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1 /* |
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2 |
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3 Copyright (C) 1996, 1997 John W. Eaton |
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4 |
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5 This file is part of Octave. |
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6 |
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7 Octave is free software; you can redistribute it and/or modify it |
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8 under the terms of the GNU General Public License as published by the |
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9 Free Software Foundation; either version 2, or (at your option) any |
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10 later version. |
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11 |
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12 Octave is distributed in the hope that it will be useful, but WITHOUT |
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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15 for more details. |
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16 |
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17 You should have received a copy of the GNU General Public License |
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18 along with Octave; see the file COPYING. If not, write to the Free |
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19 Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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20 |
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21 */ |
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22 |
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23 #if !defined (octave_mx_inlines_h) |
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24 #define octave_mx_inlines_h 1 |
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25 |
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26 #include <cstddef> |
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27 |
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1650
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28 #include "oct-cmplx.h" |
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29 |
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2811
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30 #define VS_OP_FCN(F, OP) \ |
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31 template <class R, class V, class S> \ |
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32 inline void \ |
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33 F ## _vs (R *r, const V *v, size_t n, S s) \ |
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34 { \ |
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35 for (size_t i = 0; i < n; i++) \ |
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36 r[i] = v[i] OP s; \ |
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37 } |
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38 |
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3769
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39 VS_OP_FCN (mx_inline_add, +) |
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40 VS_OP_FCN (mx_inline_subtract, -) |
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41 VS_OP_FCN (mx_inline_multiply, *) |
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42 VS_OP_FCN (mx_inline_divide, /) |
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43 |
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44 #define VS_OP(F, OP, R, V, S) \ |
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45 static inline R * \ |
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46 F (const V *v, size_t n, S s) \ |
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47 { \ |
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48 R *r = 0; \ |
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49 if (n > 0) \ |
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50 { \ |
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51 r = new R [n]; \ |
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52 F ## _vs (r, v, n, s); \ |
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53 } \ |
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54 return r; \ |
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55 } |
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56 |
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57 #define VS_OPS(R, V, S) \ |
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58 VS_OP (mx_inline_add, +, R, V, S) \ |
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59 VS_OP (mx_inline_subtract, -, R, V, S) \ |
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60 VS_OP (mx_inline_multiply, *, R, V, S) \ |
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61 VS_OP (mx_inline_divide, /, R, V, S) |
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62 |
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63 VS_OPS (double, double, double) |
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64 VS_OPS (Complex, double, Complex) |
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65 VS_OPS (Complex, Complex, double) |
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66 VS_OPS (Complex, Complex, Complex) |
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67 |
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68 #define SV_OP_FCN(F, OP) \ |
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69 template <class R, class S, class V> \ |
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70 inline void \ |
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71 F ## _sv (R *r, S s, const V *v, size_t n) \ |
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72 { \ |
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73 for (size_t i = 0; i < n; i++) \ |
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74 r[i] = s OP v[i]; \ |
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75 } \ |
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76 |
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77 SV_OP_FCN (mx_inline_add, +) |
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78 SV_OP_FCN (mx_inline_subtract, -) |
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79 SV_OP_FCN (mx_inline_multiply, *) |
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80 SV_OP_FCN (mx_inline_divide, /) |
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81 |
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82 #define SV_OP(F, OP, R, S, V) \ |
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83 static inline R * \ |
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84 F (S s, const V *v, size_t n) \ |
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85 { \ |
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86 R *r = 0; \ |
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87 if (n > 0) \ |
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88 { \ |
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89 r = new R [n]; \ |
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90 F ## _sv (r, s, v, n); \ |
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91 } \ |
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92 return r; \ |
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93 } |
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94 |
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95 #define SV_OPS(R, S, V) \ |
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96 SV_OP (mx_inline_add, +, R, S, V) \ |
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97 SV_OP (mx_inline_subtract, -, R, S, V) \ |
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98 SV_OP (mx_inline_multiply, *, R, S, V) \ |
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99 SV_OP (mx_inline_divide, /, R, S, V) |
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100 |
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101 SV_OPS (double, double, double) |
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102 SV_OPS (Complex, double, Complex) |
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103 SV_OPS (Complex, Complex, double) |
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104 SV_OPS (Complex, Complex, Complex) |
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105 |
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106 #define VV_OP_FCN(F, OP) \ |
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107 template <class R, class T1, class T2> \ |
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108 inline void \ |
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109 F ## _vv (R *r, const T1 *v1, const T2 *v2, size_t n) \ |
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110 { \ |
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111 for (size_t i = 0; i < n; i++) \ |
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112 r[i] = v1[i] OP v2[i]; \ |
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113 } \ |
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114 |
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115 VV_OP_FCN (mx_inline_add, +) |
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116 VV_OP_FCN (mx_inline_subtract, -) |
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117 VV_OP_FCN (mx_inline_multiply, *) |
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118 VV_OP_FCN (mx_inline_divide, /) |
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119 |
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120 #define VV_OP(F, OP, R, T1, T2) \ |
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121 static inline R * \ |
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122 F (const T1 *v1, const T2 *v2, size_t n) \ |
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123 { \ |
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124 R *r = 0; \ |
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125 if (n > 0) \ |
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126 { \ |
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127 r = new R [n]; \ |
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128 F ## _vv (r, v1, v2, n); \ |
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129 } \ |
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130 return r; \ |
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131 } |
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132 |
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133 #define VV_OPS(R, T1, T2) \ |
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134 VV_OP (mx_inline_add, +, R, T1, T2) \ |
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135 VV_OP (mx_inline_subtract, -, R, T1, T2) \ |
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136 VV_OP (mx_inline_multiply, *, R, T1, T2) \ |
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137 VV_OP (mx_inline_divide, /, R, T1, T2) |
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138 |
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139 VV_OPS (double, double, double) |
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140 VV_OPS (Complex, double, Complex) |
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141 VV_OPS (Complex, Complex, double) |
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142 VV_OPS (Complex, Complex, Complex) |
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143 |
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144 #define VS_OP2(F, OP, V, S) \ |
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145 static inline V * \ |
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146 F (V *v, size_t n, S s) \ |
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147 { \ |
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148 for (size_t i = 0; i < n; i++) \ |
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149 v[i] OP s; \ |
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150 return v; \ |
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151 } |
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152 |
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153 #define VS_OP2S(V, S) \ |
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154 VS_OP2 (mx_inline_add2, +=, V, S) \ |
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155 VS_OP2 (mx_inline_subtract2, -=, V, S) \ |
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156 VS_OP2 (mx_inline_multiply2, *=, V, S) \ |
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157 VS_OP2 (mx_inline_divide2, /=, V, S) \ |
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158 VS_OP2 (mx_inline_copy, =, V, S) |
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159 |
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160 VS_OP2S (double, double) |
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161 VS_OP2S (Complex, double) |
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162 VS_OP2S (Complex, Complex) |
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163 |
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164 #define VV_OP2(F, OP, T1, T2) \ |
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165 static inline T1 * \ |
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166 F (T1 *v1, const T2 *v2, size_t n) \ |
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167 { \ |
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168 for (size_t i = 0; i < n; i++) \ |
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169 v1[i] OP v2[i]; \ |
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170 return v1; \ |
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171 } |
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172 |
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173 #define VV_OP2S(T1, T2) \ |
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174 VV_OP2 (mx_inline_add2, +=, T1, T2) \ |
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175 VV_OP2 (mx_inline_subtract2, -=, T1, T2) \ |
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176 VV_OP2 (mx_inline_multiply2, *=, T1, T2) \ |
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177 VV_OP2 (mx_inline_divide2, /=, T1, T2) \ |
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178 VV_OP2 (mx_inline_copy, =, T1, T2) |
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179 |
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180 VV_OP2S (double, double) |
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181 VV_OP2S (Complex, double) |
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182 VV_OP2S (Complex, Complex) |
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183 |
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184 #define OP_EQ_FCN(T1, T2) \ |
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185 static inline bool \ |
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186 mx_inline_equal (const T1 *x, const T2 *y, size_t n) \ |
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187 { \ |
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188 for (size_t i = 0; i < n; i++) \ |
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189 if (x[i] != y[i]) \ |
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190 return false; \ |
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191 return true; \ |
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192 } |
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193 |
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194 OP_EQ_FCN (bool, bool) |
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195 OP_EQ_FCN (char, char) |
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196 OP_EQ_FCN (double, double) |
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197 OP_EQ_FCN (Complex, Complex) |
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198 |
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199 #define OP_DUP_FCN(OP, F, R, T) \ |
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200 static inline R * \ |
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201 F (const T *x, size_t n) \ |
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202 { \ |
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203 R *r = 0; \ |
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204 if (n > 0) \ |
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205 { \ |
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206 r = new R [n]; \ |
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207 for (size_t i = 0; i < n; i++) \ |
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208 r[i] = OP (x[i]); \ |
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209 } \ |
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210 return r; \ |
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211 } |
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212 |
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213 OP_DUP_FCN (, mx_inline_dup, double, double) |
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214 OP_DUP_FCN (, mx_inline_dup, Complex, Complex) |
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215 |
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216 // These should really return a bool *. Also, they should probably be |
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217 // in with a collection of other element-by-element boolean ops. |
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218 OP_DUP_FCN (0.0 ==, mx_inline_not, double, double) |
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219 OP_DUP_FCN (0.0 ==, mx_inline_not, double, Complex) |
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220 |
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221 OP_DUP_FCN (, mx_inline_make_complex, Complex, double) |
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222 |
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223 OP_DUP_FCN (-, mx_inline_change_sign, double, double) |
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224 OP_DUP_FCN (-, mx_inline_change_sign, Complex, Complex) |
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225 |
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226 OP_DUP_FCN (real, mx_inline_real_dup, double, Complex) |
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227 OP_DUP_FCN (imag, mx_inline_imag_dup, double, Complex) |
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228 OP_DUP_FCN (conj, mx_inline_conj_dup, Complex, Complex) |
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229 |
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230 // Avoid some code duplication. Maybe we should use templates. |
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231 |
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232 #define MX_CUMULATIVE_OP(RET_TYPE, ELT_TYPE, OP) \ |
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233 \ |
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234 int nr = rows (); \ |
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235 int nc = cols (); \ |
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236 \ |
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237 RET_TYPE retval (nr, nc); \ |
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238 \ |
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239 if (nr > 0 && nc > 0) \ |
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240 { \ |
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241 if ((nr == 1 && dim == -1) || dim == 1) \ |
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242 { \ |
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243 for (int i = 0; i < nr; i++) \ |
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244 { \ |
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245 ELT_TYPE t = elem (i, 0); \ |
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246 for (int j = 0; j < nc; j++) \ |
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247 { \ |
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248 retval.elem (i, j) = t; \ |
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249 if (j < nc - 1) \ |
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250 t OP elem (i, j+1); \ |
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251 } \ |
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252 } \ |
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253 } \ |
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254 else \ |
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255 { \ |
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256 for (int j = 0; j < nc; j++) \ |
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257 { \ |
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258 ELT_TYPE t = elem (0, j); \ |
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259 for (int i = 0; i < nr; i++) \ |
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260 { \ |
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261 retval.elem (i, j) = t; \ |
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262 if (i < nr - 1) \ |
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263 t OP elem (i+1, j); \ |
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264 } \ |
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265 } \ |
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266 } \ |
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267 } \ |
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268 \ |
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269 return retval |
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270 |
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271 #define MX_BASE_REDUCTION_OP(RET_TYPE, ROW_EXPR, COL_EXPR, INIT_VAL, \ |
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272 MT_RESULT) \ |
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273 \ |
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274 int nr = rows (); \ |
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275 int nc = cols (); \ |
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276 \ |
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277 RET_TYPE retval; \ |
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278 \ |
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279 if (nr > 0 && nc > 0) \ |
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280 { \ |
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281 if ((nr == 1 && dim == -1) || dim == 1) \ |
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282 { \ |
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283 retval.resize (nr, 1); \ |
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284 for (int i = 0; i < nr; i++) \ |
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285 { \ |
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286 retval.elem (i, 0) = INIT_VAL; \ |
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287 for (int j = 0; j < nc; j++) \ |
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288 { \ |
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289 ROW_EXPR; \ |
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290 } \ |
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291 } \ |
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292 } \ |
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293 else \ |
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294 { \ |
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295 retval.resize (1, nc); \ |
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296 for (int j = 0; j < nc; j++) \ |
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297 { \ |
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298 retval.elem (0, j) = INIT_VAL; \ |
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299 for (int i = 0; i < nr; i++) \ |
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300 { \ |
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301 COL_EXPR; \ |
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302 } \ |
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303 } \ |
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304 } \ |
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305 } \ |
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306 else if (nc == 0 && (nr == 0 || (nr == 1 && dim == -1))) \ |
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307 retval.resize (1, 1, MT_RESULT); \ |
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308 else if (nr == 0 && (dim == 0 || dim == -1)) \ |
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309 retval.resize (1, nc, MT_RESULT); \ |
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310 else if (nc == 0 && dim == 1) \ |
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311 retval.resize (nr, 1, MT_RESULT); \ |
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312 else \ |
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313 retval.resize (nr > 0, nc > 0); \ |
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314 \ |
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315 return retval |
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316 |
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317 #define MX_REDUCTION_OP_ROW_EXPR(OP) \ |
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318 retval.elem (i, 0) OP elem (i, j) |
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319 |
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320 #define MX_REDUCTION_OP_COL_EXPR(OP) \ |
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321 retval.elem (0, j) OP elem (i, j) |
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322 |
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323 #define MX_REDUCTION_OP(RET_TYPE, OP, INIT_VAL, MT_RESULT) \ |
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324 MX_BASE_REDUCTION_OP (RET_TYPE, \ |
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325 MX_REDUCTION_OP_ROW_EXPR (OP), \ |
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326 MX_REDUCTION_OP_COL_EXPR (OP), \ |
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327 INIT_VAL, MT_RESULT) |
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328 |
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329 #define MX_ANY_ALL_OP_ROW_CODE(TEST_OP, TEST_TRUE_VAL) \ |
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330 if (elem (i, j) TEST_OP 0.0) \ |
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331 { \ |
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332 retval.elem (i, 0) = TEST_TRUE_VAL; \ |
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333 break; \ |
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334 } |
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335 |
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336 #define MX_ANY_ALL_OP_COL_CODE(TEST_OP, TEST_TRUE_VAL) \ |
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337 if (elem (i, j) TEST_OP 0.0) \ |
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338 { \ |
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339 retval.elem (0, j) = TEST_TRUE_VAL; \ |
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340 break; \ |
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341 } |
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342 |
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343 #define MX_ANY_ALL_OP(DIM, INIT_VAL, TEST_OP, TEST_TRUE_VAL) \ |
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344 MX_BASE_REDUCTION_OP (boolMatrix, \ |
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345 MX_ANY_ALL_OP_ROW_CODE (TEST_OP, TEST_TRUE_VAL), \ |
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346 MX_ANY_ALL_OP_COL_CODE (TEST_OP, TEST_TRUE_VAL), \ |
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347 INIT_VAL, INIT_VAL) |
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348 |
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349 #define MX_ALL_OP(DIM) MX_ANY_ALL_OP (DIM, true, ==, false) |
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350 |
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351 #define MX_ANY_OP(DIM) MX_ANY_ALL_OP (DIM, false, !=, true) |
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352 |
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4556
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353 #define MX_ND_ALL_EXPR elem (iter_idx) == 0 |
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354 |
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355 #define MX_ND_ANY_EXPR elem (iter_idx) |
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356 |
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357 #define MX_ND_ALL_EVAL(TEST_EXPR) \ |
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358 if (TEST_EXPR) \ |
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359 { \ |
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360 if (dim > -1) \ |
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361 iter_idx (dim) = 0; \ |
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362 retval (iter_idx) = 0; \ |
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363 break; \ |
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364 } \ |
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365 else \ |
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366 { \ |
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367 if (dim > -1) \ |
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368 iter_idx (dim) = 0; \ |
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369 retval (iter_idx) = 1; \ |
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370 } \ |
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371 |
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372 #define MX_ND_ANY_EVAL(TEST_EXPR) \ |
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373 if (TEST_EXPR) \ |
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374 { \ |
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375 if (dim > -1) \ |
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376 iter_idx (dim) = 0; \ |
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377 retval (iter_idx) = 1; \ |
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378 break; \ |
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379 } |
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380 |
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381 #define MX_ND_ALL_ANY(EVAL_EXPR) \ |
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382 \ |
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383 boolNDArray retval; \ |
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384 \ |
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385 dim_vector dv = dims (); \ |
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386 \ |
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387 if (dim == -1)/* We need to find first non-singleton dim */ \ |
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388 { \ |
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389 for (int i = 0; i < dv.length (); i++) \ |
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390 { \ |
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391 if (dv (i) > 1) \ |
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392 { \ |
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393 dim = i; \ |
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394 break; \ |
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395 } \ |
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396 } \ |
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397 if (dim == -1) \ |
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398 { \ |
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399 (*current_liboctave_error_handler) \ |
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400 ("all dimensions are singleton"); \ |
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401 return retval; \ |
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402 } \ |
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403 } \ |
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404 /* Length of Dimension */\ |
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405 int dim_length = 1; \ |
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406 /* dim = -1 means from here that the user specified a */ \ |
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407 /* dimension which is larger that the number of dimensions */ \ |
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408 /* of the array */ \ |
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409 if (dim >= dv.length ()) \ |
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410 dim = -1; \ |
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411 else \ |
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412 dim_length = dv (dim); \ |
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413 if (dim > -1) \ |
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414 dv (dim) = 1; \ |
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415 \ |
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416 /* We need to find the number of elements we need to */ \ |
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417 /* fill in retval. First we need to get last idx of */ \ |
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418 /* the dimension vector */ \ |
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419 Array<int> temp_dv (dv.length (), 0); \ |
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420 for (int x = 0; x < dv.length (); x++) \ |
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421 temp_dv (x) = dv (x) - 1; \ |
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422 \ |
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423 /* This finds the number of elements in retval */ \ |
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424 int num_iter = compute_index (temp_dv, dv) + 1; \ |
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425 \ |
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426 /* Make sure retval has correct dimensions */ \ |
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427 retval.resize (dv, false); \ |
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428 \ |
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429 Array<int> iter_idx (dv.length (), 0); \ |
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430 \ |
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431 /* Filling in values. */ \ |
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432 /* First loop finds new index */ \ |
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433 for (int j = 0; j < num_iter; j++) \ |
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434 { \ |
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435 for (int i = 0; i < dim_length; i++) \ |
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436 { \ |
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437 if (dim > -1) \ |
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438 iter_idx (dim) = i; \ |
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439 \ |
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440 EVAL_EXPR \ |
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441 } \ |
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442 \ |
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443 if (dim > -1) \ |
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444 iter_idx (dim) = 0; \ |
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445 \ |
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446 increment_index (iter_idx, dv); \ |
|
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447 } \ |
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448 \ |
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449 return retval |
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|
450 |
|
|
451 |
|
2804
|
452 #endif |
|
3
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453 |
|
|
454 /* |
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455 ;;; Local Variables: *** |
|
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456 ;;; mode: C++ *** |
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457 ;;; End: *** |
|
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458 */ |
