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source: branches/HeuristicLab.Problems.GaussianProcessTuning/ILNumerics.2.14.4735.573/Functions/builtin/acos.cs @ 9102

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Last change on this file since 9102 was 9102, checked in by gkronber, 11 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 System.Collections.Generic;
42	using System.Text;
43	using ILNumerics;
44	using ILNumerics.Exceptions;
45	using ILNumerics.Storage;
46	using ILNumerics.Misc;
47
48
49	namespace ILNumerics {
50	public partial class ILMath {
51
52
53
54	#region HYCALPER AUTO GENERATED CODE
55
56	/// <summary>Arccosine of array elements - complex output</summary>
57	/// <param name="A">Input array</param>
58	/// <returns>Arccosine of array elements - complex output</returns>
59	/// <remarks><para>If the input array is empty, an empty array will be returned.</para>
60	/// <para>The array returned will be a dense array.</para></remarks>
61	public unsafe static ILRetArray<complex> acosc (ILInArray< double > A) {
62	using (ILScope.Enter(A)) {
63	if (A.IsEmpty)
64	return new ILRetArray<complex>(A.Size);
65	ILSize inDim = A.Size;
66	double[] arrA = A.GetArrayForRead();
67	complex [] retArr;
68	int outLen = inDim.NumberOfElements;
69	bool inplace = true;
70
71	if (true){
72	retArr = ILMemoryPool.Pool.New<complex>(outLen);
73	inplace = false;
74	}
75	int i = 0, workItemCount = Settings.s_maxNumberThreads, workItemLength, workerCount = 1;
76	if (Settings.s_maxNumberThreads > 1 && outLen / 2 > Settings.s_minParallelElement1Count) {
77	if (outLen / workItemCount > Settings.s_minParallelElement1Count) {
78	workItemLength = outLen / workItemCount;
79	//workItemLength = (int)((double)outLen / workItemCount * 1.05);
80	} else {
81	workItemLength = outLen / 2;
82	workItemCount = 2;
83	}
84	} else {
85	workItemLength = outLen;
86	workItemCount = 1;
87	}
88	ILDenseStorage<complex> retStorage = new ILDenseStorage<complex>(retArr, inDim);
89
90	Action<object> worker = data => {
91	Tuple<int, int, IntPtr, IntPtr, bool> range = (Tuple<int, int, IntPtr, IntPtr, bool>)data;
92
93	complex* cp = ((complex*)range.Item4 + range.Item1);
94	int len = range.Item2;
95	if (range.Item5) {
96	// inplace
97	while (len > 20) {
98	cp[0] = complex.Acos(cp[0] ) /dummy/;
99	cp[1] = complex.Acos(cp[1] ) /dummy/;
100	cp[2] = complex.Acos(cp[2] ) /dummy/;
101	cp[3] = complex.Acos(cp[3] ) /dummy/;
102	cp[4] = complex.Acos(cp[4] ) /dummy/;
103	cp[5] = complex.Acos(cp[5] ) /dummy/;
104	cp[6] = complex.Acos(cp[6] ) /dummy/;
105	cp[7] = complex.Acos(cp[7] ) /dummy/;
106	cp[8] = complex.Acos(cp[8] ) /dummy/;
107	cp[9] = complex.Acos(cp[9] ) /dummy/;
108	cp[10] = complex.Acos(cp[10] ) /dummy/;
109	cp[11] = complex.Acos(cp[11] ) /dummy/;
110	cp[12] = complex.Acos(cp[12] ) /dummy/;
111	cp[13] = complex.Acos(cp[13] ) /dummy/;
112	cp[14] = complex.Acos(cp[14] ) /dummy/;
113	cp[15] = complex.Acos(cp[15] ) /dummy/;
114	cp[16] = complex.Acos(cp[16] ) /dummy/;
115	cp[17] = complex.Acos(cp[17] ) /dummy/;
116	cp[18] = complex.Acos(cp[18] ) /dummy/;
117	cp[19] = complex.Acos(cp[19] ) /dummy/;
118	cp[20] = complex.Acos(cp[20] ) /dummy/;
119	cp+=21; len -= 21;
120	}
121	while (len-- > 0) {
122	cp = complex.Acos(cp ) /dummy/;
123	cp++;
124	}
125	} else {
126	double* ap = ((double*)range.Item3 + range.Item1);
127	while (len > 20) {
128	cp[0] = complex.Acos(ap[0] ) /dummy/;
129	cp[1] = complex.Acos(ap[1] ) /dummy/;
130	cp[2] = complex.Acos(ap[2] ) /dummy/;
131	cp[3] = complex.Acos(ap[3] ) /dummy/;
132	cp[4] = complex.Acos(ap[4] ) /dummy/;
133	cp[5] = complex.Acos(ap[5] ) /dummy/;
134	cp[6] = complex.Acos(ap[6] ) /dummy/;
135	cp[7] = complex.Acos(ap[7] ) /dummy/;
136	cp[8] = complex.Acos(ap[8] ) /dummy/;
137	cp[9] = complex.Acos(ap[9] ) /dummy/;
138	cp[10] = complex.Acos(ap[10] ) /dummy/;
139	cp[11] = complex.Acos(ap[11] ) /dummy/;
140	cp[12] = complex.Acos(ap[12] ) /dummy/;
141	cp[13] = complex.Acos(ap[13] ) /dummy/;
142	cp[14] = complex.Acos(ap[14] ) /dummy/;
143	cp[15] = complex.Acos(ap[15] ) /dummy/;
144	cp[16] = complex.Acos(ap[16] ) /dummy/;
145	cp[17] = complex.Acos(ap[17] ) /dummy/;
146	cp[18] = complex.Acos(ap[18] ) /dummy/;
147	cp[19] = complex.Acos(ap[19] ) /dummy/;
148	cp[20] = complex.Acos(ap[20] ) /dummy/;
149	ap += 21;
150	cp += 21;
151	len -= 21;
152	}
153	while (len-- > 0) {
154	cp = complex.Acos(ap ) /dummy/;
155	ap++;
156	cp++;
157	}
158	}
159	System.Threading.Interlocked.Decrement(ref workerCount);
160	};
161
162	fixed ( double* arrAP = arrA)
163	fixed ( complex* retArrP = retArr) {
164	for (; i < workItemCount - 1; i++) {
165	Tuple<int, int, IntPtr, IntPtr, bool> range
166	= new Tuple<int, int, IntPtr, IntPtr, bool>
167	(i * workItemLength, workItemLength, (IntPtr)arrAP, (IntPtr)retArrP, inplace);
168	System.Threading.Interlocked.Increment(ref workerCount);
169	ILThreadPool.QueueUserWorkItem(i,worker, range);
170	}
171	// the last (or may the only) chunk is done right here
172	worker(new Tuple<int, int, IntPtr, IntPtr, bool>
173	(i * workItemLength, outLen - i * workItemLength, (IntPtr)arrAP, (IntPtr)retArrP, inplace));
174
175	ILThreadPool.Wait4Workers(ref workerCount);
176	}
177	return new ILRetArray<complex>(retStorage);
178	}
179	}
180	/// <summary>Arccosine of array elements - complex output</summary>
181	/// <param name="A">Input array</param>
182	/// <returns>Arccosine of array elements - complex output</returns>
183	/// <remarks><para>If the input array is empty, an empty array will be returned.</para>
184	/// <para>The array returned will be a dense array.</para></remarks>
185	public unsafe static ILRetArray<fcomplex> acosc (ILInArray< float > A) {
186	using (ILScope.Enter(A)) {
187	if (A.IsEmpty)
188	return new ILRetArray<fcomplex>(A.Size);
189	ILSize inDim = A.Size;
190	float[] arrA = A.GetArrayForRead();
191	fcomplex [] retArr;
192	int outLen = inDim.NumberOfElements;
193	bool inplace = true;
194
195	if (true){
196	retArr = ILMemoryPool.Pool.New<fcomplex>(outLen);
197	inplace = false;
198	}
199	int i = 0, workItemCount = Settings.s_maxNumberThreads, workItemLength, workerCount = 1;
200	if (Settings.s_maxNumberThreads > 1 && outLen / 2 > Settings.s_minParallelElement1Count) {
201	if (outLen / workItemCount > Settings.s_minParallelElement1Count) {
202	workItemLength = outLen / workItemCount;
203	//workItemLength = (int)((double)outLen / workItemCount * 1.05);
204	} else {
205	workItemLength = outLen / 2;
206	workItemCount = 2;
207	}
208	} else {
209	workItemLength = outLen;
210	workItemCount = 1;
211	}
212	ILDenseStorage<fcomplex> retStorage = new ILDenseStorage<fcomplex>(retArr, inDim);
213
214	Action<object> worker = data => {
215	Tuple<int, int, IntPtr, IntPtr, bool> range = (Tuple<int, int, IntPtr, IntPtr, bool>)data;
216
217	fcomplex* cp = ((fcomplex*)range.Item4 + range.Item1);
218	int len = range.Item2;
219	if (range.Item5) {
220	// inplace
221	while (len > 20) {
222	cp[0] = fcomplex.Acos(cp[0] ) /dummy/;
223	cp[1] = fcomplex.Acos(cp[1] ) /dummy/;
224	cp[2] = fcomplex.Acos(cp[2] ) /dummy/;
225	cp[3] = fcomplex.Acos(cp[3] ) /dummy/;
226	cp[4] = fcomplex.Acos(cp[4] ) /dummy/;
227	cp[5] = fcomplex.Acos(cp[5] ) /dummy/;
228	cp[6] = fcomplex.Acos(cp[6] ) /dummy/;
229	cp[7] = fcomplex.Acos(cp[7] ) /dummy/;
230	cp[8] = fcomplex.Acos(cp[8] ) /dummy/;
231	cp[9] = fcomplex.Acos(cp[9] ) /dummy/;
232	cp[10] = fcomplex.Acos(cp[10] ) /dummy/;
233	cp[11] = fcomplex.Acos(cp[11] ) /dummy/;
234	cp[12] = fcomplex.Acos(cp[12] ) /dummy/;
235	cp[13] = fcomplex.Acos(cp[13] ) /dummy/;
236	cp[14] = fcomplex.Acos(cp[14] ) /dummy/;
237	cp[15] = fcomplex.Acos(cp[15] ) /dummy/;
238	cp[16] = fcomplex.Acos(cp[16] ) /dummy/;
239	cp[17] = fcomplex.Acos(cp[17] ) /dummy/;
240	cp[18] = fcomplex.Acos(cp[18] ) /dummy/;
241	cp[19] = fcomplex.Acos(cp[19] ) /dummy/;
242	cp[20] = fcomplex.Acos(cp[20] ) /dummy/;
243	cp+=21; len -= 21;
244	}
245	while (len-- > 0) {
246	cp = fcomplex.Acos(cp ) /dummy/;
247	cp++;
248	}
249	} else {
250	float* ap = ((float*)range.Item3 + range.Item1);
251	while (len > 20) {
252	cp[0] = fcomplex.Acos(ap[0] ) /dummy/;
253	cp[1] = fcomplex.Acos(ap[1] ) /dummy/;
254	cp[2] = fcomplex.Acos(ap[2] ) /dummy/;
255	cp[3] = fcomplex.Acos(ap[3] ) /dummy/;
256	cp[4] = fcomplex.Acos(ap[4] ) /dummy/;
257	cp[5] = fcomplex.Acos(ap[5] ) /dummy/;
258	cp[6] = fcomplex.Acos(ap[6] ) /dummy/;
259	cp[7] = fcomplex.Acos(ap[7] ) /dummy/;
260	cp[8] = fcomplex.Acos(ap[8] ) /dummy/;
261	cp[9] = fcomplex.Acos(ap[9] ) /dummy/;
262	cp[10] = fcomplex.Acos(ap[10] ) /dummy/;
263	cp[11] = fcomplex.Acos(ap[11] ) /dummy/;
264	cp[12] = fcomplex.Acos(ap[12] ) /dummy/;
265	cp[13] = fcomplex.Acos(ap[13] ) /dummy/;
266	cp[14] = fcomplex.Acos(ap[14] ) /dummy/;
267	cp[15] = fcomplex.Acos(ap[15] ) /dummy/;
268	cp[16] = fcomplex.Acos(ap[16] ) /dummy/;
269	cp[17] = fcomplex.Acos(ap[17] ) /dummy/;
270	cp[18] = fcomplex.Acos(ap[18] ) /dummy/;
271	cp[19] = fcomplex.Acos(ap[19] ) /dummy/;
272	cp[20] = fcomplex.Acos(ap[20] ) /dummy/;
273	ap += 21;
274	cp += 21;
275	len -= 21;
276	}
277	while (len-- > 0) {
278	cp = fcomplex.Acos(ap ) /dummy/;
279	ap++;
280	cp++;
281	}
282	}
283	System.Threading.Interlocked.Decrement(ref workerCount);
284	};
285
286	fixed ( float* arrAP = arrA)
287	fixed ( fcomplex* retArrP = retArr) {
288	for (; i < workItemCount - 1; i++) {
289	Tuple<int, int, IntPtr, IntPtr, bool> range
290	= new Tuple<int, int, IntPtr, IntPtr, bool>
291	(i * workItemLength, workItemLength, (IntPtr)arrAP, (IntPtr)retArrP, inplace);
292	System.Threading.Interlocked.Increment(ref workerCount);
293	ILThreadPool.QueueUserWorkItem(i,worker, range);
294	}
295	// the last (or may the only) chunk is done right here
296	worker(new Tuple<int, int, IntPtr, IntPtr, bool>
297	(i * workItemLength, outLen - i * workItemLength, (IntPtr)arrAP, (IntPtr)retArrP, inplace));
298
299	ILThreadPool.Wait4Workers(ref workerCount);
300	}
301	return new ILRetArray<fcomplex>(retStorage);
302	}
303	}
304	/// <summary>Arccosine values of array elements</summary>
305	/// <param name="A">Input array</param>
306	/// <returns>Arccosine of array elements</returns>
307	/// <remarks><para>If the input array is empty, an empty array will be returned.</para>
308	/// <para>The array returned will be a dense array.</para></remarks>
309	public unsafe static ILRetArray<complex> acos (ILInArray< complex > A) {
310	using (ILScope.Enter(A)) {
311	if (A.IsEmpty)
312	return new ILRetArray<complex>(A.Size);
313	ILSize inDim = A.Size;
314	complex[] arrA = A.GetArrayForRead();
315	complex [] retArr;
316	int outLen = inDim.NumberOfElements;
317	bool inplace = true;
318
319	if (!A.TryGetStorage4InplaceOp(out retArr)) {
320	retArr = ILMemoryPool.Pool.New<complex>(outLen);
321	inplace = false;
322	}
323	int i = 0, workItemCount = Settings.s_maxNumberThreads, workItemLength, workerCount = 1;
324	if (Settings.s_maxNumberThreads > 1 && outLen / 2 > Settings.s_minParallelElement1Count) {
325	if (outLen / workItemCount > Settings.s_minParallelElement1Count) {
326	workItemLength = outLen / workItemCount;
327	//workItemLength = (int)((double)outLen / workItemCount * 1.05);
328	} else {
329	workItemLength = outLen / 2;
330	workItemCount = 2;
331	}
332	} else {
333	workItemLength = outLen;
334	workItemCount = 1;
335	}
336	ILDenseStorage<complex> retStorage = new ILDenseStorage<complex>(retArr, inDim);
337
338	Action<object> worker = data => {
339	Tuple<int, int, IntPtr, IntPtr, bool> range = (Tuple<int, int, IntPtr, IntPtr, bool>)data;
340
341	complex* cp = ((complex*)range.Item4 + range.Item1);
342	int len = range.Item2;
343	if (range.Item5) {
344	// inplace
345	while (len > 20) {
346	cp[0] = complex.Acos(cp[0] ) /dummy/;
347	cp[1] = complex.Acos(cp[1] ) /dummy/;
348	cp[2] = complex.Acos(cp[2] ) /dummy/;
349	cp[3] = complex.Acos(cp[3] ) /dummy/;
350	cp[4] = complex.Acos(cp[4] ) /dummy/;
351	cp[5] = complex.Acos(cp[5] ) /dummy/;
352	cp[6] = complex.Acos(cp[6] ) /dummy/;
353	cp[7] = complex.Acos(cp[7] ) /dummy/;
354	cp[8] = complex.Acos(cp[8] ) /dummy/;
355	cp[9] = complex.Acos(cp[9] ) /dummy/;
356	cp[10] = complex.Acos(cp[10] ) /dummy/;
357	cp[11] = complex.Acos(cp[11] ) /dummy/;
358	cp[12] = complex.Acos(cp[12] ) /dummy/;
359	cp[13] = complex.Acos(cp[13] ) /dummy/;
360	cp[14] = complex.Acos(cp[14] ) /dummy/;
361	cp[15] = complex.Acos(cp[15] ) /dummy/;
362	cp[16] = complex.Acos(cp[16] ) /dummy/;
363	cp[17] = complex.Acos(cp[17] ) /dummy/;
364	cp[18] = complex.Acos(cp[18] ) /dummy/;
365	cp[19] = complex.Acos(cp[19] ) /dummy/;
366	cp[20] = complex.Acos(cp[20] ) /dummy/;
367	cp+=21; len -= 21;
368	}
369	while (len-- > 0) {
370	cp = complex.Acos(cp ) /dummy/;
371	cp++;
372	}
373	} else {
374	complex* ap = ((complex*)range.Item3 + range.Item1);
375	while (len > 20) {
376	cp[0] = complex.Acos(ap[0] ) /dummy/;
377	cp[1] = complex.Acos(ap[1] ) /dummy/;
378	cp[2] = complex.Acos(ap[2] ) /dummy/;
379	cp[3] = complex.Acos(ap[3] ) /dummy/;
380	cp[4] = complex.Acos(ap[4] ) /dummy/;
381	cp[5] = complex.Acos(ap[5] ) /dummy/;
382	cp[6] = complex.Acos(ap[6] ) /dummy/;
383	cp[7] = complex.Acos(ap[7] ) /dummy/;
384	cp[8] = complex.Acos(ap[8] ) /dummy/;
385	cp[9] = complex.Acos(ap[9] ) /dummy/;
386	cp[10] = complex.Acos(ap[10] ) /dummy/;
387	cp[11] = complex.Acos(ap[11] ) /dummy/;
388	cp[12] = complex.Acos(ap[12] ) /dummy/;
389	cp[13] = complex.Acos(ap[13] ) /dummy/;
390	cp[14] = complex.Acos(ap[14] ) /dummy/;
391	cp[15] = complex.Acos(ap[15] ) /dummy/;
392	cp[16] = complex.Acos(ap[16] ) /dummy/;
393	cp[17] = complex.Acos(ap[17] ) /dummy/;
394	cp[18] = complex.Acos(ap[18] ) /dummy/;
395	cp[19] = complex.Acos(ap[19] ) /dummy/;
396	cp[20] = complex.Acos(ap[20] ) /dummy/;
397	ap += 21;
398	cp += 21;
399	len -= 21;
400	}
401	while (len-- > 0) {
402	cp = complex.Acos(ap ) /dummy/;
403	ap++;
404	cp++;
405	}
406	}
407	System.Threading.Interlocked.Decrement(ref workerCount);
408	};
409
410	fixed ( complex* arrAP = arrA)
411	fixed ( complex* retArrP = retArr) {
412	for (; i < workItemCount - 1; i++) {
413	Tuple<int, int, IntPtr, IntPtr, bool> range
414	= new Tuple<int, int, IntPtr, IntPtr, bool>
415	(i * workItemLength, workItemLength, (IntPtr)arrAP, (IntPtr)retArrP, inplace);
416	System.Threading.Interlocked.Increment(ref workerCount);
417	ILThreadPool.QueueUserWorkItem(i,worker, range);
418	}
419	// the last (or may the only) chunk is done right here
420	worker(new Tuple<int, int, IntPtr, IntPtr, bool>
421	(i * workItemLength, outLen - i * workItemLength, (IntPtr)arrAP, (IntPtr)retArrP, inplace));
422
423	ILThreadPool.Wait4Workers(ref workerCount);
424	}
425	return new ILRetArray<complex>(retStorage);
426	}
427	}
428	/// <summary>Arccosine values of array elements</summary>
429	/// <param name="A">Input array</param>
430	/// <returns>Arccosine of array elements</returns>
431	/// <remarks><para>If the input array is empty, an empty array will be returned.</para>
432	/// <para>The array returned will be a dense array.</para></remarks>
433	public unsafe static ILRetArray<fcomplex> acos (ILInArray< fcomplex > A) {
434	using (ILScope.Enter(A)) {
435	if (A.IsEmpty)
436	return new ILRetArray<fcomplex>(A.Size);
437	ILSize inDim = A.Size;
438	fcomplex[] arrA = A.GetArrayForRead();
439	fcomplex [] retArr;
440	int outLen = inDim.NumberOfElements;
441	bool inplace = true;
442
443	if (!A.TryGetStorage4InplaceOp(out retArr)) {
444	retArr = ILMemoryPool.Pool.New<fcomplex>(outLen);
445	inplace = false;
446	}
447	int i = 0, workItemCount = Settings.s_maxNumberThreads, workItemLength, workerCount = 1;
448	if (Settings.s_maxNumberThreads > 1 && outLen / 2 > Settings.s_minParallelElement1Count) {
449	if (outLen / workItemCount > Settings.s_minParallelElement1Count) {
450	workItemLength = outLen / workItemCount;
451	//workItemLength = (int)((double)outLen / workItemCount * 1.05);
452	} else {
453	workItemLength = outLen / 2;
454	workItemCount = 2;
455	}
456	} else {
457	workItemLength = outLen;
458	workItemCount = 1;
459	}
460	ILDenseStorage<fcomplex> retStorage = new ILDenseStorage<fcomplex>(retArr, inDim);
461
462	Action<object> worker = data => {
463	Tuple<int, int, IntPtr, IntPtr, bool> range = (Tuple<int, int, IntPtr, IntPtr, bool>)data;
464
465	fcomplex* cp = ((fcomplex*)range.Item4 + range.Item1);
466	int len = range.Item2;
467	if (range.Item5) {
468	// inplace
469	while (len > 20) {
470	cp[0] = fcomplex.Acos(cp[0] ) /dummy/;
471	cp[1] = fcomplex.Acos(cp[1] ) /dummy/;
472	cp[2] = fcomplex.Acos(cp[2] ) /dummy/;
473	cp[3] = fcomplex.Acos(cp[3] ) /dummy/;
474	cp[4] = fcomplex.Acos(cp[4] ) /dummy/;
475	cp[5] = fcomplex.Acos(cp[5] ) /dummy/;
476	cp[6] = fcomplex.Acos(cp[6] ) /dummy/;
477	cp[7] = fcomplex.Acos(cp[7] ) /dummy/;
478	cp[8] = fcomplex.Acos(cp[8] ) /dummy/;
479	cp[9] = fcomplex.Acos(cp[9] ) /dummy/;
480	cp[10] = fcomplex.Acos(cp[10] ) /dummy/;
481	cp[11] = fcomplex.Acos(cp[11] ) /dummy/;
482	cp[12] = fcomplex.Acos(cp[12] ) /dummy/;
483	cp[13] = fcomplex.Acos(cp[13] ) /dummy/;
484	cp[14] = fcomplex.Acos(cp[14] ) /dummy/;
485	cp[15] = fcomplex.Acos(cp[15] ) /dummy/;
486	cp[16] = fcomplex.Acos(cp[16] ) /dummy/;
487	cp[17] = fcomplex.Acos(cp[17] ) /dummy/;
488	cp[18] = fcomplex.Acos(cp[18] ) /dummy/;
489	cp[19] = fcomplex.Acos(cp[19] ) /dummy/;
490	cp[20] = fcomplex.Acos(cp[20] ) /dummy/;
491	cp+=21; len -= 21;
492	}
493	while (len-- > 0) {
494	cp = fcomplex.Acos(cp ) /dummy/;
495	cp++;
496	}
497	} else {
498	fcomplex* ap = ((fcomplex*)range.Item3 + range.Item1);
499	while (len > 20) {
500	cp[0] = fcomplex.Acos(ap[0] ) /dummy/;
501	cp[1] = fcomplex.Acos(ap[1] ) /dummy/;
502	cp[2] = fcomplex.Acos(ap[2] ) /dummy/;
503	cp[3] = fcomplex.Acos(ap[3] ) /dummy/;
504	cp[4] = fcomplex.Acos(ap[4] ) /dummy/;
505	cp[5] = fcomplex.Acos(ap[5] ) /dummy/;
506	cp[6] = fcomplex.Acos(ap[6] ) /dummy/;
507	cp[7] = fcomplex.Acos(ap[7] ) /dummy/;
508	cp[8] = fcomplex.Acos(ap[8] ) /dummy/;
509	cp[9] = fcomplex.Acos(ap[9] ) /dummy/;
510	cp[10] = fcomplex.Acos(ap[10] ) /dummy/;
511	cp[11] = fcomplex.Acos(ap[11] ) /dummy/;
512	cp[12] = fcomplex.Acos(ap[12] ) /dummy/;
513	cp[13] = fcomplex.Acos(ap[13] ) /dummy/;
514	cp[14] = fcomplex.Acos(ap[14] ) /dummy/;
515	cp[15] = fcomplex.Acos(ap[15] ) /dummy/;
516	cp[16] = fcomplex.Acos(ap[16] ) /dummy/;
517	cp[17] = fcomplex.Acos(ap[17] ) /dummy/;
518	cp[18] = fcomplex.Acos(ap[18] ) /dummy/;
519	cp[19] = fcomplex.Acos(ap[19] ) /dummy/;
520	cp[20] = fcomplex.Acos(ap[20] ) /dummy/;
521	ap += 21;
522	cp += 21;
523	len -= 21;
524	}
525	while (len-- > 0) {
526	cp = fcomplex.Acos(ap ) /dummy/;
527	ap++;
528	cp++;
529	}
530	}
531	System.Threading.Interlocked.Decrement(ref workerCount);
532	};
533
534	fixed ( fcomplex* arrAP = arrA)
535	fixed ( fcomplex* retArrP = retArr) {
536	for (; i < workItemCount - 1; i++) {
537	Tuple<int, int, IntPtr, IntPtr, bool> range
538	= new Tuple<int, int, IntPtr, IntPtr, bool>
539	(i * workItemLength, workItemLength, (IntPtr)arrAP, (IntPtr)retArrP, inplace);
540	System.Threading.Interlocked.Increment(ref workerCount);
541	ILThreadPool.QueueUserWorkItem(i,worker, range);
542	}
543	// the last (or may the only) chunk is done right here
544	worker(new Tuple<int, int, IntPtr, IntPtr, bool>
545	(i * workItemLength, outLen - i * workItemLength, (IntPtr)arrAP, (IntPtr)retArrP, inplace));
546
547	ILThreadPool.Wait4Workers(ref workerCount);
548	}
549	return new ILRetArray<fcomplex>(retStorage);
550	}
551	}
552	/// <summary>Arccosine of array elements - real output</summary>
553	/// <param name="A">Input array</param>
554	/// <returns>Arccosine of array elements - real output</returns>
555	/// <remarks><para>If the input array is empty, an empty array will be returned.</para>
556	/// <para>The array returned will be a dense array.</para></remarks>
557	public unsafe static ILRetArray<float> acos (ILInArray< float > A) {
558	using (ILScope.Enter(A)) {
559	if (A.IsEmpty)
560	return new ILRetArray<float>(A.Size);
561	ILSize inDim = A.Size;
562	float[] arrA = A.GetArrayForRead();
563	float [] retArr;
564	int outLen = inDim.NumberOfElements;
565	bool inplace = true;
566
567	if (!A.TryGetStorage4InplaceOp(out retArr)) {
568	retArr = ILMemoryPool.Pool.New<float>(outLen);
569	inplace = false;
570	}
571	int i = 0, workItemCount = Settings.s_maxNumberThreads, workItemLength, workerCount = 1;
572	if (Settings.s_maxNumberThreads > 1 && outLen / 2 > Settings.s_minParallelElement1Count) {
573	if (outLen / workItemCount > Settings.s_minParallelElement1Count) {
574	workItemLength = outLen / workItemCount;
575	//workItemLength = (int)((double)outLen / workItemCount * 1.05);
576	} else {
577	workItemLength = outLen / 2;
578	workItemCount = 2;
579	}
580	} else {
581	workItemLength = outLen;
582	workItemCount = 1;
583	}
584	ILDenseStorage<float> retStorage = new ILDenseStorage<float>(retArr, inDim);
585
586	Action<object> worker = data => {
587	Tuple<int, int, IntPtr, IntPtr, bool> range = (Tuple<int, int, IntPtr, IntPtr, bool>)data;
588
589	float* cp = ((float*)range.Item4 + range.Item1);
590	int len = range.Item2;
591	if (range.Item5) {
592	// inplace
593	while (len > 20) {
594	cp[0] = (float)Math.Acos(cp[0] ) /dummy/;
595	cp[1] = (float)Math.Acos(cp[1] ) /dummy/;
596	cp[2] = (float)Math.Acos(cp[2] ) /dummy/;
597	cp[3] = (float)Math.Acos(cp[3] ) /dummy/;
598	cp[4] = (float)Math.Acos(cp[4] ) /dummy/;
599	cp[5] = (float)Math.Acos(cp[5] ) /dummy/;
600	cp[6] = (float)Math.Acos(cp[6] ) /dummy/;
601	cp[7] = (float)Math.Acos(cp[7] ) /dummy/;
602	cp[8] = (float)Math.Acos(cp[8] ) /dummy/;
603	cp[9] = (float)Math.Acos(cp[9] ) /dummy/;
604	cp[10] = (float)Math.Acos(cp[10] ) /dummy/;
605	cp[11] = (float)Math.Acos(cp[11] ) /dummy/;
606	cp[12] = (float)Math.Acos(cp[12] ) /dummy/;
607	cp[13] = (float)Math.Acos(cp[13] ) /dummy/;
608	cp[14] = (float)Math.Acos(cp[14] ) /dummy/;
609	cp[15] = (float)Math.Acos(cp[15] ) /dummy/;
610	cp[16] = (float)Math.Acos(cp[16] ) /dummy/;
611	cp[17] = (float)Math.Acos(cp[17] ) /dummy/;
612	cp[18] = (float)Math.Acos(cp[18] ) /dummy/;
613	cp[19] = (float)Math.Acos(cp[19] ) /dummy/;
614	cp[20] = (float)Math.Acos(cp[20] ) /dummy/;
615	cp+=21; len -= 21;
616	}
617	while (len-- > 0) {
618	cp = (float)Math.Acos(cp ) /dummy/;
619	cp++;
620	}
621	} else {
622	float* ap = ((float*)range.Item3 + range.Item1);
623	while (len > 20) {
624	cp[0] = (float)Math.Acos(ap[0] ) /dummy/;
625	cp[1] = (float)Math.Acos(ap[1] ) /dummy/;
626	cp[2] = (float)Math.Acos(ap[2] ) /dummy/;
627	cp[3] = (float)Math.Acos(ap[3] ) /dummy/;
628	cp[4] = (float)Math.Acos(ap[4] ) /dummy/;
629	cp[5] = (float)Math.Acos(ap[5] ) /dummy/;
630	cp[6] = (float)Math.Acos(ap[6] ) /dummy/;
631	cp[7] = (float)Math.Acos(ap[7] ) /dummy/;
632	cp[8] = (float)Math.Acos(ap[8] ) /dummy/;
633	cp[9] = (float)Math.Acos(ap[9] ) /dummy/;
634	cp[10] = (float)Math.Acos(ap[10] ) /dummy/;
635	cp[11] = (float)Math.Acos(ap[11] ) /dummy/;
636	cp[12] = (float)Math.Acos(ap[12] ) /dummy/;
637	cp[13] = (float)Math.Acos(ap[13] ) /dummy/;
638	cp[14] = (float)Math.Acos(ap[14] ) /dummy/;
639	cp[15] = (float)Math.Acos(ap[15] ) /dummy/;
640	cp[16] = (float)Math.Acos(ap[16] ) /dummy/;
641	cp[17] = (float)Math.Acos(ap[17] ) /dummy/;
642	cp[18] = (float)Math.Acos(ap[18] ) /dummy/;
643	cp[19] = (float)Math.Acos(ap[19] ) /dummy/;
644	cp[20] = (float)Math.Acos(ap[20] ) /dummy/;
645	ap += 21;
646	cp += 21;
647	len -= 21;
648	}
649	while (len-- > 0) {
650	cp = (float)Math.Acos(ap ) /dummy/;
651	ap++;
652	cp++;
653	}
654	}
655	System.Threading.Interlocked.Decrement(ref workerCount);
656	};
657
658	fixed ( float* arrAP = arrA)
659	fixed ( float* retArrP = retArr) {
660	for (; i < workItemCount - 1; i++) {
661	Tuple<int, int, IntPtr, IntPtr, bool> range
662	= new Tuple<int, int, IntPtr, IntPtr, bool>
663	(i * workItemLength, workItemLength, (IntPtr)arrAP, (IntPtr)retArrP, inplace);
664	System.Threading.Interlocked.Increment(ref workerCount);
665	ILThreadPool.QueueUserWorkItem(i,worker, range);
666	}
667	// the last (or may the only) chunk is done right here
668	worker(new Tuple<int, int, IntPtr, IntPtr, bool>
669	(i * workItemLength, outLen - i * workItemLength, (IntPtr)arrAP, (IntPtr)retArrP, inplace));
670
671	ILThreadPool.Wait4Workers(ref workerCount);
672	}
673	return new ILRetArray<float>(retStorage);
674	}
675	}
676	/// <summary>Arccosine of array elements - real output</summary>
677	/// <param name="A">Input array</param>
678	/// <returns>Arccosine of array elements - real output</returns>
679	/// <remarks><para>If the input array is empty, an empty array will be returned.</para>
680	/// <para>The array returned will be a dense array.</para></remarks>
681	public unsafe static ILRetArray<double> acos (ILInArray< double > A) {
682	using (ILScope.Enter(A)) {
683	if (A.IsEmpty)
684	return new ILRetArray<double>(A.Size);
685	ILSize inDim = A.Size;
686	double[] arrA = A.GetArrayForRead();
687	double [] retArr;
688	int outLen = inDim.NumberOfElements;
689	bool inplace = true;
690
691	if (!A.TryGetStorage4InplaceOp(out retArr)) {
692	retArr = ILMemoryPool.Pool.New<double>(outLen);
693	inplace = false;
694	}
695	int i = 0, workItemCount = Settings.s_maxNumberThreads, workItemLength, workerCount = 1;
696	if (Settings.s_maxNumberThreads > 1 && outLen / 2 > Settings.s_minParallelElement1Count) {
697	if (outLen / workItemCount > Settings.s_minParallelElement1Count) {
698	workItemLength = outLen / workItemCount;
699	//workItemLength = (int)((double)outLen / workItemCount * 1.05);
700	} else {
701	workItemLength = outLen / 2;
702	workItemCount = 2;
703	}
704	} else {
705	workItemLength = outLen;
706	workItemCount = 1;
707	}
708	ILDenseStorage<double> retStorage = new ILDenseStorage<double>(retArr, inDim);
709
710	Action<object> worker = data => {
711	Tuple<int, int, IntPtr, IntPtr, bool> range = (Tuple<int, int, IntPtr, IntPtr, bool>)data;
712
713	double* cp = ((double*)range.Item4 + range.Item1);
714	int len = range.Item2;
715	if (range.Item5) {
716	// inplace
717	while (len > 20) {
718	cp[0] = Math.Acos(cp[0] ) /dummy/;
719	cp[1] = Math.Acos(cp[1] ) /dummy/;
720	cp[2] = Math.Acos(cp[2] ) /dummy/;
721	cp[3] = Math.Acos(cp[3] ) /dummy/;
722	cp[4] = Math.Acos(cp[4] ) /dummy/;
723	cp[5] = Math.Acos(cp[5] ) /dummy/;
724	cp[6] = Math.Acos(cp[6] ) /dummy/;
725	cp[7] = Math.Acos(cp[7] ) /dummy/;
726	cp[8] = Math.Acos(cp[8] ) /dummy/;
727	cp[9] = Math.Acos(cp[9] ) /dummy/;
728	cp[10] = Math.Acos(cp[10] ) /dummy/;
729	cp[11] = Math.Acos(cp[11] ) /dummy/;
730	cp[12] = Math.Acos(cp[12] ) /dummy/;
731	cp[13] = Math.Acos(cp[13] ) /dummy/;
732	cp[14] = Math.Acos(cp[14] ) /dummy/;
733	cp[15] = Math.Acos(cp[15] ) /dummy/;
734	cp[16] = Math.Acos(cp[16] ) /dummy/;
735	cp[17] = Math.Acos(cp[17] ) /dummy/;
736	cp[18] = Math.Acos(cp[18] ) /dummy/;
737	cp[19] = Math.Acos(cp[19] ) /dummy/;
738	cp[20] = Math.Acos(cp[20] ) /dummy/;
739	cp+=21; len -= 21;
740	}
741	while (len-- > 0) {
742	cp = Math.Acos(cp ) /dummy/;
743	cp++;
744	}
745	} else {
746	double* ap = ((double*)range.Item3 + range.Item1);
747	while (len > 20) {
748	cp[0] = Math.Acos(ap[0] ) /dummy/;
749	cp[1] = Math.Acos(ap[1] ) /dummy/;
750	cp[2] = Math.Acos(ap[2] ) /dummy/;
751	cp[3] = Math.Acos(ap[3] ) /dummy/;
752	cp[4] = Math.Acos(ap[4] ) /dummy/;
753	cp[5] = Math.Acos(ap[5] ) /dummy/;
754	cp[6] = Math.Acos(ap[6] ) /dummy/;
755	cp[7] = Math.Acos(ap[7] ) /dummy/;
756	cp[8] = Math.Acos(ap[8] ) /dummy/;
757	cp[9] = Math.Acos(ap[9] ) /dummy/;
758	cp[10] = Math.Acos(ap[10] ) /dummy/;
759	cp[11] = Math.Acos(ap[11] ) /dummy/;
760	cp[12] = Math.Acos(ap[12] ) /dummy/;
761	cp[13] = Math.Acos(ap[13] ) /dummy/;
762	cp[14] = Math.Acos(ap[14] ) /dummy/;
763	cp[15] = Math.Acos(ap[15] ) /dummy/;
764	cp[16] = Math.Acos(ap[16] ) /dummy/;
765	cp[17] = Math.Acos(ap[17] ) /dummy/;
766	cp[18] = Math.Acos(ap[18] ) /dummy/;
767	cp[19] = Math.Acos(ap[19] ) /dummy/;
768	cp[20] = Math.Acos(ap[20] ) /dummy/;
769	ap += 21;
770	cp += 21;
771	len -= 21;
772	}
773	while (len-- > 0) {
774	cp = Math.Acos(ap ) /dummy/;
775	ap++;
776	cp++;
777	}
778	}
779	System.Threading.Interlocked.Decrement(ref workerCount);
780	};
781
782	fixed ( double* arrAP = arrA)
783	fixed ( double* retArrP = retArr) {
784	for (; i < workItemCount - 1; i++) {
785	Tuple<int, int, IntPtr, IntPtr, bool> range
786	= new Tuple<int, int, IntPtr, IntPtr, bool>
787	(i * workItemLength, workItemLength, (IntPtr)arrAP, (IntPtr)retArrP, inplace);
788	System.Threading.Interlocked.Increment(ref workerCount);
789	ILThreadPool.QueueUserWorkItem(i,worker, range);
790	}
791	// the last (or may the only) chunk is done right here
792	worker(new Tuple<int, int, IntPtr, IntPtr, bool>
793	(i * workItemLength, outLen - i * workItemLength, (IntPtr)arrAP, (IntPtr)retArrP, inplace));
794
795	ILThreadPool.Wait4Workers(ref workerCount);
796	}
797	return new ILRetArray<double>(retStorage);
798	}
799	}
800
801	#endregion HYCALPER AUTO GENERATED CODE
802	}
803	}

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