1 | ///
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2 | /// This file is part of ILNumerics Community Edition.
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3 | ///
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4 | /// ILNumerics Community Edition - high performance computing for applications.
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5 | /// Copyright (C) 2006 - 2012 Haymo Kutschbach, http://ilnumerics.net
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6 | ///
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7 | /// ILNumerics Community Edition is free software: you can redistribute it and/or modify
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8 | /// it under the terms of the GNU General Public License version 3 as published by
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9 | /// the Free Software Foundation.
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10 | ///
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11 | /// ILNumerics Community Edition is distributed in the hope that it will be useful,
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12 | /// but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | /// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 | /// GNU General Public License for more details.
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15 | ///
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16 | /// You should have received a copy of the GNU General Public License
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17 | /// along with ILNumerics Community Edition. See the file License.txt in the root
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18 | /// of your distribution package. If not, see <http://www.gnu.org/licenses/>.
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19 | ///
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20 | /// In addition this software uses the following components and/or licenses:
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21 | ///
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22 | /// =================================================================================
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23 | /// The Open Toolkit Library License
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24 | ///
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25 | /// Copyright (c) 2006 - 2009 the Open Toolkit library.
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26 | ///
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27 | /// Permission is hereby granted, free of charge, to any person obtaining a copy
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28 | /// of this software and associated documentation files (the "Software"), to deal
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29 | /// in the Software without restriction, including without limitation the rights to
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30 | /// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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31 | /// the Software, and to permit persons to whom the Software is furnished to do
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32 | /// so, subject to the following conditions:
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33 | ///
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34 | /// The above copyright notice and this permission notice shall be included in all
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35 | /// copies or substantial portions of the Software.
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36 | ///
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37 | /// =================================================================================
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38 | ///
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39 |
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40 | using System;
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41 | using System.Collections.Generic;
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42 | using System.Text;
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43 | using ILNumerics.Storage;
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44 | using ILNumerics.Misc;
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45 | using ILNumerics.Exceptions;
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46 |
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47 |
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48 |
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49 | namespace ILNumerics {
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50 | public partial class ILMath {
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51 |
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52 | |
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53 | /// <summary>
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54 | /// Determine if matrix A is a lower triangular matrix
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55 | /// </summary>
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56 | /// <param name="A">Matrix of numeric inner type</param>
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57 | /// <returns>true if A is a lower triangular matrix, false otherwise</returns>
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58 | /// <exception cref="ILNumerics.Exceptions.ILArgumentException">if A was not a matrix or if A was null</exception>
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59 | public static bool istrilow(ILInArray<double> A) {
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60 | if (object.Equals(A, null))
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61 | throw new ILArgumentException("istrilow: A must not be null!");
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62 | using (ILScope.Enter(A)) {
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63 | if (A.IsScalar) { return true; }
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64 | if (A.IsEmpty) { return false; }
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65 | if (!A.IsMatrix)
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66 | throw new ILArgumentException("istrilow: A must be a matrix!");
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67 | int n = A.Size[1];
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68 | for (int c = 1; c < n; c++) {
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69 | for (int r = 0; r < c; r++) {
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70 | if (A.GetValue(r, c) != 0.0) return false;
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71 | }
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72 | }
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73 | return true;
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74 | }
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75 | }
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76 |
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77 | /// <summary>
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78 | /// Determine if matrix A is upper triangular matrix
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79 | /// </summary>
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80 | /// <param name="A">Matrix or scalar A of numeric inner type</param>
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81 | /// <returns>true if A is a upper triangular matrix, false otherwise</returns>
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82 | /// <exception cref="ILNumerics.Exceptions.ILArgumentException">if A was not a matrix or if A was null</exception>
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83 | public static bool istriup(ILInArray<double> A) {
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84 | if (object.Equals(A, null))
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85 | throw new ILArgumentException("istriup: A must not be null!");
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86 | using (ILScope.Enter(A)) {
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87 | if (A.IsScalar) { return true; }
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88 | if (A.IsEmpty) { return false; }
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89 | if (!A.IsMatrix)
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90 | throw new ILArgumentException("istriup: A must be matrix or scalar!");
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91 | int m = A.Size[0];
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92 | int n = A.Size[1];
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93 | for (int c = 0; c < n; c++) {
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94 | for (int r = c + 1; r < m; r++) {
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95 | if (A.GetValue(r, c) != 0.0) return false;
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96 | }
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97 | }
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98 | return true;
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99 | }
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100 | }
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101 | /// <summary>
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102 | /// Determine if matrix A is lower Hessenberg matrix
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103 | /// </summary>
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104 | /// <param name="A">Matrix or scalar A of numeric inner type</param>
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105 | /// <returns>true if A is a lower Hessenberg matrix, false otherwise</returns>
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106 | /// <exception cref="ILNumerics.Exceptions.ILArgumentException">if A was null</exception>
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107 | public static bool ishesslow(ILInArray<double> A) {
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108 | if (object.Equals(A, null))
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109 | throw new ILArgumentException("ishesslow: A must not be null!");
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110 | using (ILScope.Enter(A)) {
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111 | if (A.IsScalar) { return true; }
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112 | if (A.IsEmpty) { return false; }
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113 | if (!A.IsMatrix) return false;
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114 | int m = A.Size[0];
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115 | int n = A.Size[1];
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116 | if (m != n) return false;
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117 | for (int c = 2; c < n; c++) {
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118 | for (int r = 0; r < c - 1; r++) {
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119 | if (A.GetValue(r, c) != 0.0) return false;
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120 | }
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121 | }
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122 | return true;
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123 | }
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124 | }
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125 | /// <summary>
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126 | /// Determine if matrix A is upper Hessenberg matrix
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127 | /// </summary>
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128 | /// <param name="A">Matrix or scalar A of numeric inner type</param>
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129 | /// <returns>true if A is a upper Hessenberg matrix, false otherwise</returns>
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130 | /// <exception cref="ILNumerics.Exceptions.ILArgumentException">if A was null</exception>
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131 | public static bool ishessup(ILInArray<double> A) {
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132 | if (object.Equals(A, null))
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133 | throw new ILArgumentException("ishessup: A must not be null!");
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134 | using (ILScope.Enter(A)) {
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135 | if (A.IsScalar) { return true; }
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136 | if (A.IsEmpty) { return false; }
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137 | if (!A.IsMatrix) return false;
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138 | int n = A.Size[1];
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139 | if (n != A.Size[0]) return false;
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140 | for (int c = 0; c < n - 2; c++) {
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141 | for (int r = c + 2; r < n; r++) {
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142 | if (A.GetValue(r, c) != 0.0) return false;
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143 | }
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144 | }
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145 | return true;
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146 | }
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147 | }
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148 | /// <summary>
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149 | /// Determine if matrix A is Hermitian matrix
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150 | /// </summary>
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151 | /// <param name="A">Matrix or scalar A of numeric inner type</param>
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152 | /// <returns>true if A is a Hermitian matrix, false otherwise</returns>
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153 | /// <exception cref="ILNumerics.Exceptions.ILArgumentException">if A was null</exception>
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154 | public static bool ishermitian(ILInArray<double> A) {
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155 | if (object.Equals(A,null))
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156 | throw new ILArgumentException("ishessup: A must not be null!");
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157 | using (ILScope.Enter(A)) {
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158 | if (A.IsScalar) { return true; }
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159 | if (A.IsEmpty) { return false; }
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160 | if (!A.IsMatrix) return false;
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161 | int n = A.Size[1];
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162 | if (n != A.Size[0]) return false;
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163 | for (int c = 0; c < n; c++) {
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164 |
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165 | //
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166 | for (int r = c + 1; r < n; r++) {
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167 |
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168 | if (A.GetValue(r, c) != A.GetValue(c, r)) return false;
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169 | }
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170 | }
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171 | return true;
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172 | }
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173 | }
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174 | |
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175 | #region HYCALPER AUTO GENERATED CODE
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176 | |
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177 | /// <summary>
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178 | /// Determine if matrix A is a lower triangular matrix
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179 | /// </summary>
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180 | /// <param name="A">Matrix of numeric inner type</param>
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181 | /// <returns>true if A is a lower triangular matrix, false otherwise</returns>
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182 | /// <exception cref="ILNumerics.Exceptions.ILArgumentException">if A was not a matrix or if A was null</exception>
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183 | public static bool istrilow(ILInArray<fcomplex> A) {
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184 | if (object.Equals(A, null))
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185 | throw new ILArgumentException("istrilow: A must not be null!");
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186 | using (ILScope.Enter(A)) {
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187 | if (A.IsScalar) { return true; }
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188 | if (A.IsEmpty) { return false; }
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189 | if (!A.IsMatrix)
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190 | throw new ILArgumentException("istrilow: A must be a matrix!");
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191 | int n = A.Size[1];
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192 | for (int c = 1; c < n; c++) {
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193 | for (int r = 0; r < c; r++) {
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194 | if (A.GetValue(r, c) != 0.0) return false;
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195 | }
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196 | }
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197 | return true;
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198 | }
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199 | }
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200 |
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201 | /// <summary>
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202 | /// Determine if matrix A is upper triangular matrix
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203 | /// </summary>
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204 | /// <param name="A">Matrix or scalar A of numeric inner type</param>
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205 | /// <returns>true if A is a upper triangular matrix, false otherwise</returns>
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206 | /// <exception cref="ILNumerics.Exceptions.ILArgumentException">if A was not a matrix or if A was null</exception>
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207 | public static bool istriup(ILInArray<fcomplex> A) {
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208 | if (object.Equals(A, null))
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209 | throw new ILArgumentException("istriup: A must not be null!");
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210 | using (ILScope.Enter(A)) {
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211 | if (A.IsScalar) { return true; }
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212 | if (A.IsEmpty) { return false; }
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213 | if (!A.IsMatrix)
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214 | throw new ILArgumentException("istriup: A must be matrix or scalar!");
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215 | int m = A.Size[0];
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216 | int n = A.Size[1];
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217 | for (int c = 0; c < n; c++) {
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218 | for (int r = c + 1; r < m; r++) {
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219 | if (A.GetValue(r, c) != 0.0) return false;
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220 | }
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221 | }
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222 | return true;
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223 | }
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224 | }
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225 | /// <summary>
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226 | /// Determine if matrix A is lower Hessenberg matrix
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227 | /// </summary>
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228 | /// <param name="A">Matrix or scalar A of numeric inner type</param>
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229 | /// <returns>true if A is a lower Hessenberg matrix, false otherwise</returns>
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230 | /// <exception cref="ILNumerics.Exceptions.ILArgumentException">if A was null</exception>
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231 | public static bool ishesslow(ILInArray<fcomplex> A) {
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232 | if (object.Equals(A, null))
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233 | throw new ILArgumentException("ishesslow: A must not be null!");
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234 | using (ILScope.Enter(A)) {
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235 | if (A.IsScalar) { return true; }
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236 | if (A.IsEmpty) { return false; }
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237 | if (!A.IsMatrix) return false;
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238 | int m = A.Size[0];
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239 | int n = A.Size[1];
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240 | if (m != n) return false;
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241 | for (int c = 2; c < n; c++) {
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242 | for (int r = 0; r < c - 1; r++) {
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243 | if (A.GetValue(r, c) != 0.0) return false;
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244 | }
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245 | }
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246 | return true;
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247 | }
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248 | }
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249 | /// <summary>
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250 | /// Determine if matrix A is upper Hessenberg matrix
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251 | /// </summary>
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252 | /// <param name="A">Matrix or scalar A of numeric inner type</param>
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253 | /// <returns>true if A is a upper Hessenberg matrix, false otherwise</returns>
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254 | /// <exception cref="ILNumerics.Exceptions.ILArgumentException">if A was null</exception>
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255 | public static bool ishessup(ILInArray<fcomplex> A) {
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256 | if (object.Equals(A, null))
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257 | throw new ILArgumentException("ishessup: A must not be null!");
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258 | using (ILScope.Enter(A)) {
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259 | if (A.IsScalar) { return true; }
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260 | if (A.IsEmpty) { return false; }
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261 | if (!A.IsMatrix) return false;
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262 | int n = A.Size[1];
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263 | if (n != A.Size[0]) return false;
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264 | for (int c = 0; c < n - 2; c++) {
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265 | for (int r = c + 2; r < n; r++) {
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266 | if (A.GetValue(r, c) != 0.0) return false;
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267 | }
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268 | }
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269 | return true;
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270 | }
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271 | }
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272 | /// <summary>
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273 | /// Determine if matrix A is Hermitian matrix
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274 | /// </summary>
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275 | /// <param name="A">Matrix or scalar A of numeric inner type</param>
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276 | /// <returns>true if A is a Hermitian matrix, false otherwise</returns>
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277 | /// <exception cref="ILNumerics.Exceptions.ILArgumentException">if A was null</exception>
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278 | public static bool ishermitian(ILInArray<fcomplex> A) {
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279 | if (object.Equals(A,null))
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280 | throw new ILArgumentException("ishessup: A must not be null!");
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281 | using (ILScope.Enter(A)) {
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282 | if (A.IsScalar) { return true; }
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283 | if (A.IsEmpty) { return false; }
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284 | if (!A.IsMatrix) return false;
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285 | int n = A.Size[1];
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286 | if (n != A.Size[0]) return false;
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287 | for (int c = 0; c < n; c++) {
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288 |
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289 | if (A.GetValue(c,c).imag != 0.0f) return false;
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290 | for (int r = c + 1; r < n; r++) {
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291 | fcomplex val1 = A.GetValue(r,c); fcomplex val2 = A.GetValue(c,r); if (val1.real != val2.real || val1.imag + val2.imag != 0.0f) return false;
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292 | }
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293 | }
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294 | return true;
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295 | }
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296 | }
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297 | /// <summary>
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298 | /// Determine if matrix A is a lower triangular matrix
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299 | /// </summary>
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300 | /// <param name="A">Matrix of numeric inner type</param>
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301 | /// <returns>true if A is a lower triangular matrix, false otherwise</returns>
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302 | /// <exception cref="ILNumerics.Exceptions.ILArgumentException">if A was not a matrix or if A was null</exception>
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303 | public static bool istrilow(ILInArray<complex> A) {
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304 | if (object.Equals(A, null))
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305 | throw new ILArgumentException("istrilow: A must not be null!");
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306 | using (ILScope.Enter(A)) {
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307 | if (A.IsScalar) { return true; }
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308 | if (A.IsEmpty) { return false; }
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309 | if (!A.IsMatrix)
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310 | throw new ILArgumentException("istrilow: A must be a matrix!");
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311 | int n = A.Size[1];
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312 | for (int c = 1; c < n; c++) {
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313 | for (int r = 0; r < c; r++) {
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314 | if (A.GetValue(r, c) != 0.0) return false;
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315 | }
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316 | }
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317 | return true;
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318 | }
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319 | }
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320 |
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321 | /// <summary>
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322 | /// Determine if matrix A is upper triangular matrix
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323 | /// </summary>
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324 | /// <param name="A">Matrix or scalar A of numeric inner type</param>
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325 | /// <returns>true if A is a upper triangular matrix, false otherwise</returns>
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326 | /// <exception cref="ILNumerics.Exceptions.ILArgumentException">if A was not a matrix or if A was null</exception>
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327 | public static bool istriup(ILInArray<complex> A) {
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328 | if (object.Equals(A, null))
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329 | throw new ILArgumentException("istriup: A must not be null!");
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330 | using (ILScope.Enter(A)) {
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331 | if (A.IsScalar) { return true; }
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332 | if (A.IsEmpty) { return false; }
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333 | if (!A.IsMatrix)
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334 | throw new ILArgumentException("istriup: A must be matrix or scalar!");
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335 | int m = A.Size[0];
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336 | int n = A.Size[1];
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337 | for (int c = 0; c < n; c++) {
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338 | for (int r = c + 1; r < m; r++) {
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339 | if (A.GetValue(r, c) != 0.0) return false;
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340 | }
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341 | }
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342 | return true;
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343 | }
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344 | }
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345 | /// <summary>
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346 | /// Determine if matrix A is lower Hessenberg matrix
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347 | /// </summary>
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348 | /// <param name="A">Matrix or scalar A of numeric inner type</param>
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349 | /// <returns>true if A is a lower Hessenberg matrix, false otherwise</returns>
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350 | /// <exception cref="ILNumerics.Exceptions.ILArgumentException">if A was null</exception>
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351 | public static bool ishesslow(ILInArray<complex> A) {
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352 | if (object.Equals(A, null))
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353 | throw new ILArgumentException("ishesslow: A must not be null!");
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354 | using (ILScope.Enter(A)) {
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355 | if (A.IsScalar) { return true; }
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356 | if (A.IsEmpty) { return false; }
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357 | if (!A.IsMatrix) return false;
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358 | int m = A.Size[0];
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359 | int n = A.Size[1];
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360 | if (m != n) return false;
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361 | for (int c = 2; c < n; c++) {
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362 | for (int r = 0; r < c - 1; r++) {
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363 | if (A.GetValue(r, c) != 0.0) return false;
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364 | }
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365 | }
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366 | return true;
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367 | }
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368 | }
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369 | /// <summary>
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370 | /// Determine if matrix A is upper Hessenberg matrix
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371 | /// </summary>
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372 | /// <param name="A">Matrix or scalar A of numeric inner type</param>
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373 | /// <returns>true if A is a upper Hessenberg matrix, false otherwise</returns>
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374 | /// <exception cref="ILNumerics.Exceptions.ILArgumentException">if A was null</exception>
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375 | public static bool ishessup(ILInArray<complex> A) {
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376 | if (object.Equals(A, null))
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377 | throw new ILArgumentException("ishessup: A must not be null!");
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378 | using (ILScope.Enter(A)) {
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379 | if (A.IsScalar) { return true; }
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380 | if (A.IsEmpty) { return false; }
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381 | if (!A.IsMatrix) return false;
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382 | int n = A.Size[1];
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383 | if (n != A.Size[0]) return false;
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384 | for (int c = 0; c < n - 2; c++) {
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385 | for (int r = c + 2; r < n; r++) {
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386 | if (A.GetValue(r, c) != 0.0) return false;
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387 | }
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388 | }
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389 | return true;
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390 | }
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391 | }
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392 | /// <summary>
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393 | /// Determine if matrix A is Hermitian matrix
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394 | /// </summary>
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395 | /// <param name="A">Matrix or scalar A of numeric inner type</param>
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396 | /// <returns>true if A is a Hermitian matrix, false otherwise</returns>
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397 | /// <exception cref="ILNumerics.Exceptions.ILArgumentException">if A was null</exception>
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398 | public static bool ishermitian(ILInArray<complex> A) {
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399 | if (object.Equals(A,null))
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400 | throw new ILArgumentException("ishessup: A must not be null!");
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401 | using (ILScope.Enter(A)) {
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402 | if (A.IsScalar) { return true; }
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403 | if (A.IsEmpty) { return false; }
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404 | if (!A.IsMatrix) return false;
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405 | int n = A.Size[1];
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406 | if (n != A.Size[0]) return false;
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407 | for (int c = 0; c < n; c++) {
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408 |
|
---|
409 | if (A.GetValue(c,c).imag != 0.0) return false;
|
---|
410 | for (int r = c + 1; r < n; r++) {
|
---|
411 | complex val1 = A.GetValue(r,c); complex val2 = A.GetValue(c,r); if (val1.real != val2.real || val1.imag + val2.imag != 0.0) return false;
|
---|
412 | }
|
---|
413 | }
|
---|
414 | return true;
|
---|
415 | }
|
---|
416 | }
|
---|
417 | /// <summary>
|
---|
418 | /// Determine if matrix A is a lower triangular matrix
|
---|
419 | /// </summary>
|
---|
420 | /// <param name="A">Matrix of numeric inner type</param>
|
---|
421 | /// <returns>true if A is a lower triangular matrix, false otherwise</returns>
|
---|
422 | /// <exception cref="ILNumerics.Exceptions.ILArgumentException">if A was not a matrix or if A was null</exception>
|
---|
423 | public static bool istrilow(ILInArray<byte> A) {
|
---|
424 | if (object.Equals(A, null))
|
---|
425 | throw new ILArgumentException("istrilow: A must not be null!");
|
---|
426 | using (ILScope.Enter(A)) {
|
---|
427 | if (A.IsScalar) { return true; }
|
---|
428 | if (A.IsEmpty) { return false; }
|
---|
429 | if (!A.IsMatrix)
|
---|
430 | throw new ILArgumentException("istrilow: A must be a matrix!");
|
---|
431 | int n = A.Size[1];
|
---|
432 | for (int c = 1; c < n; c++) {
|
---|
433 | for (int r = 0; r < c; r++) {
|
---|
434 | if (A.GetValue(r, c) != 0.0) return false;
|
---|
435 | }
|
---|
436 | }
|
---|
437 | return true;
|
---|
438 | }
|
---|
439 | }
|
---|
440 |
|
---|
441 | /// <summary>
|
---|
442 | /// Determine if matrix A is upper triangular matrix
|
---|
443 | /// </summary>
|
---|
444 | /// <param name="A">Matrix or scalar A of numeric inner type</param>
|
---|
445 | /// <returns>true if A is a upper triangular matrix, false otherwise</returns>
|
---|
446 | /// <exception cref="ILNumerics.Exceptions.ILArgumentException">if A was not a matrix or if A was null</exception>
|
---|
447 | public static bool istriup(ILInArray<byte> A) {
|
---|
448 | if (object.Equals(A, null))
|
---|
449 | throw new ILArgumentException("istriup: A must not be null!");
|
---|
450 | using (ILScope.Enter(A)) {
|
---|
451 | if (A.IsScalar) { return true; }
|
---|
452 | if (A.IsEmpty) { return false; }
|
---|
453 | if (!A.IsMatrix)
|
---|
454 | throw new ILArgumentException("istriup: A must be matrix or scalar!");
|
---|
455 | int m = A.Size[0];
|
---|
456 | int n = A.Size[1];
|
---|
457 | for (int c = 0; c < n; c++) {
|
---|
458 | for (int r = c + 1; r < m; r++) {
|
---|
459 | if (A.GetValue(r, c) != 0.0) return false;
|
---|
460 | }
|
---|
461 | }
|
---|
462 | return true;
|
---|
463 | }
|
---|
464 | }
|
---|
465 | /// <summary>
|
---|
466 | /// Determine if matrix A is lower Hessenberg matrix
|
---|
467 | /// </summary>
|
---|
468 | /// <param name="A">Matrix or scalar A of numeric inner type</param>
|
---|
469 | /// <returns>true if A is a lower Hessenberg matrix, false otherwise</returns>
|
---|
470 | /// <exception cref="ILNumerics.Exceptions.ILArgumentException">if A was null</exception>
|
---|
471 | public static bool ishesslow(ILInArray<byte> A) {
|
---|
472 | if (object.Equals(A, null))
|
---|
473 | throw new ILArgumentException("ishesslow: A must not be null!");
|
---|
474 | using (ILScope.Enter(A)) {
|
---|
475 | if (A.IsScalar) { return true; }
|
---|
476 | if (A.IsEmpty) { return false; }
|
---|
477 | if (!A.IsMatrix) return false;
|
---|
478 | int m = A.Size[0];
|
---|
479 | int n = A.Size[1];
|
---|
480 | if (m != n) return false;
|
---|
481 | for (int c = 2; c < n; c++) {
|
---|
482 | for (int r = 0; r < c - 1; r++) {
|
---|
483 | if (A.GetValue(r, c) != 0.0) return false;
|
---|
484 | }
|
---|
485 | }
|
---|
486 | return true;
|
---|
487 | }
|
---|
488 | }
|
---|
489 | /// <summary>
|
---|
490 | /// Determine if matrix A is upper Hessenberg matrix
|
---|
491 | /// </summary>
|
---|
492 | /// <param name="A">Matrix or scalar A of numeric inner type</param>
|
---|
493 | /// <returns>true if A is a upper Hessenberg matrix, false otherwise</returns>
|
---|
494 | /// <exception cref="ILNumerics.Exceptions.ILArgumentException">if A was null</exception>
|
---|
495 | public static bool ishessup(ILInArray<byte> A) {
|
---|
496 | if (object.Equals(A, null))
|
---|
497 | throw new ILArgumentException("ishessup: A must not be null!");
|
---|
498 | using (ILScope.Enter(A)) {
|
---|
499 | if (A.IsScalar) { return true; }
|
---|
500 | if (A.IsEmpty) { return false; }
|
---|
501 | if (!A.IsMatrix) return false;
|
---|
502 | int n = A.Size[1];
|
---|
503 | if (n != A.Size[0]) return false;
|
---|
504 | for (int c = 0; c < n - 2; c++) {
|
---|
505 | for (int r = c + 2; r < n; r++) {
|
---|
506 | if (A.GetValue(r, c) != 0.0) return false;
|
---|
507 | }
|
---|
508 | }
|
---|
509 | return true;
|
---|
510 | }
|
---|
511 | }
|
---|
512 | /// <summary>
|
---|
513 | /// Determine if matrix A is Hermitian matrix
|
---|
514 | /// </summary>
|
---|
515 | /// <param name="A">Matrix or scalar A of numeric inner type</param>
|
---|
516 | /// <returns>true if A is a Hermitian matrix, false otherwise</returns>
|
---|
517 | /// <exception cref="ILNumerics.Exceptions.ILArgumentException">if A was null</exception>
|
---|
518 | public static bool ishermitian(ILInArray<byte> A) {
|
---|
519 | if (object.Equals(A,null))
|
---|
520 | throw new ILArgumentException("ishessup: A must not be null!");
|
---|
521 | using (ILScope.Enter(A)) {
|
---|
522 | if (A.IsScalar) { return true; }
|
---|
523 | if (A.IsEmpty) { return false; }
|
---|
524 | if (!A.IsMatrix) return false;
|
---|
525 | int n = A.Size[1];
|
---|
526 | if (n != A.Size[0]) return false;
|
---|
527 | for (int c = 0; c < n; c++) {
|
---|
528 |
|
---|
529 |
|
---|
530 | for (int r = c + 1; r < n; r++) {
|
---|
531 | if (A.GetValue(r,c) != A.GetValue(c,r)) return false;
|
---|
532 | }
|
---|
533 | }
|
---|
534 | return true;
|
---|
535 | }
|
---|
536 | }
|
---|
537 | /// <summary>
|
---|
538 | /// Determine if matrix A is a lower triangular matrix
|
---|
539 | /// </summary>
|
---|
540 | /// <param name="A">Matrix of numeric inner type</param>
|
---|
541 | /// <returns>true if A is a lower triangular matrix, false otherwise</returns>
|
---|
542 | /// <exception cref="ILNumerics.Exceptions.ILArgumentException">if A was not a matrix or if A was null</exception>
|
---|
543 | public static bool istrilow(ILInArray<Int64> A) {
|
---|
544 | if (object.Equals(A, null))
|
---|
545 | throw new ILArgumentException("istrilow: A must not be null!");
|
---|
546 | using (ILScope.Enter(A)) {
|
---|
547 | if (A.IsScalar) { return true; }
|
---|
548 | if (A.IsEmpty) { return false; }
|
---|
549 | if (!A.IsMatrix)
|
---|
550 | throw new ILArgumentException("istrilow: A must be a matrix!");
|
---|
551 | int n = A.Size[1];
|
---|
552 | for (int c = 1; c < n; c++) {
|
---|
553 | for (int r = 0; r < c; r++) {
|
---|
554 | if (A.GetValue(r, c) != 0.0) return false;
|
---|
555 | }
|
---|
556 | }
|
---|
557 | return true;
|
---|
558 | }
|
---|
559 | }
|
---|
560 |
|
---|
561 | /// <summary>
|
---|
562 | /// Determine if matrix A is upper triangular matrix
|
---|
563 | /// </summary>
|
---|
564 | /// <param name="A">Matrix or scalar A of numeric inner type</param>
|
---|
565 | /// <returns>true if A is a upper triangular matrix, false otherwise</returns>
|
---|
566 | /// <exception cref="ILNumerics.Exceptions.ILArgumentException">if A was not a matrix or if A was null</exception>
|
---|
567 | public static bool istriup(ILInArray<Int64> A) {
|
---|
568 | if (object.Equals(A, null))
|
---|
569 | throw new ILArgumentException("istriup: A must not be null!");
|
---|
570 | using (ILScope.Enter(A)) {
|
---|
571 | if (A.IsScalar) { return true; }
|
---|
572 | if (A.IsEmpty) { return false; }
|
---|
573 | if (!A.IsMatrix)
|
---|
574 | throw new ILArgumentException("istriup: A must be matrix or scalar!");
|
---|
575 | int m = A.Size[0];
|
---|
576 | int n = A.Size[1];
|
---|
577 | for (int c = 0; c < n; c++) {
|
---|
578 | for (int r = c + 1; r < m; r++) {
|
---|
579 | if (A.GetValue(r, c) != 0.0) return false;
|
---|
580 | }
|
---|
581 | }
|
---|
582 | return true;
|
---|
583 | }
|
---|
584 | }
|
---|
585 | /// <summary>
|
---|
586 | /// Determine if matrix A is lower Hessenberg matrix
|
---|
587 | /// </summary>
|
---|
588 | /// <param name="A">Matrix or scalar A of numeric inner type</param>
|
---|
589 | /// <returns>true if A is a lower Hessenberg matrix, false otherwise</returns>
|
---|
590 | /// <exception cref="ILNumerics.Exceptions.ILArgumentException">if A was null</exception>
|
---|
591 | public static bool ishesslow(ILInArray<Int64> A) {
|
---|
592 | if (object.Equals(A, null))
|
---|
593 | throw new ILArgumentException("ishesslow: A must not be null!");
|
---|
594 | using (ILScope.Enter(A)) {
|
---|
595 | if (A.IsScalar) { return true; }
|
---|
596 | if (A.IsEmpty) { return false; }
|
---|
597 | if (!A.IsMatrix) return false;
|
---|
598 | int m = A.Size[0];
|
---|
599 | int n = A.Size[1];
|
---|
600 | if (m != n) return false;
|
---|
601 | for (int c = 2; c < n; c++) {
|
---|
602 | for (int r = 0; r < c - 1; r++) {
|
---|
603 | if (A.GetValue(r, c) != 0.0) return false;
|
---|
604 | }
|
---|
605 | }
|
---|
606 | return true;
|
---|
607 | }
|
---|
608 | }
|
---|
609 | /// <summary>
|
---|
610 | /// Determine if matrix A is upper Hessenberg matrix
|
---|
611 | /// </summary>
|
---|
612 | /// <param name="A">Matrix or scalar A of numeric inner type</param>
|
---|
613 | /// <returns>true if A is a upper Hessenberg matrix, false otherwise</returns>
|
---|
614 | /// <exception cref="ILNumerics.Exceptions.ILArgumentException">if A was null</exception>
|
---|
615 | public static bool ishessup(ILInArray<Int64> A) {
|
---|
616 | if (object.Equals(A, null))
|
---|
617 | throw new ILArgumentException("ishessup: A must not be null!");
|
---|
618 | using (ILScope.Enter(A)) {
|
---|
619 | if (A.IsScalar) { return true; }
|
---|
620 | if (A.IsEmpty) { return false; }
|
---|
621 | if (!A.IsMatrix) return false;
|
---|
622 | int n = A.Size[1];
|
---|
623 | if (n != A.Size[0]) return false;
|
---|
624 | for (int c = 0; c < n - 2; c++) {
|
---|
625 | for (int r = c + 2; r < n; r++) {
|
---|
626 | if (A.GetValue(r, c) != 0.0) return false;
|
---|
627 | }
|
---|
628 | }
|
---|
629 | return true;
|
---|
630 | }
|
---|
631 | }
|
---|
632 | /// <summary>
|
---|
633 | /// Determine if matrix A is Hermitian matrix
|
---|
634 | /// </summary>
|
---|
635 | /// <param name="A">Matrix or scalar A of numeric inner type</param>
|
---|
636 | /// <returns>true if A is a Hermitian matrix, false otherwise</returns>
|
---|
637 | /// <exception cref="ILNumerics.Exceptions.ILArgumentException">if A was null</exception>
|
---|
638 | public static bool ishermitian(ILInArray<Int64> A) {
|
---|
639 | if (object.Equals(A,null))
|
---|
640 | throw new ILArgumentException("ishessup: A must not be null!");
|
---|
641 | using (ILScope.Enter(A)) {
|
---|
642 | if (A.IsScalar) { return true; }
|
---|
643 | if (A.IsEmpty) { return false; }
|
---|
644 | if (!A.IsMatrix) return false;
|
---|
645 | int n = A.Size[1];
|
---|
646 | if (n != A.Size[0]) return false;
|
---|
647 | for (int c = 0; c < n; c++) {
|
---|
648 |
|
---|
649 |
|
---|
650 | for (int r = c + 1; r < n; r++) {
|
---|
651 | if (A.GetValue(r,c) != A.GetValue(c,r)) return false;
|
---|
652 | }
|
---|
653 | }
|
---|
654 | return true;
|
---|
655 | }
|
---|
656 | }
|
---|
657 | /// <summary>
|
---|
658 | /// Determine if matrix A is a lower triangular matrix
|
---|
659 | /// </summary>
|
---|
660 | /// <param name="A">Matrix of numeric inner type</param>
|
---|
661 | /// <returns>true if A is a lower triangular matrix, false otherwise</returns>
|
---|
662 | /// <exception cref="ILNumerics.Exceptions.ILArgumentException">if A was not a matrix or if A was null</exception>
|
---|
663 | public static bool istrilow(ILInArray<Int32> A) {
|
---|
664 | if (object.Equals(A, null))
|
---|
665 | throw new ILArgumentException("istrilow: A must not be null!");
|
---|
666 | using (ILScope.Enter(A)) {
|
---|
667 | if (A.IsScalar) { return true; }
|
---|
668 | if (A.IsEmpty) { return false; }
|
---|
669 | if (!A.IsMatrix)
|
---|
670 | throw new ILArgumentException("istrilow: A must be a matrix!");
|
---|
671 | int n = A.Size[1];
|
---|
672 | for (int c = 1; c < n; c++) {
|
---|
673 | for (int r = 0; r < c; r++) {
|
---|
674 | if (A.GetValue(r, c) != 0.0) return false;
|
---|
675 | }
|
---|
676 | }
|
---|
677 | return true;
|
---|
678 | }
|
---|
679 | }
|
---|
680 |
|
---|
681 | /// <summary>
|
---|
682 | /// Determine if matrix A is upper triangular matrix
|
---|
683 | /// </summary>
|
---|
684 | /// <param name="A">Matrix or scalar A of numeric inner type</param>
|
---|
685 | /// <returns>true if A is a upper triangular matrix, false otherwise</returns>
|
---|
686 | /// <exception cref="ILNumerics.Exceptions.ILArgumentException">if A was not a matrix or if A was null</exception>
|
---|
687 | public static bool istriup(ILInArray<Int32> A) {
|
---|
688 | if (object.Equals(A, null))
|
---|
689 | throw new ILArgumentException("istriup: A must not be null!");
|
---|
690 | using (ILScope.Enter(A)) {
|
---|
691 | if (A.IsScalar) { return true; }
|
---|
692 | if (A.IsEmpty) { return false; }
|
---|
693 | if (!A.IsMatrix)
|
---|
694 | throw new ILArgumentException("istriup: A must be matrix or scalar!");
|
---|
695 | int m = A.Size[0];
|
---|
696 | int n = A.Size[1];
|
---|
697 | for (int c = 0; c < n; c++) {
|
---|
698 | for (int r = c + 1; r < m; r++) {
|
---|
699 | if (A.GetValue(r, c) != 0.0) return false;
|
---|
700 | }
|
---|
701 | }
|
---|
702 | return true;
|
---|
703 | }
|
---|
704 | }
|
---|
705 | /// <summary>
|
---|
706 | /// Determine if matrix A is lower Hessenberg matrix
|
---|
707 | /// </summary>
|
---|
708 | /// <param name="A">Matrix or scalar A of numeric inner type</param>
|
---|
709 | /// <returns>true if A is a lower Hessenberg matrix, false otherwise</returns>
|
---|
710 | /// <exception cref="ILNumerics.Exceptions.ILArgumentException">if A was null</exception>
|
---|
711 | public static bool ishesslow(ILInArray<Int32> A) {
|
---|
712 | if (object.Equals(A, null))
|
---|
713 | throw new ILArgumentException("ishesslow: A must not be null!");
|
---|
714 | using (ILScope.Enter(A)) {
|
---|
715 | if (A.IsScalar) { return true; }
|
---|
716 | if (A.IsEmpty) { return false; }
|
---|
717 | if (!A.IsMatrix) return false;
|
---|
718 | int m = A.Size[0];
|
---|
719 | int n = A.Size[1];
|
---|
720 | if (m != n) return false;
|
---|
721 | for (int c = 2; c < n; c++) {
|
---|
722 | for (int r = 0; r < c - 1; r++) {
|
---|
723 | if (A.GetValue(r, c) != 0.0) return false;
|
---|
724 | }
|
---|
725 | }
|
---|
726 | return true;
|
---|
727 | }
|
---|
728 | }
|
---|
729 | /// <summary>
|
---|
730 | /// Determine if matrix A is upper Hessenberg matrix
|
---|
731 | /// </summary>
|
---|
732 | /// <param name="A">Matrix or scalar A of numeric inner type</param>
|
---|
733 | /// <returns>true if A is a upper Hessenberg matrix, false otherwise</returns>
|
---|
734 | /// <exception cref="ILNumerics.Exceptions.ILArgumentException">if A was null</exception>
|
---|
735 | public static bool ishessup(ILInArray<Int32> A) {
|
---|
736 | if (object.Equals(A, null))
|
---|
737 | throw new ILArgumentException("ishessup: A must not be null!");
|
---|
738 | using (ILScope.Enter(A)) {
|
---|
739 | if (A.IsScalar) { return true; }
|
---|
740 | if (A.IsEmpty) { return false; }
|
---|
741 | if (!A.IsMatrix) return false;
|
---|
742 | int n = A.Size[1];
|
---|
743 | if (n != A.Size[0]) return false;
|
---|
744 | for (int c = 0; c < n - 2; c++) {
|
---|
745 | for (int r = c + 2; r < n; r++) {
|
---|
746 | if (A.GetValue(r, c) != 0.0) return false;
|
---|
747 | }
|
---|
748 | }
|
---|
749 | return true;
|
---|
750 | }
|
---|
751 | }
|
---|
752 | /// <summary>
|
---|
753 | /// Determine if matrix A is Hermitian matrix
|
---|
754 | /// </summary>
|
---|
755 | /// <param name="A">Matrix or scalar A of numeric inner type</param>
|
---|
756 | /// <returns>true if A is a Hermitian matrix, false otherwise</returns>
|
---|
757 | /// <exception cref="ILNumerics.Exceptions.ILArgumentException">if A was null</exception>
|
---|
758 | public static bool ishermitian(ILInArray<Int32> A) {
|
---|
759 | if (object.Equals(A,null))
|
---|
760 | throw new ILArgumentException("ishessup: A must not be null!");
|
---|
761 | using (ILScope.Enter(A)) {
|
---|
762 | if (A.IsScalar) { return true; }
|
---|
763 | if (A.IsEmpty) { return false; }
|
---|
764 | if (!A.IsMatrix) return false;
|
---|
765 | int n = A.Size[1];
|
---|
766 | if (n != A.Size[0]) return false;
|
---|
767 | for (int c = 0; c < n; c++) {
|
---|
768 |
|
---|
769 |
|
---|
770 | for (int r = c + 1; r < n; r++) {
|
---|
771 | if (A.GetValue(r,c) != A.GetValue(c,r)) return false;
|
---|
772 | }
|
---|
773 | }
|
---|
774 | return true;
|
---|
775 | }
|
---|
776 | }
|
---|
777 | /// <summary>
|
---|
778 | /// Determine if matrix A is a lower triangular matrix
|
---|
779 | /// </summary>
|
---|
780 | /// <param name="A">Matrix of numeric inner type</param>
|
---|
781 | /// <returns>true if A is a lower triangular matrix, false otherwise</returns>
|
---|
782 | /// <exception cref="ILNumerics.Exceptions.ILArgumentException">if A was not a matrix or if A was null</exception>
|
---|
783 | public static bool istrilow(ILInArray<float> A) {
|
---|
784 | if (object.Equals(A, null))
|
---|
785 | throw new ILArgumentException("istrilow: A must not be null!");
|
---|
786 | using (ILScope.Enter(A)) {
|
---|
787 | if (A.IsScalar) { return true; }
|
---|
788 | if (A.IsEmpty) { return false; }
|
---|
789 | if (!A.IsMatrix)
|
---|
790 | throw new ILArgumentException("istrilow: A must be a matrix!");
|
---|
791 | int n = A.Size[1];
|
---|
792 | for (int c = 1; c < n; c++) {
|
---|
793 | for (int r = 0; r < c; r++) {
|
---|
794 | if (A.GetValue(r, c) != 0.0) return false;
|
---|
795 | }
|
---|
796 | }
|
---|
797 | return true;
|
---|
798 | }
|
---|
799 | }
|
---|
800 |
|
---|
801 | /// <summary>
|
---|
802 | /// Determine if matrix A is upper triangular matrix
|
---|
803 | /// </summary>
|
---|
804 | /// <param name="A">Matrix or scalar A of numeric inner type</param>
|
---|
805 | /// <returns>true if A is a upper triangular matrix, false otherwise</returns>
|
---|
806 | /// <exception cref="ILNumerics.Exceptions.ILArgumentException">if A was not a matrix or if A was null</exception>
|
---|
807 | public static bool istriup(ILInArray<float> A) {
|
---|
808 | if (object.Equals(A, null))
|
---|
809 | throw new ILArgumentException("istriup: A must not be null!");
|
---|
810 | using (ILScope.Enter(A)) {
|
---|
811 | if (A.IsScalar) { return true; }
|
---|
812 | if (A.IsEmpty) { return false; }
|
---|
813 | if (!A.IsMatrix)
|
---|
814 | throw new ILArgumentException("istriup: A must be matrix or scalar!");
|
---|
815 | int m = A.Size[0];
|
---|
816 | int n = A.Size[1];
|
---|
817 | for (int c = 0; c < n; c++) {
|
---|
818 | for (int r = c + 1; r < m; r++) {
|
---|
819 | if (A.GetValue(r, c) != 0.0) return false;
|
---|
820 | }
|
---|
821 | }
|
---|
822 | return true;
|
---|
823 | }
|
---|
824 | }
|
---|
825 | /// <summary>
|
---|
826 | /// Determine if matrix A is lower Hessenberg matrix
|
---|
827 | /// </summary>
|
---|
828 | /// <param name="A">Matrix or scalar A of numeric inner type</param>
|
---|
829 | /// <returns>true if A is a lower Hessenberg matrix, false otherwise</returns>
|
---|
830 | /// <exception cref="ILNumerics.Exceptions.ILArgumentException">if A was null</exception>
|
---|
831 | public static bool ishesslow(ILInArray<float> A) {
|
---|
832 | if (object.Equals(A, null))
|
---|
833 | throw new ILArgumentException("ishesslow: A must not be null!");
|
---|
834 | using (ILScope.Enter(A)) {
|
---|
835 | if (A.IsScalar) { return true; }
|
---|
836 | if (A.IsEmpty) { return false; }
|
---|
837 | if (!A.IsMatrix) return false;
|
---|
838 | int m = A.Size[0];
|
---|
839 | int n = A.Size[1];
|
---|
840 | if (m != n) return false;
|
---|
841 | for (int c = 2; c < n; c++) {
|
---|
842 | for (int r = 0; r < c - 1; r++) {
|
---|
843 | if (A.GetValue(r, c) != 0.0) return false;
|
---|
844 | }
|
---|
845 | }
|
---|
846 | return true;
|
---|
847 | }
|
---|
848 | }
|
---|
849 | /// <summary>
|
---|
850 | /// Determine if matrix A is upper Hessenberg matrix
|
---|
851 | /// </summary>
|
---|
852 | /// <param name="A">Matrix or scalar A of numeric inner type</param>
|
---|
853 | /// <returns>true if A is a upper Hessenberg matrix, false otherwise</returns>
|
---|
854 | /// <exception cref="ILNumerics.Exceptions.ILArgumentException">if A was null</exception>
|
---|
855 | public static bool ishessup(ILInArray<float> A) {
|
---|
856 | if (object.Equals(A, null))
|
---|
857 | throw new ILArgumentException("ishessup: A must not be null!");
|
---|
858 | using (ILScope.Enter(A)) {
|
---|
859 | if (A.IsScalar) { return true; }
|
---|
860 | if (A.IsEmpty) { return false; }
|
---|
861 | if (!A.IsMatrix) return false;
|
---|
862 | int n = A.Size[1];
|
---|
863 | if (n != A.Size[0]) return false;
|
---|
864 | for (int c = 0; c < n - 2; c++) {
|
---|
865 | for (int r = c + 2; r < n; r++) {
|
---|
866 | if (A.GetValue(r, c) != 0.0) return false;
|
---|
867 | }
|
---|
868 | }
|
---|
869 | return true;
|
---|
870 | }
|
---|
871 | }
|
---|
872 | /// <summary>
|
---|
873 | /// Determine if matrix A is Hermitian matrix
|
---|
874 | /// </summary>
|
---|
875 | /// <param name="A">Matrix or scalar A of numeric inner type</param>
|
---|
876 | /// <returns>true if A is a Hermitian matrix, false otherwise</returns>
|
---|
877 | /// <exception cref="ILNumerics.Exceptions.ILArgumentException">if A was null</exception>
|
---|
878 | public static bool ishermitian(ILInArray<float> A) {
|
---|
879 | if (object.Equals(A,null))
|
---|
880 | throw new ILArgumentException("ishessup: A must not be null!");
|
---|
881 | using (ILScope.Enter(A)) {
|
---|
882 | if (A.IsScalar) { return true; }
|
---|
883 | if (A.IsEmpty) { return false; }
|
---|
884 | if (!A.IsMatrix) return false;
|
---|
885 | int n = A.Size[1];
|
---|
886 | if (n != A.Size[0]) return false;
|
---|
887 | for (int c = 0; c < n; c++) {
|
---|
888 |
|
---|
889 |
|
---|
890 | for (int r = c + 1; r < n; r++) {
|
---|
891 | if (A.GetValue(r,c) != A.GetValue(c,r)) return false;
|
---|
892 | }
|
---|
893 | }
|
---|
894 | return true;
|
---|
895 | }
|
---|
896 | }
|
---|
897 |
|
---|
898 | #endregion HYCALPER AUTO GENERATED CODE
|
---|
899 |
|
---|
900 | }
|
---|
901 | }
|
---|