float> (new float [1]{ (A.GetValue(0) % B.GetValue(0))}, A.Size);
1524	} else if (B.IsEmpty) {
1525	return ILRetArray<float>.empty(outDims);
1526	} else {
1527	outLen = outDims.NumberOfElements;
1528	if (!B.TryGetStorage4InplaceOp(out retArr)) {
1529	retArr = ILMemoryPool.Pool.New< float > (outLen);
1530	mode = BinOpItMode.SAN;
1531	} else {
1532	mode = BinOpItMode.SAI;
1533	}
1534	}
1535	} else {
1536	outDims = A.Size;
1537	if (B.IsScalar) {
1538	if (A.IsEmpty) {
1539	return ILRetArray<float>.empty(A.Size);
1540	}
1541	outLen = A.S.NumberOfElements;
1542	if (!A.TryGetStorage4InplaceOp(out retArr)) {
1543	retArr = ILMemoryPool.Pool.New< float > (outLen);
1544	mode = BinOpItMode.ASN;
1545	} else {
1546	mode = BinOpItMode.ASI;
1547	}
1548	} else {
1549	// array + array
1550	if (!A.Size.IsSameSize(B.Size)) {
1551	return modEx(A,B);
1552	}
1553	outLen = A.S.NumberOfElements;
1554	if (A.TryGetStorage4InplaceOp(out retArr))
1555	mode = BinOpItMode.AAIA;
1556	else if (B.TryGetStorage4InplaceOp(out retArr))
1557	mode = BinOpItMode.AAIB;
1558	else {
1559	retArr = ILMemoryPool.Pool.New< float > (outLen);
1560	mode = BinOpItMode.AAN;
1561	}
1562	}
1563	}
1564	#endregion
1565	ILDenseStorage<float> retStorage = new ILDenseStorage<float>(retArr, outDims);
1566	int i = 0, workerCount = 1;
1567	Action<object> worker = data => {
1568	Tuple<int, int, IntPtr, IntPtr, IntPtr, BinOpItMode> range
1569	= (Tuple<int, int, IntPtr, IntPtr, IntPtr, BinOpItMode>)data;
1570	float* cp = (float*)range.Item5 + range.Item1;
1571	float scalar;
1572	int j = range.Item2;
1573	#region loops
1574	switch (mode) {
1575	case BinOpItMode.AAIA:
1576	float* bp = ((float*)range.Item4 + range.Item1);
1577	while (j > 20) {
1578	cp[0] = (cp[0] % bp[0]);
1579	cp[1] = (cp[1] % bp[1]);
1580	cp[2] = (cp[2] % bp[2]);
1581	cp[3] = (cp[3] % bp[3]);
1582	cp[4] = (cp[4] % bp[4]);
1583	cp[5] = (cp[5] % bp[5]);
1584	cp[6] = (cp[6] % bp[6]);
1585	cp[7] = (cp[7] % bp[7]);
1586	cp[8] = (cp[8] % bp[8]);
1587	cp[9] = (cp[9] % bp[9]);
1588	cp[10] = (cp[10] % bp[10]);
1589	cp[11] = (cp[11] % bp[11]);
1590	cp[12] = (cp[12] % bp[12]);
1591	cp[13] = (cp[13] % bp[13]);
1592	cp[14] = (cp[14] % bp[14]);
1593	cp[15] = (cp[15] % bp[15]);
1594	cp[16] = (cp[16] % bp[16]);
1595	cp[17] = (cp[17] % bp[17]);
1596	cp[18] = (cp[18] % bp[18]);
1597	cp[19] = (cp[19] % bp[19]);
1598	cp[20] = (cp[20] % bp[20]);
1599	cp += 21; bp += 21; j -= 21;
1600	}
1601	while (j --> 0) {
1602
1603	cp = (cp % *bp);
1604	cp++; bp++;
1605	}
1606	break;
1607	case BinOpItMode.AAIB:
1608	float* ap = ((float*)range.Item3 + range.Item1);
1609	while (j > 20) {
1610
1611	cp[0] = (ap[0] % cp[0]);
1612	cp[1] = (ap[1] % cp[1]);
1613	cp[2] = (ap[2] % cp[2]);
1614	cp[3] = (ap[3] % cp[3]);
1615	cp[4] = (ap[4] % cp[4]);
1616	cp[5] = (ap[5] % cp[5]);
1617	cp[6] = (ap[6] % cp[6]);
1618	cp[7] = (ap[7] % cp[7]);
1619	cp[8] = (ap[8] % cp[8]);
1620	cp[9] = (ap[9] % cp[9]);
1621	cp[10] = (ap[10] % cp[10]);
1622	cp[11] = (ap[11] % cp[11]);
1623	cp[12] = (ap[12] % cp[12]);
1624	cp[13] = (ap[13] % cp[13]);
1625	cp[14] = (ap[14] % cp[14]);
1626	cp[15] = (ap[15] % cp[15]);
1627	cp[16] = (ap[16] % cp[16]);
1628	cp[17] = (ap[17] % cp[17]);
1629	cp[18] = (ap[18] % cp[18]);
1630	cp[19] = (ap[19] % cp[19]);
1631	cp[20] = (ap[20] % cp[20]);
1632	ap += 21; cp += 21; j -= 21;
1633	}
1634	while (j --> 0) {
1635
1636	cp = (ap % *cp);
1637	ap++; cp++;
1638	}
1639	break;
1640	case BinOpItMode.AAN:
1641	ap = ((float*)range.Item3 + range.Item1);
1642	bp = ((float*)range.Item4 + range.Item1);
1643	while (j > 20) {
1644
1645	cp[0] = (ap[0] % bp[0]);
1646	cp[1] = (ap[1] % bp[1]);
1647	cp[2] = (ap[2] % bp[2]);
1648	cp[3] = (ap[3] % bp[3]);
1649	cp[4] = (ap[4] % bp[4]);
1650	cp[5] = (ap[5] % bp[5]);
1651	cp[6] = (ap[6] % bp[6]);
1652	cp[7] = (ap[7] % bp[7]);
1653	cp[8] = (ap[8] % bp[8]);
1654	cp[9] = (ap[9] % bp[9]);
1655	cp[10] = (ap[10] % bp[10]);
1656	cp[11] = (ap[11] % bp[11]);
1657	cp[12] = (ap[12] % bp[12]);
1658	cp[13] = (ap[13] % bp[13]);
1659	cp[14] = (ap[14] % bp[14]);
1660	cp[15] = (ap[15] % bp[15]);
1661	cp[16] = (ap[16] % bp[16]);
1662	cp[17] = (ap[17] % bp[17]);
1663	cp[18] = (ap[18] % bp[18]);
1664	cp[19] = (ap[19] % bp[19]);
1665	cp[20] = (ap[20] % bp[20]);
1666	ap+=21; bp+=21; cp+=21; j-=21;
1667	}
1668	while (j --> 0) {
1669
1670	cp = (ap % *bp);
1671	ap++; bp++; cp++;
1672	}
1673	break;
1674	case BinOpItMode.ASI:
1675	scalar = ((float)range.Item4);
1676	while (j > 20) {
1677
1678	cp[0] = (cp[0] % scalar);
1679	cp[1] = (cp[1] % scalar);
1680	cp[2] = (cp[2] % scalar);
1681	cp[3] = (cp[3] % scalar);
1682	cp[4] = (cp[4] % scalar);
1683	cp[5] = (cp[5] % scalar);
1684	cp[6] = (cp[6] % scalar);
1685	cp[7] = (cp[7] % scalar);
1686	cp[8] = (cp[8] % scalar);
1687	cp[9] = (cp[9] % scalar);
1688	cp[10] = (cp[10] % scalar);
1689	cp[11] = (cp[11] % scalar);
1690	cp[12] = (cp[12] % scalar);
1691	cp[13] = (cp[13] % scalar);
1692	cp[14] = (cp[14] % scalar);
1693	cp[15] = (cp[15] % scalar);
1694	cp[16] = (cp[16] % scalar);
1695	cp[17] = (cp[17] % scalar);
1696	cp[18] = (cp[18] % scalar);
1697	cp[19] = (cp[19] % scalar);
1698	cp[20] = (cp[20] % scalar);
1699	cp += 21; j -= 21;
1700	}
1701	while (j --> 0) {
1702
1703	cp = (cp % scalar);
1704	cp++;
1705	}
1706	break;
1707	case BinOpItMode.ASN:
1708	ap = ((float*)range.Item3 + range.Item1);
1709	scalar = ((float)range.Item4);
1710	while (j > 20) {
1711
1712	cp[0] = (ap[0] % scalar);
1713	cp[1] = (ap[1] % scalar);
1714	cp[2] = (ap[2] % scalar);
1715	cp[3] = (ap[3] % scalar);
1716	cp[4] = (ap[4] % scalar);
1717	cp[5] = (ap[5] % scalar);
1718	cp[6] = (ap[6] % scalar);
1719	cp[7] = (ap[7] % scalar);
1720	cp[8] = (ap[8] % scalar);
1721	cp[9] = (ap[9] % scalar);
1722	cp[10] = (ap[10] % scalar);
1723	cp[11] = (ap[11] % scalar);
1724	cp[12] = (ap[12] % scalar);
1725	cp[13] = (ap[13] % scalar);
1726	cp[14] = (ap[14] % scalar);
1727	cp[15] = (ap[15] % scalar);
1728	cp[16] = (ap[16] % scalar);
1729	cp[17] = (ap[17] % scalar);
1730	cp[18] = (ap[18] % scalar);
1731	cp[19] = (ap[19] % scalar);
1732	cp[20] = (ap[20] % scalar);
1733	ap+=21; cp+=21; j -= 21;
1734	}
1735	while (j --> 0) {
1736
1737	cp = (ap % scalar);
1738	ap++; cp++;
1739	}
1740	break;
1741	case BinOpItMode.SAI:
1742	scalar = ((float)range.Item3);
1743	while (j > 20) {
1744
1745	cp[0] = (scalar % cp[0]);
1746	cp[1] = (scalar % cp[1]);
1747	cp[2] = (scalar % cp[2]);
1748	cp[3] = (scalar % cp[3]);
1749	cp[4] = (scalar % cp[4]);
1750	cp[5] = (scalar % cp[5]);
1751	cp[6] = (scalar % cp[6]);
1752	cp[7] = (scalar % cp[7]);
1753	cp[8] = (scalar % cp[8]);
1754	cp[9] = (scalar % cp[9]);
1755	cp[10] = (scalar % cp[10]);
1756	cp[11] = (scalar % cp[11]);
1757	cp[12] = (scalar % cp[12]);
1758	cp[13] = (scalar % cp[13]);
1759	cp[14] = (scalar % cp[14]);
1760	cp[15] = (scalar % cp[15]);
1761	cp[16] = (scalar % cp[16]);
1762	cp[17] = (scalar % cp[17]);
1763	cp[18] = (scalar % cp[18]);
1764	cp[19] = (scalar % cp[19]);
1765	cp[20] = (scalar % cp[20]);
1766	cp += 21; j -= 21;
1767	}
1768	while (j --> 0) {
1769
1770	cp = (scalar % cp);
1771	cp++;
1772	}
1773	break;
1774	case BinOpItMode.SAN:
1775	scalar = ((float)range.Item3);
1776	bp = ((float*)range.Item4 + range.Item1);
1777	while (j > 20) {
1778
1779	cp[0] = (scalar % bp[0]);
1780	cp[1] = (scalar % bp[1]);
1781	cp[2] = (scalar % bp[2]);
1782	cp[3] = (scalar % bp[3]);
1783	cp[4] = (scalar % bp[4]);
1784	cp[5] = (scalar % bp[5]);
1785	cp[6] = (scalar % bp[6]);
1786	cp[7] = (scalar % bp[7]);
1787	cp[8] = (scalar % bp[8]);
1788	cp[9] = (scalar % bp[9]);
1789	cp[10] = (scalar % bp[10]);
1790	cp[11] = (scalar % bp[11]);
1791	cp[12] = (scalar % bp[12]);
1792	cp[13] = (scalar % bp[13]);
1793	cp[14] = (scalar % bp[14]);
1794	cp[15] = (scalar % bp[15]);
1795	cp[16] = (scalar % bp[16]);
1796	cp[17] = (scalar % bp[17]);
1797	cp[18] = (scalar % bp[18]);
1798	cp[19] = (scalar % bp[19]);
1799	cp[20] = (scalar % bp[20]);
1800	bp+=21; cp+=21; j -= 21;
1801	}
1802	while (j --> 0) {
1803
1804	cp = (scalar % bp);
1805	bp++; cp++;
1806	}
1807	break;
1808	default:
1809	break;
1810	}
1811	#endregion
1812	System.Threading.Interlocked.Decrement(ref workerCount);
1813	//retStorage.PendingEvents.Signal();
1814	};
1815
1816	#region do the work
1817	int workItemCount = Settings.s_maxNumberThreads, workItemLength;
1818	if (Settings.s_maxNumberThreads > 1 && outLen / 2 > Settings.s_minParallelElement1Count) {
1819	if (outLen / workItemCount > Settings.s_minParallelElement1Count) {
1820	workItemLength = outLen / workItemCount;
1821	//workItemLength = (int)((double)outLen / workItemCount * 1.05);
1822	} else {
1823	workItemLength = outLen / 2;
1824	workItemCount = 2;
1825	}
1826	} else {
1827	workItemLength = outLen;
1828	workItemCount = 1;
1829	}
1830
1831	fixed ( float* arrAP = arrA)
1832	fixed ( float* arrBP = arrB)
1833	fixed ( float* retArrP = retArr) {
1834
1835	for (; i < workItemCount - 1; i++) {
1836	Tuple<int, int, IntPtr, IntPtr, IntPtr, BinOpItMode> range
1837	= new Tuple<int, int, IntPtr, IntPtr, IntPtr, BinOpItMode>
1838	(i * workItemLength, workItemLength, (IntPtr)arrAP, (IntPtr)arrBP, (IntPtr)retArrP, mode);
1839	System.Threading.Interlocked.Increment(ref workerCount);
1840	ILThreadPool.QueueUserWorkItem(i, worker, range);
1841	}
1842	// the last (or may the only) chunk is done right here
1843	//System.Threading.Interlocked.Increment(ref retStorage.PendingTasks);
1844	worker(new Tuple<int, int, IntPtr, IntPtr, IntPtr, BinOpItMode>
1845	(i * workItemLength, outLen - i * workItemLength, (IntPtr)arrAP, (IntPtr)arrBP, (IntPtr)retArrP, mode));
1846
1847	ILThreadPool.Wait4Workers(ref workerCount);
1848	}
1849
1850	#endregion
1851	return new ILRetArray< float>(retStorage);
1852	}
1853	}
1854
1855	private static unsafe ILRetArray<float> modEx(ILInArray<float> A, ILInArray<float> B) {
1856	//using (ILScope.Enter(A, B)) { we cannot start a new scope here, since this would prevent A and B to be used implace if applicable
1857
1858	#region parameter checking
1859	if (isnull(A) \|\| isnull(B))
1860	return empty<float>(ILSize.Empty00);
1861	if (A.IsEmpty) {
1862	return empty<float>(B.S);
1863	} else if (B.IsEmpty) {
1864	return empty<float>(A.S);
1865	}
1866	//if (A.IsScalar \|\| B.IsScalar \|\| A.D.IsSameSize(B.D))
1867	// return add(A,B);
1868	int dim = -1;
1869	for (int l = 0; l < Math.Max(A.S.NumberOfDimensions, B.S.NumberOfDimensions); l++) {
1870	if (A.S[l] != B.S[l]) {
1871	if (dim >= 0 \|\| (A.S[l] != 1 && B.S[l] != 1)) {
1872	throw new ILArgumentException("A and B must have the same size except for one simgleton dimension in A or B");
1873	}
1874	dim = l;
1875	}
1876	}
1877	if (dim > 1)
1878	throw new ILArgumentException("singleton dimension expansion currently is only supported for colum- and row vectors");
1879	dim = -(dim - 1); // 0 -> 1, 1 -> 0
1880	#endregion
1881
1882	#region parameter preparation
1883
1884	float[] retArr;
1885
1886	float[] arrA = A.GetArrayForRead();
1887
1888	float[] arrB = B.GetArrayForRead();
1889	ILSize outDims;
1890	BinOptItExMode mode;
1891	int workItemMultiplierLenA;
1892	int workItemMultiplierLenB;
1893	if (A.IsVector) {
1894	outDims = B.S;
1895	if (!B.TryGetStorage4InplaceOp(out retArr)) {
1896	retArr = ILMemoryPool.Pool.New<float>(outDims.NumberOfElements);
1897	mode = BinOptItExMode.VAN;
1898	} else {
1899	mode = BinOptItExMode.VAI;
1900	}
1901	workItemMultiplierLenB = outDims[0];
1902	workItemMultiplierLenA = dim; // 0 for column, 1 for row vector
1903	} else if (B.IsVector) {
1904	outDims = A.S;
1905	if (!A.TryGetStorage4InplaceOp(out retArr)) {
1906	retArr = ILMemoryPool.Pool.New<float>(outDims.NumberOfElements);
1907	mode = BinOptItExMode.AVN;
1908	} else {
1909	mode = BinOptItExMode.AVI;
1910	}
1911	workItemMultiplierLenB = dim; // 0 for column, 1 for row vector
1912	workItemMultiplierLenA = outDims[0];
1913	} else {
1914	throw new ILArgumentException("A and B must have the same size except for one singleton dimension in either A or B");
1915	}
1916	int itLen = outDims[0]; // (dim == 0) ? outDims.SequentialIndexDistance(1) : outDims.SequentialIndexDistance(0);
1917	#endregion
1918
1919	#region worker loops definition
1920	ILDenseStorage<float> retStorage = new ILDenseStorage<float>(retArr, outDims);
1921	int workerCount = 1;
1922	Action<object> worker = data => {
1923	// expects: iStart, iLen, ap, bp, cp
1924	Tuple<int, IntPtr, IntPtr, IntPtr> range =
1925	(Tuple<int, IntPtr, IntPtr, IntPtr>)data;
1926
1927	float* ap;
1928
1929	float* bp;
1930
1931	float* cp;
1932	switch (mode) {
1933	case BinOptItExMode.VAN:
1934	if (dim == 0) {
1935	bp = (float*)range.Item3;
1936	cp = (float*)range.Item4;
1937	for (int s = 0; s < range.Item1; s++) {
1938	ap = (float*)range.Item2;
1939	int l = itLen;
1940	while (l > 10) {
1941	cp[0] = (ap[0] % bp[0]);
1942	cp[1] = (ap[1] % bp[1]);
1943	cp[2] = (ap[2] % bp[2]);
1944	cp[3] = (ap[3] % bp[3]);
1945	cp[4] = (ap[4] % bp[4]);
1946	cp[5] = (ap[5] % bp[5]);
1947	cp[6] = (ap[6] % bp[6]);
1948	cp[7] = (ap[7] % bp[7]);
1949	cp[8] = (ap[8] % bp[8]);
1950	cp[9] = (ap[9] % bp[9]);
1951	cp[10] = (ap[10] % bp[10]);
1952	ap += 11;
1953	bp += 11;
1954	cp += 11;
1955	l -= 11;
1956	}
1957	while (l-- > 0) {
1958	cp++ = (ap++ % *bp++);
1959	}
1960	}
1961	} else {
1962	// dim == 1
1963	ap = (float*)range.Item2;
1964	bp = (float*)range.Item3;
1965	cp = (float*)range.Item4;
1966	for (int s = 0; s < range.Item1; s++) {
1967	float val = *ap++;
1968	int l = itLen;
1969	while (l > 10) {
1970	cp[0] = (val % bp[0]);
1971	cp[1] = (val % bp[1]);
1972	cp[2] = (val % bp[2]);
1973	cp[3] = (val % bp[3]);
1974	cp[4] = (val % bp[4]);
1975	cp[5] = (val % bp[5]);
1976	cp[6] = (val % bp[6]);
1977	cp[7] = (val % bp[7]);
1978	cp[8] = (val % bp[8]);
1979	cp[9] = (val % bp[9]);
1980	cp[10] = (val % bp[10]);
1981	bp += 11;
1982	cp += 11;
1983	l -= 11;
1984	}
1985	while (l-- > 0) {
1986	cp++ = (val % bp++);
1987	}
1988	}
1989	}
1990	break;
1991	case BinOptItExMode.VAI:
1992	if (dim == 0) {
1993	cp = (float*)range.Item4;
1994	for (int s = 0; s < range.Item1; s++) {
1995	ap = (float*)range.Item2;
1996	int l = itLen;
1997	while (l > 10) {
1998	cp[0] = (ap[0] % cp[0]);
1999	cp[1] = (ap[1] % cp[1]);
2000	cp[2] = (ap[2] % cp[2]);
2001	cp[3] = (ap[3] % cp[3]);
2002	cp[4] = (ap[4] % cp[4]);
2003	cp[5] = (ap[5] % cp[5]);
2004	cp[6] = (ap[6] % cp[6]);
2005	cp[7] = (ap[7] % cp[7]);
2006	cp[8] = (ap[8] % cp[8]);
2007	cp[9] = (ap[9] % cp[9]);
2008	cp[10] = (ap[10] % cp[10]);
2009	ap += 11;
2010	cp += 11;
2011	l -= 11;
2012	}
2013	while (l-- > 0) {
2014	cp = (ap++ % *cp);
2015	cp++;
2016	}
2017	}
2018	} else {
2019	// dim == 1
2020	cp = (float*)range.Item4;
2021	ap = (float*)range.Item2;
2022	for (int s = 0; s < range.Item1; s++) {
2023
2024	float val = *ap++;
2025	int l = itLen;
2026	while (l > 10) {
2027	cp[0] = (val % cp[0]);
2028	cp[1] = (val % cp[1]);
2029	cp[2] = (val % cp[2]);
2030	cp[3] = (val % cp[3]);
2031	cp[4] = (val % cp[4]);
2032	cp[5] = (val % cp[5]);
2033	cp[6] = (val % cp[6]);
2034	cp[7] = (val % cp[7]);
2035	cp[8] = (val % cp[8]);
2036	cp[9] = (val % cp[9]);
2037	cp[10] = (val % cp[10]);
2038	cp += 11;
2039	l -= 11;
2040	}
2041	while (l-- > 0) {
2042	cp = (val % cp);
2043	cp++;
2044	}
2045	}
2046	}
2047	break;
2048	case BinOptItExMode.AVN:
2049	if (dim == 0) {
2050	ap = (float*)range.Item2;
2051	cp = (float*)range.Item4;
2052	for (int s = 0; s < range.Item1; s++) {
2053	bp = (float*)range.Item3;
2054	int l = itLen;
2055	while (l > 10) {
2056	cp[0] = (ap[0] % bp[0]);
2057	cp[1] = (ap[1] % bp[1]);
2058	cp[2] = (ap[2] % bp[2]);
2059	cp[3] = (ap[3] % bp[3]);
2060	cp[4] = (ap[4] % bp[4]);
2061	cp[5] = (ap[5] % bp[5]);
2062	cp[6] = (ap[6] % bp[6]);
2063	cp[7] = (ap[7] % bp[7]);
2064	cp[8] = (ap[8] % bp[8]);
2065	cp[9] = (ap[9] % bp[9]);
2066	cp[10] = (ap[10] % bp[10]);
2067	ap += 11;
2068	bp += 11;
2069	cp += 11;
2070	l -= 11;
2071	}
2072	while (l-- > 0) {
2073	cp = (ap % *bp);
2074	ap++;
2075	bp++;
2076	cp++;
2077	}
2078	}
2079	} else {
2080	// dim = 1
2081	ap = (float*)range.Item2;
2082	bp = (float*)range.Item3;
2083	cp = (float*)range.Item4;
2084	for (int s = 0; s < range.Item1; s++) {
2085	float val = *bp++;
2086	int l = itLen;
2087	while (l > 10) {
2088	cp[0] = (ap[0] % val);
2089	cp[1] = (ap[1] % val);
2090	cp[2] = (ap[2] % val);
2091	cp[3] = (ap[3] % val);
2092	cp[4] = (ap[4] % val);
2093	cp[5] = (ap[5] % val);
2094	cp[6] = (ap[6] % val);
2095	cp[7] = (ap[7] % val);
2096	cp[8] = (ap[8] % val);
2097	cp[9] = (ap[9] % val);
2098	cp[10] = (ap[10] % val);
2099	ap += 11;
2100	cp += 11;
2101	l -= 11;
2102	}
2103	while (l-- > 0) {
2104	cp = (ap % val);
2105	ap++;
2106	cp++;
2107	}
2108	}
2109	}
2110	break;
2111	case BinOptItExMode.AVI:
2112	if (dim == 0) {
2113	cp = (float*)range.Item4;
2114	for (int s = 0; s < range.Item1; s++) {
2115	bp = (float*)range.Item3;
2116	int l = itLen;
2117	while (l > 10) {
2118	cp[0] = (cp[0] % bp[0]);
2119	cp[1] = (cp[1] % bp[1]);
2120	cp[2] = (cp[2] % bp[2]);
2121	cp[3] = (cp[3] % bp[3]);
2122	cp[4] = (cp[4] % bp[4]);
2123	cp[5] = (cp[5] % bp[5]);
2124	cp[6] = (cp[6] % bp[6]);
2125	cp[7] = (cp[7] % bp[7]);
2126	cp[8] = (cp[8] % bp[8]);
2127	cp[9] = (cp[9] % bp[9]);
2128	cp[10] = (cp[10] % bp[10]);
2129	bp += 11;
2130	cp += 11;
2131	l -= 11;
2132	}
2133	while (l-- > 0) {
2134	cp = (cp % *bp);
2135	bp++;
2136	cp++;
2137	}
2138	}
2139	} else {
2140	// dim = 1
2141	bp = (float*)range.Item3;
2142	cp = (float*)range.Item4;
2143	for (int s = 0; s < range.Item1; s++) {
2144
2145	float val = *bp++;
2146	int l = itLen;
2147	while (l > 10) {
2148	cp[0] = (cp[0] % val);
2149	cp[1] = (cp[1] % val);
2150	cp[2] = (cp[2] % val);
2151	cp[3] = (cp[3] % val);
2152	cp[4] = (cp[4] % val);
2153	cp[5] = (cp[5] % val);
2154	cp[6] = (cp[6] % val);
2155	cp[7] = (cp[7] % val);
2156	cp[8] = (cp[8] % val);
2157	cp[9] = (cp[9] % val);
2158	cp[10] = (cp[10] % val);
2159	cp += 11;
2160	l -= 11;
2161	}
2162	while (l --> 0) {
2163	cp = (cp % val);
2164	cp++;
2165	}
2166	}
2167	}
2168	break;
2169	}
2170	System.Threading.Interlocked.Decrement(ref workerCount);
2171	};
2172	#endregion
2173
2174	#region work distribution
2175	int i = 0, workItemCount = Settings.s_maxNumberThreads, workItemLength;
2176	if (Settings.s_maxNumberThreads > 1 && outDims.NumberOfElements >= Settings.s_minParallelElement1Count
2177	&& outDims[1] > 1) {
2178	if (outDims[1] > workItemCount) {
2179	workItemLength = outDims[1] / workItemCount;
2180	} else {
2181	workItemLength = outDims[1] / 2;
2182	workItemCount = 2;
2183	}
2184	} else {
2185	workItemLength = outDims[1];
2186	workItemCount = 1;
2187	}
2188
2189	fixed ( float* arrAP = arrA)
2190	fixed ( float* arrBP = arrB)
2191	fixed ( float* retArrP = retArr) {
2192
2193	for (; i < workItemCount - 1; i++) {
2194	Tuple<int, IntPtr, IntPtr, IntPtr> range = new Tuple<int, IntPtr, IntPtr, IntPtr>
2195	(workItemLength
2196	, (IntPtr)(arrAP + i * workItemMultiplierLenA * workItemLength)
2197	, (IntPtr)(arrBP + i * workItemMultiplierLenB * workItemLength)
2198	, (IntPtr)(retArrP + i * outDims[0] * workItemLength));
2199	System.Threading.Interlocked.Increment(ref workerCount);
2200	ILThreadPool.QueueUserWorkItem(i, worker, range);
2201	}
2202	// the last (or may the only) chunk is done right here
2203	//System.Threading.Interlocked.Increment(ref retStorage.PendingTasks);
2204	worker(new Tuple<int, IntPtr, IntPtr, IntPtr>
2205	(outDims[1] - i * workItemLength
2206	, (IntPtr)(arrAP + i * workItemMultiplierLenA * workItemLength)
2207	, (IntPtr)(arrBP + i * workItemMultiplierLenB * workItemLength)
2208	, (IntPtr)(retArrP + i * outDims[0] * workItemLength)));
2209
2210	ILThreadPool.Wait4Workers(ref workerCount);
2211	}
2212	#endregion
2213
2214	return new ILRetArray<float>(retStorage);
2215	//} // no scopes here! it disables implace operations
2216	}
2217
2218	/// <summary>Modulus of array elements</summary>
2219	/// <param name="A">Input array A</param>
2220	/// <param name="B">Input array B</param>
2221	/// <returns>New array with result of elementwise modulus operation</returns>
2222	/// <remarks><para>On empty input an empty array will be returned.</para>
2223	/// <para>A and/or B may be scalar. The scalar value will be applied on all elements of the
2224	/// other array.</para>
2225	/// <para>If A or B is a colum vector and the other parameter is an array with a matching colum length, the vector is used to operate on all columns of the array.
2226	/// Similar, if one parameter is a row vector, it is used to operate along the rows of the other array if its number of columns matches the vector length. This feature
2227	/// can be used to replace the (costly) repmat function for most binary operators.</para>
2228	/// <para>For all other cases the dimensions of A and B must match.</para></remarks>
2229	/// <exception cref="ILNumerics.Exceptions.ILArgumentException">If the size of both arrays does not match any parameter rule.</exception>
2230	public unsafe static ILRetArray<byte> mod(ILInArray<byte> A, ILInArray<byte> B) {
2231	using (ILScope.Enter(A,B)) {
2232	int outLen;
2233	BinOpItMode mode;
2234	byte [] retArr;
2235	byte [] arrA = A.GetArrayForRead();
2236	byte[] arrB = B.GetArrayForRead();
2237	ILSize outDims;
2238	#region determine operation mode
2239	if (A.IsScalar) {
2240	outDims = B.Size;
2241	if (B.IsScalar) {
2242
2243	return new ILRetArray<byte> (new byte [1]{ saturateByte (A.GetValue(0) % (double) B.GetValue(0))}, A.Size);
2244	} else if (B.IsEmpty) {
2245	return ILRetArray<byte>.empty(outDims);
2246	} else {
2247	outLen = outDims.NumberOfElements;
2248	if (!B.TryGetStorage4InplaceOp(out retArr)) {
2249	retArr = ILMemoryPool.Pool.New< byte > (outLen);
2250	mode = BinOpItMode.SAN;
2251	} else {
2252	mode = BinOpItMode.SAI;
2253	}
2254	}
2255	} else {
2256	outDims = A.Size;
2257	if (B.IsScalar) {
2258	if (A.IsEmpty) {
2259	return ILRetArray<byte>.empty(A.Size);
2260	}
2261	outLen = A.S.NumberOfElements;
2262	if (!A.TryGetStorage4InplaceOp(out retArr)) {
2263	retArr = ILMemoryPool.Pool.New< byte > (outLen);
2264	mode = BinOpItMode.ASN;
2265	} else {
2266	mode = BinOpItMode.ASI;
2267	}
2268	} else {
2269	// array + array
2270	if (!A.Size.IsSameSize(B.Size)) {
2271	return modEx(A,B);
2272	}
2273	outLen = A.S.NumberOfElements;
2274	if (A.TryGetStorage4InplaceOp(out retArr))
2275	mode = BinOpItMode.AAIA;
2276	else if (B.TryGetStorage4InplaceOp(out retArr))
2277	mode = BinOpItMode.AAIB;
2278	else {
2279	retArr = ILMemoryPool.Pool.New< byte > (outLen);
2280	mode = BinOpItMode.AAN;
2281	}
2282	}
2283	}
2284	#endregion
2285	ILDenseStorage<byte> retStorage = new ILDenseStorage<byte>(retArr, outDims);
2286	int i = 0, workerCount = 1;
2287	Action<object> worker = data => {
2288	Tuple<int, int, IntPtr, IntPtr, IntPtr, BinOpItMode> range
2289	= (Tuple<int, int, IntPtr, IntPtr, IntPtr, BinOpItMode>)data;
2290	byte* cp = (byte*)range.Item5 + range.Item1;
2291	byte scalar;
2292	int j = range.Item2;
2293	#region loops
2294	switch (mode) {
2295	case BinOpItMode.AAIA:
2296	byte* bp = ((byte*)range.Item4 + range.Item1);
2297	while (j > 20) {
2298	cp[0] = saturateByte (cp[0] % (double) bp[0]);
2299	cp[1] = saturateByte (cp[1] % (double) bp[1]);
2300	cp[2] = saturateByte (cp[2] % (double) bp[2]);
2301	cp[3] = saturateByte (cp[3] % (double) bp[3]);
2302	cp[4] = saturateByte (cp[4] % (double) bp[4]);
2303	cp[5] = saturateByte (cp[5] % (double) bp[5]);
2304	cp[6] = saturateByte (cp[6] % (double) bp[6]);
2305	cp[7] = saturateByte (cp[7] % (double) bp[7]);
2306	cp[8] = saturateByte (cp[8] % (double) bp[8]);
2307	cp[9] = saturateByte (cp[9] % (double) bp[9]);
2308	cp[10] = saturateByte (cp[10] % (double) bp[10]);
2309	cp[11] = saturateByte (cp[11] % (double) bp[11]);
2310	cp[12] = saturateByte (cp[12] % (double) bp[12]);
2311	cp[13] = saturateByte (cp[13] % (double) bp[13]);
2312	cp[14] = saturateByte (cp[14] % (double) bp[14]);
2313	cp[15] = saturateByte (cp[15] % (double) bp[15]);
2314	cp[16] = saturateByte (cp[16] % (double) bp[16]);
2315	cp[17] = saturateByte (cp[17] % (double) bp[17]);
2316	cp[18] = saturateByte (cp[18] % (double) bp[18]);
2317	cp[19] = saturateByte (cp[19] % (double) bp[19]);
2318	cp[20] = saturateByte (cp[20] % (double) bp[20]);
2319	cp += 21; bp += 21; j -= 21;
2320	}
2321	while (j --> 0) {
2322
2323	cp = saturateByte (cp % (double) *bp);
2324	cp++; bp++;
2325	}
2326	break;
2327	case BinOpItMode.AAIB:
2328	byte* ap = ((byte*)range.Item3 + range.Item1);
2329	while (j > 20) {
2330
2331	cp[0] = saturateByte (ap[0] % (double) cp[0]);
2332	cp[1] = saturateByte (ap[1] % (double) cp[1]);
2333	cp[2] = saturateByte (ap[2] % (double) cp[2]);
2334	cp[3] = saturateByte (ap[3] % (double) cp[3]);
2335	cp[4] = saturateByte (ap[4] % (double) cp[4]);
2336	cp[5] = saturateByte (ap[5] % (double) cp[5]);
2337	cp[6] = saturateByte (ap[6] % (double) cp[6]);
2338	cp[7] = saturateByte (ap[7] % (double) cp[7]);
2339	cp[8] = saturateByte (ap[8] % (double) cp[8]);
2340	cp[9] = saturateByte (ap[9] % (double) cp[9]);
2341	cp[10] = saturateByte (ap[10] % (double) cp[10]);
2342	cp[11] = saturateByte (ap[11] % (double) cp[11]);
2343	cp[12] = saturateByte (ap[12] % (double) cp[12]);
2344	cp[13] = saturateByte (ap[13] % (double) cp[13]);
2345	cp[14] = saturateByte (ap[14] % (double) cp[14]);
2346	cp[15] = saturateByte (ap[15] % (double) cp[15]);
2347	cp[16] = saturateByte (ap[16] % (double) cp[16]);
2348	cp[17] = saturateByte (ap[17] % (double) cp[17]);
2349	cp[18] = saturateByte (ap[18] % (double) cp[18]);
2350	cp[19] = saturateByte (ap[19] % (double) cp[19]);
2351	cp[20] = saturateByte (ap[20] % (double) cp[20]);
2352	ap += 21; cp += 21; j -= 21;
2353	}
2354	while (j --> 0) {
2355
2356	cp = saturateByte (ap % (double) *cp);
2357	ap++; cp++;
2358	}
2359	break;
2360	case BinOpItMode.AAN:
2361	ap = ((byte*)range.Item3 + range.Item1);
2362	bp = ((byte*)range.Item4 + range.Item1);
2363	while (j > 20) {
2364
2365	cp[0] = saturateByte (ap[0] % (double) bp[0]);
2366	cp[1] = saturateByte (ap[1] % (double) bp[1]);
2367	cp[2] = saturateByte (ap[2] % (double) bp[2]);
2368	cp[3] = saturateByte (ap[3] % (double) bp[3]);
2369	cp[4] = saturateByte (ap[4] % (double) bp[4]);
2370	cp[5] = saturateByte (ap[5] % (double) bp[5]);
2371	cp[6] = saturateByte (ap[6] % (double) bp[6]);
2372	cp[7] = saturateByte (ap[7] % (double) bp[7]);
2373	cp[8] = saturateByte (ap[8] % (double) bp[8]);
2374	cp[9] = saturateByte (ap[9] % (double) bp[9]);
2375	cp[10] = saturateByte (ap[10] % (double) bp[10]);
2376	cp[11] = saturateByte (ap[11] % (double) bp[11]);
2377	cp[12] = saturateByte (ap[12] % (double) bp[12]);
2378	cp[13] = saturateByte (ap[13] % (double) bp[13]);
2379	cp[14] = saturateByte (ap[14] % (double) bp[14]);
2380	cp[15] = saturateByte (ap[15] % (double) bp[15]);
2381	cp[16] = saturateByte (ap[16] % (double) bp[16]);
2382	cp[17] = saturateByte (ap[17] % (double) bp[17]);
2383	cp[18] = saturateByte (ap[18] % (double) bp[18]);
2384	cp[19] = saturateByte (ap[19] % (double) bp[19]);
2385	cp[20] = saturateByte (ap[20] % (double) bp[20]);
2386	ap+=21; bp+=21; cp+=21; j-=21;
2387	}
2388	while (j --> 0) {
2389
2390	cp = saturateByte (ap % (double) *bp);
2391	ap++; bp++; cp++;
2392	}
2393	break;
2394	case BinOpItMode.ASI:
2395	scalar = ((byte)range.Item4);
2396	while (j > 20) {
2397
2398	cp[0] = saturateByte (cp[0] % (double) scalar);
2399	cp[1] = saturateByte (cp[1] % (double) scalar);
2400	cp[2] = saturateByte (cp[2] % (double) scalar);
2401	cp[3] = saturateByte (cp[3] % (double) scalar);
2402	cp[4] = saturateByte (cp[4] % (double) scalar);
2403	cp[5] = saturateByte (cp[5] % (double) scalar);
2404	cp[6] = saturateByte (cp[6] % (double) scalar);
2405	cp[7] = saturateByte (cp[7] % (double) scalar);
2406	cp[8] = saturateByte (cp[8] % (double) scalar);
2407	cp[9] = saturateByte (cp[9] % (double) scalar);
2408	cp[10] = saturateByte (cp[10] % (double) scalar);
2409	cp[11] = saturateByte (cp[11] % (double) scalar);
2410	cp[12] = saturateByte (cp[12] % (double) scalar);
2411	cp[13] = saturateByte (cp[13] % (double) scalar);
2412	cp[14] = saturateByte (cp[14] % (double) scalar);
2413	cp[15] = saturateByte (cp[15] % (double) scalar);
2414	cp[16] = saturateByte (cp[16] % (double) scalar);
2415	cp[17] = saturateByte (cp[17] % (double) scalar);
2416	cp[18] = saturateByte (cp[18] % (double) scalar);
2417	cp[19] = saturateByte (cp[19] % (double) scalar);
2418	cp[20] = saturateByte (cp[20] % (double) scalar);
2419	cp += 21; j -= 21;
2420	}
2421	while (j --> 0) {
2422
2423	cp = saturateByte (cp % (double) scalar);
2424	cp++;
2425	}
2426	break;
2427	case BinOpItMode.ASN:
2428	ap = ((byte*)range.Item3 + range.Item1);
2429	scalar = ((byte)range.Item4);
2430	while (j > 20) {
2431
2432	cp[0] = saturateByte (ap[0] % (double) scalar);
2433	cp[1] = saturateByte (ap[1] % (double) scalar);
2434	cp[2] = saturateByte (ap[2] % (double) scalar);
2435	cp[3] = saturateByte (ap[3] % (double) scalar);
2436	cp[4] = saturateByte (ap[4] % (double) scalar);
2437	cp[5] = saturateByte (ap[5] % (double) scalar);
2438	cp[6] = saturateByte (ap[6] % (double) scalar);
2439	cp[7] = saturateByte (ap[7] % (double) scalar);
2440	cp[8] = saturateByte (ap[8] % (double) scalar);
2441	cp[9] = saturateByte (ap[9] % (double) scalar);
2442	cp[10] = saturateByte (ap[10] % (double) scalar);
2443	cp[11] = saturateByte (ap[11] % (double) scalar);
2444	cp[12] = saturateByte (ap[12] % (double) scalar);
2445	cp[13] = saturateByte (ap[13] % (double) scalar);
2446	cp[14] = saturateByte (ap[14] % (double) scalar);
2447	cp[15] = saturateByte (ap[15] % (double) scalar);
2448	cp[16] = saturateByte (ap[16] % (double) scalar);
2449	cp[17] = saturateByte (ap[17] % (double) scalar);
2450	cp[18] = saturateByte (ap[18] % (double) scalar);
2451	cp[19] = saturateByte (ap[19] % (double) scalar);
2452	cp[20] = saturateByte (ap[20] % (double) scalar);
2453	ap+=21; cp+=21; j -= 21;
2454	}
2455	while (j --> 0) {
2456
2457	cp = saturateByte (ap % (double) scalar);
2458	ap++; cp++;
2459	}
2460	break;
2461	case BinOpItMode.SAI:
2462	scalar = ((byte)range.Item3);
2463	while (j > 20) {
2464
2465	cp[0] = saturateByte (scalar % (double) cp[0]);
2466	cp[1] = saturateByte (scalar % (double) cp[1]);
2467	cp[2] = saturateByte (scalar % (double) cp[2]);
2468	cp[3] = saturateByte (scalar % (double) cp[3]);
2469	cp[4] = saturateByte (scalar % (double) cp[4]);
2470	cp[5] = saturateByte (scalar % (double) cp[5]);
2471	cp[6] = saturateByte (scalar % (double) cp[6]);
2472	cp[7] = saturateByte (scalar % (double) cp[7]);
2473	cp[8] = saturateByte (scalar % (double) cp[8]);
2474	cp[9] = saturateByte (scalar % (double) cp[9]);
2475	cp[10] = saturateByte (scalar % (double) cp[10]);
2476	cp[11] = saturateByte (scalar % (double) cp[11]);
2477	cp[12] = saturateByte (scalar % (double) cp[12]);
2478	cp[13] = saturateByte (scalar % (double) cp[13]);
2479	cp[14] = saturateByte (scalar % (double) cp[14]);
2480	cp[15] = saturateByte (scalar % (double) cp[15]);
2481	cp[16] = saturateByte (scalar % (double) cp[16]);
2482	cp[17] = saturateByte (scalar % (double) cp[17]);
2483	cp[18] = saturateByte (scalar % (double) cp[18]);
2484	cp[19] = saturateByte (scalar % (double) cp[19]);
2485	cp[20] = saturateByte (scalar % (double) cp[20]);
2486	cp += 21; j -= 21;
2487	}
2488	while (j --> 0) {
2489
2490	cp = saturateByte (scalar % (double) cp);
2491	cp++;
2492	}
2493	break;
2494	case BinOpItMode.SAN:
2495	scalar = ((byte)range.Item3);
2496	bp = ((byte*)range.Item4 + range.Item1);
2497	while (j > 20) {
2498
2499	cp[0] = saturateByte (scalar % (double) bp[0]);
2500	cp[1] = saturateByte (scalar % (double) bp[1]);
2501	cp[2] = saturateByte (scalar % (double) bp[2]);
2502	cp[3] = saturateByte (scalar % (double) bp[3]);
2503	cp[4] = saturateByte (scalar % (double) bp[4]);
2504	cp[5] = saturateByte (scalar % (double) bp[5]);
2505	cp[6] = saturateByte (scalar % (double) bp[6]);
2506	cp[7] = saturateByte (scalar % (double) bp[7]);
2507	cp[8] = saturateByte (scalar % (double) bp[8]);
2508	cp[9] = saturateByte (scalar % (double) bp[9]);
2509	cp[10] = saturateByte (scalar % (double) bp[10]);
2510	cp[11] = saturateByte (scalar % (double) bp[11]);
2511	cp[12] = saturateByte (scalar % (double) bp[12]);
2512	cp[13] = saturateByte (scalar % (double) bp[13]);
2513	cp[14] = saturateByte (scalar % (double) bp[14]);
2514	cp[15] = saturateByte (scalar % (double) bp[15]);
2515	cp[16] = saturateByte (scalar % (double) bp[16]);
2516	cp[17] = saturateByte (scalar % (double) bp[17]);
2517	cp[18] = saturateByte (scalar % (double) bp[18]);
2518	cp[19] = saturateByte (scalar % (double) bp[19]);
2519	cp[20] = saturateByte (scalar % (double) bp[20]);
2520	bp+=21; cp+=21; j -= 21;
2521	}
2522	while (j --> 0) {
2523
2524	cp = saturateByte (scalar % (double) bp);
2525	bp++; cp++;
2526	}
2527	break;
2528	default:
2529	break;
2530	}
2531	#endregion
2532	System.Threading.Interlocked.Decrement(ref workerCount);
2533	//retStorage.PendingEvents.Signal();
2534	};
2535
2536	#region do the work
2537	int workItemCount = Settings.s_maxNumberThreads, workItemLength;
2538	if (Settings.s_maxNumberThreads > 1 && outLen / 2 > Settings.s_minParallelElement1Count) {
2539	if (outLen / workItemCount > Settings.s_minParallelElement1Count) {
2540	workItemLength = outLen / workItemCount;
2541	//workItemLength = (int)((double)outLen / workItemCount * 1.05);
2542	} else {
2543	workItemLength = outLen / 2;
2544	workItemCount = 2;
2545	}
2546	} else {
2547	workItemLength = outLen;
2548	workItemCount = 1;
2549	}
2550
2551	fixed ( byte* arrAP = arrA)
2552	fixed ( byte* arrBP = arrB)
2553	fixed ( byte* retArrP = retArr) {
2554
2555	for (; i < workItemCount - 1; i++) {
2556	Tuple<int, int, IntPtr, IntPtr, IntPtr, BinOpItMode> range
2557	= new Tuple<int, int, IntPtr, IntPtr, IntPtr, BinOpItMode>
2558	(i * workItemLength, workItemLength, (IntPtr)arrAP, (IntPtr)arrBP, (IntPtr)retArrP, mode);
2559	System.Threading.Interlocked.Increment(ref workerCount);
2560	ILThreadPool.QueueUserWorkItem(i, worker, range);
2561	}
2562	// the last (or may the only) chunk is done right here
2563	//System.Threading.Interlocked.Increment(ref retStorage.PendingTasks);
2564	worker(new Tuple<int, int, IntPtr, IntPtr, IntPtr, BinOpItMode>
2565	(i * workItemLength, outLen - i * workItemLength, (IntPtr)arrAP, (IntPtr)arrBP, (IntPtr)retArrP, mode));
2566
2567	ILThreadPool.Wait4Workers(ref workerCount);
2568	}
2569
2570	#endregion
2571	return new ILRetArray< byte>(retStorage);
2572	}
2573	}
2574
2575	private static unsafe ILRetArray<byte> modEx(ILInArray<byte> A, ILInArray<byte> B) {
2576	//using (ILScope.Enter(A, B)) { we cannot start a new scope here, since this would prevent A and B to be used implace if applicable
2577
2578	#region parameter checking
2579	if (isnull(A) \|\| isnull(B))
2580	return empty<byte>(ILSize.Empty00);
2581	if (A.IsEmpty) {
2582	return empty<byte>(B.S);
2583	} else if (B.IsEmpty) {
2584	return empty<byte>(A.S);
2585	}
2586	//if (A.IsScalar \|\| B.IsScalar \|\| A.D.IsSameSize(B.D))
2587	// return add(A,B);
2588	int dim = -1;
2589	for (int l = 0; l < Math.Max(A.S.NumberOfDimensions, B.S.NumberOfDimensions); l++) {
2590	if (A.S[l] != B.S[l]) {
2591	if (dim >= 0 \|\| (A.S[l] != 1 && B.S[l] != 1)) {
2592	throw new ILArgumentException("A and B must have the same size except for one simgleton dimension in A or B");
2593	}
2594	dim = l;
2595	}
2596	}
2597	if (dim > 1)
2598	throw new ILArgumentException("singleton dimension expansion currently is only supported for colum- and row vectors");
2599	dim = -(dim - 1); // 0 -> 1, 1 -> 0
2600	#endregion
2601
2602	#region parameter preparation
2603
2604	byte[] retArr;
2605
2606	byte[] arrA = A.GetArrayForRead();
2607
2608	byte[] arrB = B.GetArrayForRead();
2609	ILSize outDims;
2610	BinOptItExMode mode;
2611	int workItemMultiplierLenA;
2612	int workItemMultiplierLenB;
2613	if (A.IsVector) {
2614	outDims = B.S;
2615	if (!B.TryGetStorage4InplaceOp(out retArr)) {
2616	retArr = ILMemoryPool.Pool.New<byte>(outDims.NumberOfElements);
2617	mode = BinOptItExMode.VAN;
2618	} else {
2619	mode = BinOptItExMode.VAI;
2620	}
2621	workItemMultiplierLenB = outDims[0];
2622	workItemMultiplierLenA = dim; // 0 for column, 1 for row vector
2623	} else if (B.IsVector) {
2624	outDims = A.S;
2625	if (!A.TryGetStorage4InplaceOp(out retArr)) {
2626	retArr = ILMemoryPool.Pool.New<byte>(outDims.NumberOfElements);
2627	mode = BinOptItExMode.AVN;
2628	} else {
2629	mode = BinOptItExMode.AVI;
2630	}
2631	workItemMultiplierLenB = dim; // 0 for column, 1 for row vector
2632	workItemMultiplierLenA = outDims[0];
2633	} else {
2634	throw new ILArgumentException("A and B must have the same size except for one singleton dimension in either A or B");
2635	}
2636	int itLen = outDims[0]; // (dim == 0) ? outDims.SequentialIndexDistance(1) : outDims.SequentialIndexDistance(0);
2637	#endregion
2638
2639	#region worker loops definition
2640	ILDenseStorage<byte> retStorage = new ILDenseStorage<byte>(retArr, outDims);
2641	int workerCount = 1;
2642	Action<object> worker = data => {
2643	// expects: iStart, iLen, ap, bp, cp
2644	Tuple<int, IntPtr, IntPtr, IntPtr> range =
2645	(Tuple<int, IntPtr, IntPtr, IntPtr>)data;
2646
2647	byte* ap;
2648
2649	byte* bp;
2650
2651	byte* cp;
2652	switch (mode) {
2653	case BinOptItExMode.VAN:
2654	if (dim == 0) {
2655	bp = (byte*)range.Item3;
2656	cp = (byte*)range.Item4;
2657	for (int s = 0; s < range.Item1; s++) {
2658	ap = (byte*)range.Item2;
2659	int l = itLen;
2660	while (l > 10) {
2661	cp[0] = saturateByte (ap[0] % (double) bp[0]);
2662	cp[1] = saturateByte (ap[1] % (double) bp[1]);
2663	cp[2] = saturateByte (ap[2] % (double) bp[2]);
2664	cp[3] = saturateByte (ap[3] % (double) bp[3]);
2665	cp[4] = saturateByte (ap[4] % (double) bp[4]);
2666	cp[5] = saturateByte (ap[5] % (double) bp[5]);
2667	cp[6] = saturateByte (ap[6] % (double) bp[6]);
2668	cp[7] = saturateByte (ap[7] % (double) bp[7]);
2669	cp[8] = saturateByte (ap[8] % (double) bp[8]);
2670	cp[9] = saturateByte (ap[9] % (double) bp[9]);
2671	cp[10] = saturateByte (ap[10] % (double) bp[10]);
2672	ap += 11;
2673	bp += 11;
2674	cp += 11;
2675	l -= 11;
2676	}
2677	while (l-- > 0) {
2678	cp++ = saturateByte (ap++ % (double) *bp++);
2679	}
2680	}
2681	} else {
2682	// dim == 1
2683	ap = (byte*)range.Item2;
2684	bp = (byte*)range.Item3;
2685	cp = (byte*)range.Item4;
2686	for (int s = 0; s < range.Item1; s++) {
2687	byte val = *ap++;
2688	int l = itLen;
2689	while (l > 10) {
2690	cp[0] = saturateByte (val % (double) bp[0]);
2691	cp[1] = saturateByte (val % (double) bp[1]);
2692	cp[2] = saturateByte (val % (double) bp[2]);
2693	cp[3] = saturateByte (val % (double) bp[3]);
2694	cp[4] = saturateByte (val % (double) bp[4]);
2695	cp[5] = saturateByte (val % (double) bp[5]);
2696	cp[6] = saturateByte (val % (double) bp[6]);
2697	cp[7] = saturateByte (val % (double) bp[7]);
2698	cp[8] = saturateByte (val % (double) bp[8]);
2699	cp[9] = saturateByte (val % (double) bp[9]);
2700	cp[10] = saturateByte (val % (double) bp[10]);
2701	bp += 11;
2702	cp += 11;
2703	l -= 11;
2704	}
2705	while (l-- > 0) {
2706	cp++ = saturateByte (val % (double) bp++);
2707	}
2708	}
2709	}
2710	break;
2711	case BinOptItExMode.VAI:
2712	if (dim == 0) {
2713	cp = (byte*)range.Item4;
2714	for (int s = 0; s < range.Item1; s++) {
2715	ap = (byte*)range.Item2;
2716	int l = itLen;
2717	while (l > 10) {
2718	cp[0] = saturateByte (ap[0] % (double) cp[0]);
2719	cp[1] = saturateByte (ap[1] % (double) cp[1]);
2720	cp[2] = saturateByte (ap[2] % (double) cp[2]);
2721	cp[3] = saturateByte (ap[3] % (double) cp[3]);
2722	cp[4] = saturateByte (ap[4] % (double) cp[4]);
2723	cp[5] = saturateByte (ap[5] % (double) cp[5]);
2724	cp[6] = saturateByte (ap[6] % (double) cp[6]);
2725	cp[7] = saturateByte (ap[7] % (double) cp[7]);
2726	cp[8] = saturateByte (ap[8] % (double) cp[8]);
2727	cp[9] = saturateByte (ap[9] % (double) cp[9]);
2728	cp[10] = saturateByte (ap[10] % (double) cp[10]);
2729	ap += 11;
2730	cp += 11;
2731	l -= 11;
2732	}
2733	while (l-- > 0) {
2734	cp = saturateByte (ap++ % (double) *cp);
2735	cp++;
2736	}
2737	}
2738	} else {
2739	// dim == 1
2740	cp = (byte*)range.Item4;
2741	ap = (byte*)range.Item2;
2742	for (int s = 0; s < range.Item1; s++) {
2743
2744	byte val = *ap++;
2745	int l = itLen;
2746	while (l > 10) {
2747	cp[0] = saturateByte (val % (double) cp[0]);
2748	cp[1] = saturateByte (val % (double) cp[1]);
2749	cp[2] = saturateByte (val % (double) cp[2]);
2750	cp[3] = saturateByte (val % (double) cp[3]);
2751	cp[4] = saturateByte (val % (double) cp[4]);
2752	cp[5] = saturateByte (val % (double) cp[5]);
2753	cp[6] = saturateByte (val % (double) cp[6]);
2754	cp[7] = saturateByte (val % (double) cp[7]);
2755	cp[8] = saturateByte (val % (double) cp[8]);
2756	cp[9] = saturateByte (val % (double) cp[9]);
2757	cp[10] = saturateByte (val % (double) cp[10]);
2758	cp += 11;
2759	l -= 11;
2760	}
2761	while (l-- > 0) {
2762	cp = saturateByte (val % (double) cp);
2763	cp++;
2764	}
2765	}
2766	}
2767	break;
2768	case BinOptItExMode.AVN:
2769	if (dim == 0) {
2770	ap = (byte*)range.Item2;
2771	cp = (byte*)range.Item4;
2772	for (int s = 0; s < range.Item1; s++) {
2773	bp = (byte*)range.Item3;
2774	int l = itLen;
2775	while (l > 10) {
2776	cp[0] = saturateByte (ap[0] % (double) bp[0]);
2777	cp[1] = saturateByte (ap[1] % (double) bp[1]);
2778	cp[2] = saturateByte (ap[2] % (double) bp[2]);
2779	cp[3] = saturateByte (ap[3] % (double) bp[3]);
2780	cp[4] = saturateByte (ap[4] % (double) bp[4]);
2781	cp[5] = saturateByte (ap[5] % (double) bp[5]);
2782	cp[6] = saturateByte (ap[6] % (double) bp[6]);
2783	cp[7] = saturateByte (ap[7] % (double) bp[7]);
2784	cp[8] = saturateByte (ap[8] % (double) bp[8]);
2785	cp[9] = saturateByte (ap[9] % (double) bp[9]);
2786	cp[10] = saturateByte (ap[10] % (double) bp[10]);
2787	ap += 11;
2788	bp += 11;
2789	cp += 11;
2790	l -= 11;
2791	}
2792	while (l-- > 0) {
2793	cp = saturateByte (ap % (double) *bp);
2794	ap++;
2795	bp++;
2796	cp++;
2797	}
2798	}
2799	} else {
2800	// dim = 1
2801	ap = (byte*)range.Item2;
2802	bp = (byte*)range.Item3;
2803	cp = (byte*)range.Item4;
2804	for (int s = 0; s < range.Item1; s++) {
2805	byte val = *bp++;
2806	int l = itLen;
2807	while (l > 10) {
2808	cp[0] = saturateByte (ap[0] % (double) val);
2809	cp[1] = saturateByte (ap[1] % (double) val);
2810	cp[2] = saturateByte (ap[2] % (double) val);
2811	cp[3] = saturateByte (ap[3] % (double) val);
2812	cp[4] = saturateByte (ap[4] % (double) val);
2813	cp[5] = saturateByte (ap[5] % (double) val);
2814	cp[6] = saturateByte (ap[6] % (double) val);
2815	cp[7] = saturateByte (ap[7] % (double) val);
2816	cp[8] = saturateByte (ap[8] % (double) val);
2817	cp[9] = saturateByte (ap[9] % (double) val);
2818	cp[10] = saturateByte (ap[10] % (double) val);
2819	ap += 11;
2820	cp += 11;
2821	l -= 11;
2822	}
2823	while (l-- > 0) {
2824	cp = saturateByte (ap % (double) val);
2825	ap++;
2826	cp++;
2827	}
2828	}
2829	}
2830	break;
2831	case BinOptItExMode.AVI:
2832	if (dim == 0) {
2833	cp = (byte*)range.Item4;
2834	for (int s = 0; s < range.Item1; s++) {
2835	bp = (byte*)range.Item3;
2836	int l = itLen;
2837	while (l > 10) {
2838	cp[0] = saturateByte (cp[0] % (double) bp[0]);
2839	cp[1] = saturateByte (cp[1] % (double) bp[1]);
2840	cp[2] = saturateByte (cp[2] % (double) bp[2]);
2841	cp[3] = saturateByte (cp[3] % (double) bp[3]);
2842	cp[4] = saturateByte (cp[4] % (double) bp[4]);
2843	cp[5] = saturateByte (cp[5] % (double) bp[5]);
2844	cp[6] = saturateByte (cp[6] % (double) bp[6]);
2845	cp[7] = saturateByte (cp[7] % (double) bp[7]);
2846	cp[8] = saturateByte (cp[8] % (double) bp[8]);
2847	cp[9] = saturateByte (cp[9] % (double) bp[9]);
2848	cp[10] = saturateByte (cp[10] % (double) bp[10]);
2849	bp += 11;
2850	cp += 11;
2851	l -= 11;
2852	}
2853	while (l-- > 0) {
2854	cp = saturateByte (cp % (double) *bp);
2855	bp++;
2856	cp++;
2857	}
2858	}
2859	} else {
2860	// dim = 1
2861	bp = (byte*)range.Item3;
2862	cp = (byte*)range.Item4;
2863	for (int s = 0; s < range.Item1; s++) {
2864
2865	byte val = *bp++;
2866	int l = itLen;
2867	while (l > 10) {
2868	cp[0] = saturateByte (cp[0] % (double) val);
2869	cp[1] = saturateByte (cp[1] % (double) val);
2870	cp[2] = saturateByte (cp[2] % (double) val);
2871	cp[3] = saturateByte (cp[3] % (double) val);
2872	cp[4] = saturateByte (cp[4] % (double) val);
2873	cp[5] = saturateByte (cp[5] % (double) val);
2874	cp[6] = saturateByte (cp[6] % (double) val);
2875	cp[7] = saturateByte (cp[7] % (double) val);
2876	cp[8] = saturateByte (cp[8] % (double) val);
2877	cp[9] = saturateByte (cp[9] % (double) val);
2878	cp[10] = saturateByte (cp[10] % (double) val);
2879	cp += 11;
2880	l -= 11;
2881	}
2882	while (l --> 0) {
2883	cp = saturateByte (cp % (double) val);
2884	cp++;
2885	}
2886	}
2887	}
2888	break;
2889	}
2890	System.Threading.Interlocked.Decrement(ref workerCount);
2891	};
2892	#endregion
2893
2894	#region work distribution
2895	int i = 0, workItemCount = Settings.s_maxNumberThreads, workItemLength;
2896	if (Settings.s_maxNumberThreads > 1 && outDims.NumberOfElements >= Settings.s_minParallelElement1Count
2897	&& outDims[1] > 1) {
2898	if (outDims[1] > workItemCount) {
2899	workItemLength = outDims[1] / workItemCount;
2900	} else {
2901	workItemLength = outDims[1] / 2;
2902	workItemCount = 2;
2903	}
2904	} else {
2905	workItemLength = outDims[1];
2906	workItemCount = 1;
2907	}
2908
2909	fixed ( byte* arrAP = arrA)
2910	fixed ( byte* arrBP = arrB)
2911	fixed ( byte* retArrP = retArr) {
2912
2913	for (; i < workItemCount - 1; i++) {
2914	Tuple<int, IntPtr, IntPtr, IntPtr> range = new Tuple<int, IntPtr, IntPtr, IntPtr>
2915	(workItemLength
2916	, (IntPtr)(arrAP + i * workItemMultiplierLenA * workItemLength)
2917	, (IntPtr)(arrBP + i * workItemMultiplierLenB * workItemLength)
2918	, (IntPtr)(retArrP + i * outDims[0] * workItemLength));
2919	System.Threading.Interlocked.Increment(ref workerCount);
2920	ILThreadPool.QueueUserWorkItem(i, worker, range);
2921	}
2922	// the last (or may the only) chunk is done right here
2923	//System.Threading.Interlocked.Increment(ref retStorage.PendingTasks);
2924	worker(new Tuple<int, IntPtr, IntPtr, IntPtr>
2925	(outDims[1] - i * workItemLength
2926	, (IntPtr)(arrAP + i * workItemMultiplierLenA * workItemLength)
2927	, (IntPtr)(arrBP + i * workItemMultiplierLenB * workItemLength)
2928	, (IntPtr)(retArrP + i * outDims[0] * workItemLength)));
2929
2930	ILThreadPool.Wait4Workers(ref workerCount);
2931	}
2932	#endregion
2933
2934	return new ILRetArray<byte>(retStorage);
2935	//} // no scopes here! it disables implace operations
2936	}
2937
2938	/// <summary>Modulus of array elements</summary>
2939	/// <param name="A">Input array A</param>
2940	/// <param name="B">Input array B</param>
2941	/// <returns>New array with result of elementwise modulus operation</returns>
2942	/// <remarks><para>On empty input an empty array will be returned.</para>
2943	/// <para>A and/or B may be scalar. The scalar value will be applied on all elements of the
2944	/// other array.</para>
2945	/// <para>If A or B is a colum vector and the other parameter is an array with a matching colum length, the vector is used to operate on all columns of the array.
2946	/// Similar, if one parameter is a row vector, it is used to operate along the rows of the other array if its number of columns matches the vector length. This feature
2947	/// can be used to replace the (costly) repmat function for most binary operators.</para>
2948	/// <para>For all other cases the dimensions of A and B must match.</para></remarks>
2949	/// <exception cref="ILNumerics.Exceptions.ILArgumentException">If the size of both arrays does not match any parameter rule.</exception>
2950	public unsafe static ILRetArray<double> mod(ILInArray<double> A, ILInArray<double> B) {
2951	using (ILScope.Enter(A,B)) {
2952	int outLen;
2953	BinOpItMode mode;
2954	double [] retArr;
2955	double [] arrA = A.GetArrayForRead();
2956	double[] arrB = B.GetArrayForRead();
2957	ILSize outDims;
2958	#region determine operation mode
2959	if (A.IsScalar) {
2960	outDims = B.Size;
2961	if (B.IsScalar) {
2962
2963	return new ILRetArray<double> (new double [1]{ (A.GetValue(0) % B.GetValue(0))}, A.Size);
2964	} else if (B.IsEmpty) {
2965	return ILRetArray<double>.empty(outDims);
2966	} else {
2967	outLen = outDims.NumberOfElements;
2968	if (!B.TryGetStorage4InplaceOp(out retArr)) {
2969	retArr = ILMemoryPool.Pool.New< double > (outLen);
2970	mode = BinOpItMode.SAN;
2971	} else {
2972	mode = BinOpItMode.SAI;
2973	}
2974	}
2975	} else {
2976	outDims = A.Size;
2977	if (B.IsScalar) {
2978	if (A.IsEmpty) {
2979	return ILRetArray<double>.empty(A.Size);
2980	}
2981	outLen = A.S.NumberOfElements;
2982	if (!A.TryGetStorage4InplaceOp(out retArr)) {
2983	retArr = ILMemoryPool.Pool.New< double > (outLen);
2984	mode = BinOpItMode.ASN;
2985	} else {
2986	mode = BinOpItMode.ASI;
2987	}
2988	} else {
2989	// array + array
2990	if (!A.Size.IsSameSize(B.Size)) {
2991	return modEx(A,B);
2992	}
2993	outLen = A.S.NumberOfElements;
2994	if (A.TryGetStorage4InplaceOp(out retArr))
2995	mode = BinOpItMode.AAIA;
2996	else if (B.TryGetStorage4InplaceOp(out retArr))
2997	mode = BinOpItMode.AAIB;
2998	else {
2999	retArr = ILMemoryPool.Pool.New< double > (outLen);
3000	mode = BinOpItMode.AAN;
3001	}
3002	}
3003	}
3004	#endregion
3005	ILDenseStorage<double> retStorage = new ILDenseStorage<double>(retArr, outDims);
3006	int i = 0, workerCount = 1;
3007	Action<object> worker = data => {
3008	Tuple<int, int, IntPtr, IntPtr, IntPtr, BinOpItMode> range
3009	= (Tuple<int, int, IntPtr, IntPtr, IntPtr, BinOpItMode>)data;
3010	double* cp = (double*)range.Item5 + range.Item1;
3011	double scalar;
3012	int j = range.Item2;
3013	#region loops
3014	switch (mode) {
3015	case BinOpItMode.AAIA:
3016	double* bp = ((double*)range.Item4 + range.Item1);
3017	while (j > 20) {
3018	cp[0] = (cp[0] % bp[0]);
3019	cp[1] = (cp[1] % bp[1]);
3020	cp[2] = (cp[2] % bp[2]);
3021	cp[3] = (cp[3] % bp[3]);
3022	cp[4] = (cp[4] % bp[4]);
3023	cp[5] = (cp[5] % bp[5]);
3024	cp[6] = (cp[6] % bp[6]);
3025	cp[7] = (cp[7] % bp[7]);
3026	cp[8] = (cp[8] % bp[8]);
3027	cp[9] = (cp[9] % bp[9]);
3028	cp[10] = (cp[10] % bp[10]);
3029	cp[11] = (cp[11] % bp[11]);
3030	cp[12] = (cp[12] % bp[12]);
3031	cp[13] = (cp[13] % bp[13]);
3032	cp[14] = (cp[14] % bp[14]);
3033	cp[15] = (cp[15] % bp[15]);
3034	cp[16] = (cp[16] % bp[16]);
3035	cp[17] = (cp[17] % bp[17]);
3036	cp[18] = (cp[18] % bp[18]);
3037	cp[19] = (cp[19] % bp[19]);
3038	cp[20] = (cp[20] % bp[20]);
3039	cp += 21; bp += 21; j -= 21;
3040	}
3041	while (j --> 0) {
3042
3043	cp = (cp % *bp);
3044	cp++; bp++;
3045	}
3046	break;
3047	case BinOpItMode.AAIB:
3048	double* ap = ((double*)range.Item3 + range.Item1);
3049	while (j > 20) {
3050
3051	cp[0] = (ap[0] % cp[0]);
3052	cp[1] = (ap[1] % cp[1]);
3053	cp[2] = (ap[2] % cp[2]);
3054	cp[3] = (ap[3] % cp[3]);
3055	cp[4] = (ap[4] % cp[4]);
3056	cp[5] = (ap[5] % cp[5]);
3057	cp[6] = (ap[6] % cp[6]);
3058	cp[7] = (ap[7] % cp[7]);
3059	cp[8] = (ap[8] % cp[8]);
3060	cp[9] = (ap[9] % cp[9]);
3061	cp[10] = (ap[10] % cp[10]);
3062	cp[11] = (ap[11] % cp[11]);
3063	cp[12] = (ap[12] % cp[12]);
3064	cp[13] = (ap[13] % cp[13]);
3065	cp[14] = (ap[14] % cp[14]);
3066	cp[15] = (ap[15] % cp[15]);
3067	cp[16] = (ap[16] % cp[16]);
3068	cp[17] = (ap[17] % cp[17]);
3069	cp[18] = (ap[18] % cp[18]);
3070	cp[19] = (ap[19] % cp[19]);
3071	cp[20] = (ap[20] % cp[20]);
3072	ap += 21; cp += 21; j -= 21;
3073	}
3074	while (j --> 0) {
3075
3076	cp = (ap % *cp);
3077	ap++; cp++;
3078	}
3079	break;
3080	case BinOpItMode.AAN:
3081	ap = ((double*)range.Item3 + range.Item1);
3082	bp = ((double*)range.Item4 + range.Item1);
3083	while (j > 20) {
3084
3085	cp[0] = (ap[0] % bp[0]);
3086	cp[1] = (ap[1] % bp[1]);
3087	cp[2] = (ap[2] % bp[2]);
3088	cp[3] = (ap[3] % bp[3]);
3089	cp[4] = (ap[4] % bp[4]);
3090	cp[5] = (ap[5] % bp[5]);
3091	cp[6] = (ap[6] % bp[6]);
3092	cp[7] = (ap[7] % bp[7]);
3093	cp[8] = (ap[8] % bp[8]);
3094	cp[9] = (ap[9] % bp[9]);
3095	cp[10] = (ap[10] % bp[10]);
3096	cp[11] = (ap[11] % bp[11]);
3097	cp[12] = (ap[12] % bp[12]);
3098	cp[13] = (ap[13] % bp[13]);
3099	cp[14] = (ap[14] % bp[14]);
3100	cp[15] = (ap[15] % bp[15]);
3101	cp[16] = (ap[16] % bp[16]);
3102	cp[17] = (ap[17] % bp[17]);
3103	cp[18] = (ap[18] % bp[18]);
3104	cp[19] = (ap[19] % bp[19]);
3105	cp[20] = (ap[20] % bp[20]);
3106	ap+=21; bp+=21; cp+=21; j-=21;
3107	}
3108	while (j --> 0) {
3109
3110	cp = (ap % *bp);
3111	ap++; bp++; cp++;
3112	}
3113	break;
3114	case BinOpItMode.ASI:
3115	scalar = ((double)range.Item4);
3116	while (j > 20) {
3117
3118	cp[0] = (cp[0] % scalar);
3119	cp[1] = (cp[1] % scalar);
3120	cp[2] = (cp[2] % scalar);
3121	cp[3] = (cp[3] % scalar);
3122	cp[4] = (cp[4] % scalar);
3123	cp[5] = (cp[5] % scalar);
3124	cp[6] = (cp[6] % scalar);
3125	cp[7] = (cp[7] % scalar);
3126	cp[8] = (cp[8] % scalar);
3127	cp[9] = (cp[9] % scalar);
3128	cp[10] = (cp[10] % scalar);
3129	cp[11] = (cp[11] % scalar);
3130	cp[12] = (cp[12] % scalar);
3131	cp[13] = (cp[13] % scalar);
3132	cp[14] = (cp[14] % scalar);
3133	cp[15] = (cp[15] % scalar);
3134	cp[16] = (cp[16] % scalar);
3135	cp[17] = (cp[17] % scalar);
3136	cp[18] = (cp[18] % scalar);
3137	cp[19] = (cp[19] % scalar);
3138	cp[20] = (cp[20] % scalar);
3139	cp += 21; j -= 21;
3140	}
3141	while (j --> 0) {
3142
3143	cp = (cp % scalar);
3144	cp++;
3145	}
3146	break;
3147	case BinOpItMode.ASN:
3148	ap = ((double*)range.Item3 + range.Item1);
3149	scalar = ((double)range.Item4);
3150	while (j > 20) {
3151
3152	cp[0] = (ap[0] % scalar);
3153	cp[1] = (ap[1] % scalar);
3154	cp[2] = (ap[2] % scalar);
3155	cp[3] = (ap[3] % scalar);
3156	cp[4] = (ap[4] % scalar);
3157	cp[5] = (ap[5] % scalar);
3158	cp[6] = (ap[6] % scalar);
3159	cp[7] = (ap[7] % scalar);
3160	cp[8] = (ap[8] % scalar);
3161	cp[9] = (ap[9] % scalar);
3162	cp[10] = (ap[10] % scalar);
3163	cp[11] = (ap[11] % scalar);
3164	cp[12] = (ap[12] % scalar);
3165	cp[13] = (ap[13] % scalar);
3166	cp[14] = (ap[14] % scalar);
3167	cp[15] = (ap[15] % scalar);
3168	cp[16] = (ap[16] % scalar);
3169	cp[17] = (ap[17] % scalar);
3170	cp[18] = (ap[18] % scalar);
3171	cp[19] = (ap[19] % scalar);
3172	cp[20] = (ap[20] % scalar);
3173	ap+=21; cp+=21; j -= 21;
3174	}
3175	while (j --> 0) {
3176
3177	cp = (ap % scalar);
3178	ap++; cp++;
3179	}
3180	break;
3181	case BinOpItMode.SAI:
3182	scalar = ((double)range.Item3);
3183	while (j > 20) {
3184
3185	cp[0] = (scalar % cp[0]);
3186	cp[1] = (scalar % cp[1]);
3187	cp[2] = (scalar % cp[2]);
3188	cp[3] = (scalar % cp[3]);
3189	cp[4] = (scalar % cp[4]);
3190	cp[5] = (scalar % cp[5]);
3191	cp[6] = (scalar % cp[6]);
3192	cp[7] = (scalar % cp[7]);
3193	cp[8] = (scalar % cp[8]);
3194	cp[9] = (scalar % cp[9]);
3195	cp[10] = (scalar % cp[10]);
3196	cp[11] = (scalar % cp[11]);
3197	cp[12] = (scalar % cp[12]);
3198	cp[13] = (scalar % cp[13]);
3199	cp[14] = (scalar % cp[14]);
3200	cp[15] = (scalar % cp[15]);
3201	cp[16] = (scalar % cp[16]);
3202	cp[17] = (scalar % cp[17]);
3203	cp[18] = (scalar % cp[18]);
3204	cp[19] = (scalar % cp[19]);
3205	cp[20] = (scalar % cp[20]);
3206	cp += 21; j -= 21;
3207	}
3208	while (j --> 0) {
3209
3210	cp = (scalar % cp);
3211	cp++;
3212	}
3213	break;
3214	case BinOpItMode.SAN:
3215	scalar = ((double)range.Item3);
3216	bp = ((double*)range.Item4 + range.Item1);
3217	while (j > 20) {
3218
3219	cp[0] = (scalar % bp[0]);
3220	cp[1] = (scalar % bp[1]);
3221	cp[2] = (scalar % bp[2]);
3222	cp[3] = (scalar % bp[3]);
3223	cp[4] = (scalar % bp[4]);
3224	cp[5] = (scalar % bp[5]);
3225	cp[6] = (scalar % bp[6]);
3226	cp[7] = (scalar % bp[7]);
3227	cp[8] = (scalar % bp[8]);
3228	cp[9] = (scalar % bp[9]);
3229	cp[10] = (scalar % bp[10]);
3230	cp[11] = (scalar % bp[11]);
3231	cp[12] = (scalar % bp[12]);
3232	cp[13] = (scalar % bp[13]);
3233	cp[14] = (scalar % bp[14]);
3234	cp[15] = (scalar % bp[15]);
3235	cp[16] = (scalar % bp[16]);
3236	cp[17] = (scalar % bp[17]);
3237	cp[18] = (scalar % bp[18]);
3238	cp[19] = (scalar % bp[19]);
3239	cp[20] = (scalar % bp[20]);
3240	bp+=21; cp+=21; j -= 21;
3241	}
3242	while (j --> 0) {
3243
3244	cp = (scalar % bp);
3245	bp++; cp++;
3246	}
3247	break;
3248	default:
3249	break;
3250	}
3251	#endregion
3252	System.Threading.Interlocked.Decrement(ref workerCount);
3253	//retStorage.PendingEvents.Signal();
3254	};
3255
3256	#region do the work
3257	int workItemCount = Settings.s_maxNumberThreads, workItemLength;
3258	if (Settings.s_maxNumberThreads > 1 && outLen / 2 > Settings.s_minParallelElement1Count) {
3259	if (outLen / workItemCount > Settings.s_minParallelElement1Count) {
3260	workItemLength = outLen / workItemCount;
3261	//workItemLength = (int)((double)outLen / workItemCount * 1.05);
3262	} else {
3263	workItemLength = outLen / 2;
3264	workItemCount = 2;
3265	}
3266	} else {
3267	workItemLength = outLen;
3268	workItemCount = 1;
3269	}
3270
3271	fixed ( double* arrAP = arrA)
3272	fixed ( double* arrBP = arrB)
3273	fixed ( double* retArrP = retArr) {
3274
3275	for (; i < workItemCount - 1; i++) {
3276	Tuple<int, int, IntPtr, IntPtr, IntPtr, BinOpItMode> range
3277	= new Tuple<int, int, IntPtr, IntPtr, IntPtr, BinOpItMode>
3278	(i * workItemLength, workItemLength, (IntPtr)arrAP, (IntPtr)arrBP, (IntPtr)retArrP, mode);
3279	System.Threading.Interlocked.Increment(ref workerCount);
3280	ILThreadPool.QueueUserWorkItem(i, worker, range);
3281	}
3282	// the last (or may the only) chunk is done right here
3283	//System.Threading.Interlocked.Increment(ref retStorage.PendingTasks);
3284	worker(new Tuple<int, int, IntPtr, IntPtr, IntPtr, BinOpItMode>
3285	(i * workItemLength, outLen - i * workItemLength, (IntPtr)arrAP, (IntPtr)arrBP, (IntPtr)retArrP, mode));
3286
3287	ILThreadPool.Wait4Workers(ref workerCount);
3288	}
3289
3290	#endregion
3291	return new ILRetArray< double>(retStorage);
3292	}
3293	}
3294
3295	private static unsafe ILRetArray<double> modEx(ILInArray<double> A, ILInArray<double> B) {
3296	//using (ILScope.Enter(A, B)) { we cannot start a new scope here, since this would prevent A and B to be used implace if applicable
3297
3298	#region parameter checking
3299	if (isnull(A) \|\| isnull(B))
3300	return empty<double>(ILSize.Empty00);
3301	if (A.IsEmpty) {
3302	return empty<double>(B.S);
3303	} else if (B.IsEmpty) {
3304	return empty<double>(A.S);
3305	}
3306	//if (A.IsScalar \|\| B.IsScalar \|\| A.D.IsSameSize(B.D))
3307	// return add(A,B);
3308	int dim = -1;
3309	for (int l = 0; l < Math.Max(A.S.NumberOfDimensions, B.S.NumberOfDimensions); l++) {
3310	if (A.S[l] != B.S[l]) {
3311	if (dim >= 0 \|\| (A.S[l] != 1 && B.S[l] != 1)) {
3312	throw new ILArgumentException("A and B must have the same size except for one simgleton dimension in A or B");
3313	}
3314	dim = l;
3315	}
3316	}
3317	if (dim > 1)
3318	throw new ILArgumentException("singleton dimension expansion currently is only supported for colum- and row vectors");
3319	dim = -(dim - 1); // 0 -> 1, 1 -> 0
3320	#endregion
3321
3322	#region parameter preparation
3323
3324	double[] retArr;
3325
3326	double[] arrA = A.GetArrayForRead();
3327
3328	double[] arrB = B.GetArrayForRead();
3329	ILSize outDims;
3330	BinOptItExMode mode;
3331	int workItemMultiplierLenA;
3332	int workItemMultiplierLenB;
3333	if (A.IsVector) {
3334	outDims = B.S;
3335	if (!B.TryGetStorage4InplaceOp(out retArr)) {
3336	retArr = ILMemoryPool.Pool.New<double>(outDims.NumberOfElements);
3337	mode = BinOptItExMode.VAN;
3338	} else {
3339	mode = BinOptItExMode.VAI;
3340	}
3341	workItemMultiplierLenB = outDims[0];
3342	workItemMultiplierLenA = dim; // 0 for column, 1 for row vector
3343	} else if (B.IsVector) {
3344	outDims = A.S;
3345	if (!A.TryGetStorage4InplaceOp(out retArr)) {
3346	retArr = ILMemoryPool.Pool.New<double>(outDims.NumberOfElements);
3347	mode = BinOptItExMode.AVN;
3348	} else {
3349	mode = BinOptItExMode.AVI;
3350	}
3351	workItemMultiplierLenB = dim; // 0 for column, 1 for row vector
3352	workItemMultiplierLenA = outDims[0];
3353	} else {
3354	throw new ILArgumentException("A and B must have the same size except for one singleton dimension in either A or B");
3355	}
3356	int itLen = outDims[0]; // (dim == 0) ? outDims.SequentialIndexDistance(1) : outDims.SequentialIndexDistance(0);
3357	#endregion
3358
3359	#region worker loops definition
3360	ILDenseStorage<double> retStorage = new ILDenseStorage<double>(retArr, outDims);
3361	int workerCount = 1;
3362	Action<object> worker = data => {
3363	// expects: iStart, iLen, ap, bp, cp
3364	Tuple<int, IntPtr, IntPtr, IntPtr> range =
3365	(Tuple<int, IntPtr, IntPtr, IntPtr>)data;
3366
3367	double* ap;
3368
3369	double* bp;
3370
3371	double* cp;
3372	switch (mode) {
3373	case BinOptItExMode.VAN:
3374	if (dim == 0) {
3375	bp = (double*)range.Item3;
3376	cp = (double*)range.Item4;
3377	for (int s = 0; s < range.Item1; s++) {
3378	ap = (double*)range.Item2;
3379	int l = itLen;
3380	while (l > 10) {
3381	cp[0] = (ap[0] % bp[0]);
3382	cp[1] = (ap[1] % bp[1]);
3383	cp[2] = (ap[2] % bp[2]);
3384	cp[3] = (ap[3] % bp[3]);
3385	cp[4] = (ap[4] % bp[4]);
3386	cp[5] = (ap[5] % bp[5]);
3387	cp[6] = (ap[6] % bp[6]);
3388	cp[7] = (ap[7] % bp[7]);
3389	cp[8] = (ap[8] % bp[8]);
3390	cp[9] = (ap[9] % bp[9]);
3391	cp[10] = (ap[10] % bp[10]);
3392	ap += 11;
3393	bp += 11;
3394	cp += 11;
3395	l -= 11;
3396	}
3397	while (l-- > 0) {
3398	cp++ = (ap++ % *bp++);
3399	}
3400	}
3401	} else {
3402	// dim == 1
3403	ap = (double*)range.Item2;
3404	bp = (double*)range.Item3;
3405	cp = (double*)range.Item4;
3406	for (int s = 0; s < range.Item1; s++) {
3407	double val = *ap++;
3408	int l = itLen;
3409	while (l > 10) {
3410	cp[0] = (val % bp[0]);
3411	cp[1] = (val % bp[1]);
3412	cp[2] = (val % bp[2]);
3413	cp[3] = (val % bp[3]);
3414	cp[4] = (val % bp[4]);
3415	cp[5] = (val % bp[5]);
3416	cp[6] = (val % bp[6]);
3417	cp[7] = (val % bp[7]);
3418	cp[8] = (val % bp[8]);
3419	cp[9] = (val % bp[9]);
3420	cp[10] = (val % bp[10]);
3421	bp += 11;
3422	cp += 11;
3423	l -= 11;
3424	}
3425	while (l-- > 0) {
3426	cp++ = (val % bp++);
3427	}
3428	}
3429	}
3430	break;
3431	case BinOptItExMode.VAI:
3432	if (dim == 0) {
3433	cp = (double*)range.Item4;
3434	for (int s = 0; s < range.Item1; s++) {
3435	ap = (double*)range.Item2;
3436	int l = itLen;
3437	while (l > 10) {
3438	cp[0] = (ap[0] % cp[0]);
3439	cp[1] = (ap[1] % cp[1]);
3440	cp[2] = (ap[2] % cp[2]);
3441	cp[3] = (ap[3] % cp[3]);
3442	cp[4] = (ap[4] % cp[4]);
3443	cp[5] = (ap[5] % cp[5]);
3444	cp[6] = (ap[6] % cp[6]);
3445	cp[7] = (ap[7] % cp[7]);
3446	cp[8] = (ap[8] % cp[8]);
3447	cp[9] = (ap[9] % cp[9]);
3448	cp[10] = (ap[10] % cp[10]);
3449	ap += 11;
3450	cp += 11;
3451	l -= 11;
3452	}
3453	while (l-- > 0) {
3454	cp = (ap++ % *cp);
3455	cp++;
3456	}
3457	}
3458	} else {
3459	// dim == 1
3460	cp = (double*)range.Item4;
3461	ap = (double*)range.Item2;
3462	for (int s = 0; s < range.Item1; s++) {
3463
3464	double val = *ap++;
3465	int l = itLen;
3466	while (l > 10) {
3467	cp[0] = (val % cp[0]);
3468	cp[1] = (val % cp[1]);
3469	cp[2] = (val % cp[2]);
3470	cp[3] = (val % cp[3]);
3471	cp[4] = (val % cp[4]);
3472	cp[5] = (val % cp[5]);
3473	cp[6] = (val % cp[6]);
3474	cp[7] = (val % cp[7]);
3475	cp[8] = (val % cp[8]);
3476	cp[9] = (val % cp[9]);
3477	cp[10] = (val % cp[10]);
3478	cp += 11;
3479	l -= 11;
3480	}
3481	while (l-- > 0) {
3482	cp = (val % cp);
3483	cp++;
3484	}
3485	}
3486	}
3487	break;
3488	case BinOptItExMode.AVN:
3489	if (dim == 0) {
3490	ap = (double*)range.Item2;
3491	cp = (double*)range.Item4;
3492	for (int s = 0; s < range.Item1; s++) {
3493	bp = (double*)range.Item3;
3494	int l = itLen;
3495	while (l > 10) {
3496	cp[0] = (ap[0] % bp[0]);
3497	cp[1] = (ap[1] % bp[1]);
3498	cp[2] = (ap[2] % bp[2]);
3499	cp[3] = (ap[3] % bp[3]);
3500	cp[4] = (ap[4] % bp[4]);
3501	cp[5] = (ap[5] % bp[5]);
3502	cp[6] = (ap[6] % bp[6]);
3503	cp[7] = (ap[7] % bp[7]);
3504	cp[8] = (ap[8] % bp[8]);
3505	cp[9] = (ap[9] % bp[9]);
3506	cp[10] = (ap[10] % bp[10]);
3507	ap += 11;
3508	bp += 11;
3509	cp += 11;
3510	l -= 11;
3511	}
3512	while (l-- > 0) {
3513	cp = (ap % *bp);
3514	ap++;
3515	bp++;
3516	cp++;
3517	}
3518	}
3519	} else {
3520	// dim = 1
3521	ap = (double*)range.Item2;
3522	bp = (double*)range.Item3;
3523	cp = (double*)range.Item4;
3524	for (int s = 0; s < range.Item1; s++) {
3525	double val = *bp++;
3526	int l = itLen;
3527	while (l > 10) {
3528	cp[0] = (ap[0] % val);
3529	cp[1] = (ap[1] % val);
3530	cp[2] = (ap[2] % val);
3531	cp[3] = (ap[3] % val);
3532	cp[4] = (ap[4] % val);
3533	cp[5] = (ap[5] % val);
3534	cp[6] = (ap[6] % val);
3535	cp[7] = (ap[7] % val);
3536	cp[8] = (ap[8] % val);
3537	cp[9] = (ap[9] % val);
3538	cp[10] = (ap[10] % val);
3539	ap += 11;
3540	cp += 11;
3541	l -= 11;
3542	}
3543	while (l-- > 0) {
3544	cp = (ap % val);
3545	ap++;
3546	cp++;
3547	}
3548	}
3549	}
3550	break;
3551	case BinOptItExMode.AVI:
3552	if (dim == 0) {
3553	cp = (double*)range.Item4;
3554	for (int s = 0; s < range.Item1; s++) {
3555	bp = (double*)range.Item3;
3556	int l = itLen;
3557	while (l > 10) {
3558	cp[0] = (cp[0] % bp[0]);
3559	cp[1] = (cp[1] % bp[1]);
3560	cp[2] = (cp[2] % bp[2]);
3561	cp[3] = (cp[3] % bp[3]);
3562	cp[4] = (cp[4] % bp[4]);
3563	cp[5] = (cp[5] % bp[5]);
3564	cp[6] = (cp[6] % bp[6]);
3565	cp[7] = (cp[7] % bp[7]);
3566	cp[8] = (cp[8] % bp[8]);
3567	cp[9] = (cp[9] % bp[9]);
3568	cp[10] = (cp[10] % bp[10]);
3569	bp += 11;
3570	cp += 11;
3571	l -= 11;
3572	}
3573	while (l-- > 0) {
3574	cp = (cp % *bp);
3575	bp++;
3576	cp++;
3577	}
3578	}
3579	} else {
3580	// dim = 1
3581	bp = (double*)range.Item3;
3582	cp = (double*)range.Item4;
3583	for (int s = 0; s < range.Item1; s++) {
3584
3585	double val = *bp++;
3586	int l = itLen;
3587	while (l > 10) {
3588	cp[0] = (cp[0] % val);
3589	cp[1] = (cp[1] % val);
3590	cp[2] = (cp[2] % val);
3591	cp[3] = (cp[3] % val);
3592	cp[4] = (cp[4] % val);
3593	cp[5] = (cp[5] % val);
3594	cp[6] = (cp[6] % val);
3595	cp[7] = (cp[7] % val);
3596	cp[8] = (cp[8] % val);
3597	cp[9] = (cp[9] % val);
3598	cp[10] = (cp[10] % val);
3599	cp += 11;
3600	l -= 11;
3601	}
3602	while (l --> 0) {
3603	cp = (cp % val);
3604	cp++;
3605	}
3606	}
3607	}
3608	break;
3609	}
3610	System.Threading.Interlocked.Decrement(ref workerCount);
3611	};
3612	#endregion
3613
3614	#region work distribution
3615	int i = 0, workItemCount = Settings.s_maxNumberThreads, workItemLength;
3616	if (Settings.s_maxNumberThreads > 1 && outDims.NumberOfElements >= Settings.s_minParallelElement1Count
3617	&& outDims[1] > 1) {
3618	if (outDims[1] > workItemCount) {
3619	workItemLength = outDims[1] / workItemCount;
3620	} else {
3621	workItemLength = outDims[1] / 2;
3622	workItemCount = 2;
3623	}
3624	} else {
3625	workItemLength = outDims[1];
3626	workItemCount = 1;
3627	}
3628
3629	fixed ( double* arrAP = arrA)
3630	fixed ( double* arrBP = arrB)
3631	fixed ( double* retArrP = retArr) {
3632
3633	for (; i < workItemCount - 1; i++) {
3634	Tuple<int, IntPtr, IntPtr, IntPtr> range = new Tuple<int, IntPtr, IntPtr, IntPtr>
3635	(workItemLength
3636	, (IntPtr)(arrAP + i * workItemMultiplierLenA * workItemLength)
3637	, (IntPtr)(arrBP + i * workItemMultiplierLenB * workItemLength)
3638	, (IntPtr)(retArrP + i * outDims[0] * workItemLength));
3639	System.Threading.Interlocked.Increment(ref workerCount);
3640	ILThreadPool.QueueUserWorkItem(i, worker, range);
3641	}
3642	// the last (or may the only) chunk is done right here
3643	//System.Threading.Interlocked.Increment(ref retStorage.PendingTasks);
3644	worker(new Tuple<int, IntPtr, IntPtr, IntPtr>
3645	(outDims[1] - i * workItemLength
3646	, (IntPtr)(arrAP + i * workItemMultiplierLenA * workItemLength)
3647	, (IntPtr)(arrBP + i * workItemMultiplierLenB * workItemLength)
3648	, (IntPtr)(retArrP + i * outDims[0] * workItemLength)));
3649
3650	ILThreadPool.Wait4Workers(ref workerCount);
3651	}
3652	#endregion
3653
3654	return new ILRetArray<double>(retStorage);
3655	//} // no scopes here! it disables implace operations
3656	}
3657
3658
3659	#endregion HYCALPER AUTO GENERATED CODE
3660
3661	}
3662	}

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