1 | /**************************************** |
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2 | * Computer Algebra System SINGULAR * |
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3 | ****************************************/ |
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4 | /* |
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5 | * ABSTRACT: computations with GMP complex floating-point numbers |
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6 | * |
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7 | * ngc == number gnu complex |
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8 | */ |
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9 | #include "misc/auxiliary.h" |
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10 | |
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11 | #include "misc/mylimits.h" |
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12 | #include "reporter/reporter.h" |
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13 | |
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14 | #include "coeffs/coeffs.h" |
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15 | #include "coeffs/numbers.h" |
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16 | |
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17 | #include "coeffs/mpr_complex.h" |
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18 | |
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19 | #include "coeffs/gnumpc.h" |
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20 | #include "coeffs/longrat.h" |
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21 | #include "coeffs/gnumpfl.h" |
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22 | #include "coeffs/modulop.h" |
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23 | #include "coeffs/shortfl.h" |
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24 | |
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25 | #ifdef LDEBUG |
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26 | BOOLEAN ngcDBTest(number a, const char *f, const int l, const coeffs r); |
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27 | #endif |
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28 | |
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29 | |
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30 | #ifdef LDEBUG |
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31 | // not yet implemented |
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32 | BOOLEAN ngcDBTest(number, const char *, const int, const coeffs r) |
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33 | { |
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34 | assume( getCoeffType(r) == n_long_C ); |
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35 | |
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36 | return TRUE; |
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37 | } |
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38 | #endif |
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39 | |
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40 | static number ngcParameter(int i, const coeffs r) |
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41 | { |
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42 | assume( getCoeffType(r) == n_long_C ); |
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43 | assume(i==1); |
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44 | |
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45 | if( i == 1 ) |
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46 | return (number)(new gmp_complex( 0L, 1L )); |
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47 | |
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48 | return NULL; // new gmp_complex( ) // 0? |
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49 | } |
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50 | |
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51 | /*2 |
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52 | * n := i |
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53 | */ |
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54 | static number ngcInit (long i, const coeffs r) |
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55 | { |
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56 | assume( getCoeffType(r) == n_long_C ); |
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57 | |
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58 | gmp_complex* n= new gmp_complex( (long)i, 0L ); |
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59 | |
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60 | return (number)n; |
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61 | } |
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62 | |
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63 | /*2 |
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64 | * convert number to int |
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65 | */ |
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66 | static long ngcInt(number &i, const coeffs r) |
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67 | { |
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68 | assume( getCoeffType(r) == n_long_C ); |
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69 | |
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70 | return ((gmp_complex*)i)->real(); |
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71 | } |
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72 | |
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73 | static BOOLEAN ngcIsZero (number a, const coeffs r) |
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74 | { |
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75 | assume( getCoeffType(r) == n_long_C ); |
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76 | |
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77 | return ( ((gmp_complex*)a)->real().isZero() && ((gmp_complex*)a)->imag().isZero()); |
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78 | } |
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79 | |
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80 | static int ngcSize(number n, const coeffs R) |
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81 | { |
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82 | int r = (int)((gmp_complex*)n)->real(); |
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83 | if (r < 0) r = -r; |
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84 | int i = (int)((gmp_complex*)n)->imag(); |
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85 | if (i < 0) i = -i; |
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86 | int oneNorm = r + i; |
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87 | /* basically return the 1-norm of n; |
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88 | only if this happens to be zero although n != 0, |
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89 | return 1; |
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90 | (this code ensures that zero has the size zero) */ |
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91 | if ((oneNorm == 0.0) & (ngcIsZero(n,R) == FALSE)) oneNorm = 1; |
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92 | return oneNorm; |
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93 | } |
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94 | |
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95 | /*2 |
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96 | * delete a |
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97 | */ |
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98 | static void ngcDelete (number * a, const coeffs r) |
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99 | { |
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100 | assume( getCoeffType(r) == n_long_C ); |
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101 | |
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102 | if ( *a != NULL ) |
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103 | { |
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104 | delete *(gmp_complex**)a; |
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105 | *a=NULL; |
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106 | } |
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107 | } |
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108 | |
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109 | /*2 |
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110 | * copy a to b |
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111 | */ |
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112 | static number ngcCopy(number a, const coeffs r) |
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113 | { |
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114 | assume( getCoeffType(r) == n_long_C ); |
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115 | |
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116 | gmp_complex* b= new gmp_complex( *(gmp_complex*)a ); |
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117 | return (number)b; |
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118 | } |
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119 | |
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120 | |
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121 | /*2 |
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122 | * za:= - za |
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123 | */ |
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124 | static number ngcNeg (number a, const coeffs R) |
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125 | { |
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126 | assume( getCoeffType(R) == n_long_C ); |
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127 | |
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128 | gmp_complex* r=(gmp_complex*)a; |
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129 | (*r).neg(); |
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130 | return (number)a; |
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131 | } |
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132 | |
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133 | /* |
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134 | * 1/a |
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135 | */ |
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136 | static number ngcInvers(number a, const coeffs R) |
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137 | { |
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138 | assume( getCoeffType(R) == n_long_C ); |
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139 | |
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140 | gmp_complex* r = NULL; |
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141 | if (((gmp_complex*)a)->isZero()) |
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142 | { |
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143 | WerrorS(nDivBy0); |
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144 | r = new gmp_complex( 0 ); |
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145 | } |
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146 | else |
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147 | { |
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148 | r = new gmp_complex( (gmp_complex)1 / (*(gmp_complex*)a) ); |
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149 | } |
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150 | return (number)r; |
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151 | } |
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152 | |
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153 | /*2 |
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154 | * u:= a + b |
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155 | */ |
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156 | static number ngcAdd (number a, number b, const coeffs R) |
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157 | { |
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158 | assume( getCoeffType(R) == n_long_C ); |
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159 | |
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160 | gmp_complex* r= new gmp_complex( (*(gmp_complex*)a) + (*(gmp_complex*)b) ); |
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161 | return (number)r; |
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162 | } |
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163 | |
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164 | static void ngcInpAdd (number &a, number b, const coeffs R) |
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165 | { |
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166 | assume( getCoeffType(R) == n_long_C ); |
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167 | |
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168 | (*(gmp_complex*)a) += (*(gmp_complex*)b); |
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169 | } |
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170 | |
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171 | /*2 |
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172 | * u:= a - b |
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173 | */ |
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174 | static number ngcSub (number a, number b, const coeffs R) |
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175 | { |
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176 | assume( getCoeffType(R) == n_long_C ); |
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177 | |
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178 | gmp_complex* r= new gmp_complex( (*(gmp_complex*)a) - (*(gmp_complex*)b) ); |
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179 | return (number)r; |
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180 | } |
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181 | |
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182 | /*2 |
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183 | * u := a * b |
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184 | */ |
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185 | static number ngcMult (number a, number b, const coeffs R) |
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186 | { |
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187 | assume( getCoeffType(R) == n_long_C ); |
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188 | |
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189 | gmp_complex* r= new gmp_complex( (*(gmp_complex*)a) * (*(gmp_complex*)b) ); |
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190 | return (number)r; |
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191 | } |
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192 | |
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193 | static void ngcInpMult (number &a, number b, const coeffs R) |
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194 | { |
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195 | assume( getCoeffType(R) == n_long_C ); |
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196 | |
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197 | (*(gmp_complex*)a) *= (*(gmp_complex*)b); |
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198 | } |
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199 | |
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200 | /*2 |
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201 | * u := a / b |
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202 | */ |
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203 | static number ngcDiv (number a, number b, const coeffs r) |
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204 | { |
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205 | assume( getCoeffType(r) == n_long_C ); |
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206 | |
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207 | if (((gmp_complex*)b)->isZero()) |
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208 | { |
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209 | // a/0 = error |
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210 | WerrorS(nDivBy0); |
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211 | return (number)new gmp_complex( 0 ); |
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212 | } |
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213 | gmp_complex* res = new gmp_complex( (*(gmp_complex*)a) / (*(gmp_complex*)b) ); |
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214 | return (number)res; |
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215 | } |
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216 | |
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217 | /*2 |
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218 | * u:= x ^ exp |
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219 | */ |
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220 | static void ngcPower ( number x, int exp, number * u, const coeffs r) |
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221 | { |
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222 | assume( getCoeffType(r) == n_long_C ); |
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223 | |
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224 | if ( exp == 0 ) |
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225 | { |
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226 | gmp_complex* n = new gmp_complex(1); |
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227 | *u=(number)n; |
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228 | return; |
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229 | } |
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230 | else if ( exp == 1 ) |
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231 | { |
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232 | gmp_complex* n = new gmp_complex(); |
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233 | *n= *(gmp_complex*)x; |
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234 | *u=(number)n; |
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235 | return; |
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236 | } |
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237 | else if (exp == 2) |
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238 | { |
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239 | gmp_complex* n = new gmp_complex(); |
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240 | *n= *(gmp_complex*)x; |
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241 | *u=(number)n; |
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242 | *(gmp_complex*)(*u) *= *(gmp_complex*)n; |
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243 | return; |
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244 | } |
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245 | if ( (exp & 1) == 1 ) |
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246 | { |
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247 | ngcPower(x,exp-1,u, r); |
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248 | gmp_complex *n = new gmp_complex(); |
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249 | *n=*(gmp_complex*)x; |
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250 | *(gmp_complex*)(*u) *= *(gmp_complex*)n; |
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251 | delete n; |
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252 | } |
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253 | else |
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254 | { |
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255 | number w=NULL; |
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256 | ngcPower(x,exp/2,&w, r); |
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257 | ngcPower(w,2,u, r); |
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258 | n_Delete(&w, r); |
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259 | } |
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260 | } |
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261 | |
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262 | static number ngcRePart(number a, const coeffs r) |
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263 | { |
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264 | assume( getCoeffType(r) == n_long_C ); |
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265 | |
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266 | gmp_complex* n = new gmp_complex(((gmp_complex*)a)->real()); |
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267 | return (number)n; |
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268 | } |
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269 | |
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270 | static number ngcImPart(number a, const coeffs r) |
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271 | { |
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272 | assume( getCoeffType(r) == n_long_C ); |
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273 | |
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274 | gmp_complex* n = new gmp_complex(((gmp_complex*)a)->imag()); |
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275 | return (number)n; |
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276 | } |
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277 | |
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278 | /*2 |
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279 | * za >= 0 ? |
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280 | */ |
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281 | static BOOLEAN ngcGreaterZero (number a, const coeffs r) |
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282 | { |
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283 | assume( getCoeffType(r) == n_long_C ); |
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284 | |
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285 | if ( ! ((gmp_complex*)a)->imag().isZero() ) |
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286 | return ( abs( *(gmp_complex*)a).sign() >= 0 ); |
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287 | else |
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288 | return ( ((gmp_complex*)a)->real().sign() >= 0 ); |
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289 | } |
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290 | |
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291 | /*2 |
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292 | * a > b ? |
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293 | */ |
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294 | static BOOLEAN ngcGreater (number a, number b, const coeffs r) |
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295 | { |
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296 | assume( getCoeffType(r) == n_long_C ); |
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297 | |
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298 | gmp_complex *aa=(gmp_complex*)a; |
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299 | gmp_complex *bb=(gmp_complex*)b; |
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300 | return (*aa) > (*bb); |
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301 | } |
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302 | |
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303 | /*2 |
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304 | * a = b ? |
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305 | */ |
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306 | static BOOLEAN ngcEqual (number a, number b, const coeffs r) |
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307 | { |
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308 | assume( getCoeffType(r) == n_long_C ); |
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309 | |
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310 | gmp_complex *aa=(gmp_complex*)a; |
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311 | gmp_complex *bb=(gmp_complex*)b; |
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312 | return (*aa) == (*bb); |
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313 | } |
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314 | |
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315 | /*2 |
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316 | * a == 1 ? |
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317 | */ |
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318 | static BOOLEAN ngcIsOne (number a, const coeffs r) |
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319 | { |
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320 | assume( getCoeffType(r) == n_long_C ); |
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321 | |
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322 | return (((gmp_complex*)a)->real().isOne() && ((gmp_complex*)a)->imag().isZero()); |
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323 | //return (((gmp_complex*)a)->real().isOne()); |
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324 | } |
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325 | |
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326 | /*2 |
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327 | * a == -1 ? |
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328 | */ |
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329 | static BOOLEAN ngcIsMOne (number a, const coeffs r) |
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330 | { |
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331 | assume( getCoeffType(r) == n_long_C ); |
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332 | |
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333 | return (((gmp_complex*)a)->real().isMOne() && ((gmp_complex*)a)->imag().isZero()); |
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334 | //return (((gmp_complex*)a)->real().isMOne()); |
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335 | } |
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336 | |
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337 | /*2 |
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338 | * extracts the number a from s, returns the rest |
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339 | */ |
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340 | static const char * ngcRead (const char * s, number * a, const coeffs r) |
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341 | { |
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342 | assume( getCoeffType(r) == n_long_C ); |
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343 | const char * const complex_parameter = n_ParameterNames(r)[0]; |
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344 | assume( complex_parameter != NULL ); |
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345 | const int N = strlen(complex_parameter); |
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346 | |
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347 | if ((*s >= '0') && (*s <= '9')) |
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348 | { |
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349 | gmp_float *re=NULL; |
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350 | s=ngfRead(s,(number *)&re, r); // FIXME? TODO? // extern const char * ngfRead (const char *s, number *a, const coeffs r); |
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351 | gmp_complex *aa=new gmp_complex(*re); |
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352 | *a=(number)aa; |
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353 | delete re; |
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354 | } |
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355 | else if (strncmp(s, complex_parameter, N)==0) |
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356 | { |
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357 | s += N; |
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358 | gmp_complex *aa=new gmp_complex(0L,1L); |
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359 | *a=(number)aa; |
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360 | } |
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361 | else |
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362 | { |
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363 | *a=(number) new gmp_complex(1L); |
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364 | } |
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365 | return s; |
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366 | } |
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367 | |
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368 | |
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369 | |
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370 | /*2 |
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371 | * write a floating point number |
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372 | */ |
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373 | static void ngcWrite (number a, const coeffs r) |
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374 | { |
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375 | assume( getCoeffType(r) == n_long_C ); |
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376 | |
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377 | if (a==NULL) |
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378 | StringAppendS("0"); |
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379 | else |
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380 | { |
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381 | char *out; |
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382 | out= complexToStr(*(gmp_complex*)a, r->float_len, r); |
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383 | StringAppendS(out); |
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384 | // omFreeSize((void *)out, (strlen(out)+1)* sizeof(char) ); |
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385 | omFree( (void *)out ); |
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386 | } |
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387 | } |
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388 | |
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389 | static BOOLEAN ngcCoeffIsEqual (const coeffs r, n_coeffType n, void * parameter) |
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390 | { |
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391 | if (n==n_long_C) |
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392 | { |
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393 | LongComplexInfo* p = (LongComplexInfo *)(parameter); |
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394 | |
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395 | if ((p==NULL) |
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396 | && (SHORT_REAL_LENGTH==r->float_len) |
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397 | && (SHORT_REAL_LENGTH==r->float_len2) |
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398 | && (strcmp("i",n_ParameterNames(r)[0]) == 0) |
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399 | ) |
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400 | return TRUE; |
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401 | if ((p!=NULL) && |
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402 | (p->float_len == r->float_len) && |
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403 | (p->float_len2 == r->float_len2) |
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404 | ) |
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405 | if (strcmp(p->par_name, n_ParameterNames(r)[0]) == 0) |
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406 | return (TRUE); |
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407 | } |
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408 | return (FALSE); |
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409 | } |
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410 | |
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411 | static void ngcKillChar(coeffs r) |
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412 | { |
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413 | char** p = (char**)n_ParameterNames(r); |
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414 | |
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415 | const int P = n_NumberOfParameters(r); |
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416 | |
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417 | for( int i = 1; i <= P; i++ ) |
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418 | if (p[i-1] != NULL) |
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419 | omFree( (ADDRESS)p[i-1] ); |
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420 | |
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421 | omFreeSize((ADDRESS)p, P * sizeof(char*)); |
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422 | } |
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423 | |
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424 | static char* ngcCoeffName(const coeffs r) |
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425 | { |
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426 | STATIC_VAR char ngcCoeffName_buf[40]; |
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427 | const char *p=n_ParameterNames(r)[0]; |
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428 | sprintf(ngcCoeffName_buf,"complex,%d,%d,%s",r->float_len,r->float_len2,p); |
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429 | return ngcCoeffName_buf; |
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430 | } |
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431 | |
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432 | static void ngcCoeffWrite (const coeffs r, BOOLEAN /*details*/) |
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433 | { |
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434 | Print("real[%s](complex:%d digits, additional %d digits)/(%s^2+1)",n_ParameterNames(r)[0], |
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435 | r->float_len, r->float_len2, n_ParameterNames(r)[0]); /* long C */ |
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436 | } |
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437 | |
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438 | static number ngcMapQ(number from, const coeffs aRing, const coeffs r) |
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439 | { |
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440 | assume( getCoeffType(r) == n_long_C ); |
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441 | assume( aRing->rep == n_rep_gap_rat); |
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442 | |
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443 | if ( from != NULL ) |
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444 | { |
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445 | gmp_complex *res=new gmp_complex(numberFieldToFloat(from,QTOF)); |
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446 | return (number)res; |
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447 | } |
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448 | else |
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449 | return NULL; |
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450 | } |
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451 | |
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452 | static number ngcMapZ(number from, const coeffs aRing, const coeffs r) |
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453 | { |
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454 | assume( getCoeffType(r) == n_long_C ); |
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455 | assume( aRing->rep == n_rep_gap_gmp); |
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456 | |
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457 | if ( from != NULL ) |
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458 | { |
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459 | if (SR_HDL(from) & SR_INT) |
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460 | { |
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461 | gmp_float f_i= gmp_float(SR_TO_INT(from)); |
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462 | gmp_complex *res=new gmp_complex(f_i); |
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463 | return (number)res; |
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464 | } |
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465 | gmp_float f_i=(mpz_ptr)from; |
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466 | gmp_complex *res=new gmp_complex(f_i); |
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467 | return (number)res; |
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468 | } |
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469 | else |
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470 | return NULL; |
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471 | } |
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472 | |
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473 | static number ngcMapLongR(number from, const coeffs aRing, const coeffs r) |
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474 | { |
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475 | assume( getCoeffType(r) == n_long_C ); |
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476 | assume( getCoeffType(aRing) == n_long_R ); |
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477 | |
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478 | if ( from != NULL ) |
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479 | { |
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480 | gmp_complex *res=new gmp_complex(*((gmp_float *)from)); |
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481 | return (number)res; |
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482 | } |
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483 | else |
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484 | return NULL; |
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485 | } |
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486 | |
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487 | static number ngcMapR(number from, const coeffs aRing, const coeffs r) |
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488 | { |
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489 | assume( getCoeffType(r) == n_long_C ); |
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490 | assume( getCoeffType(aRing) == n_R ); |
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491 | |
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492 | if ( from != NULL ) |
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493 | { |
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494 | gmp_complex *res=new gmp_complex((double)nrFloat(from)); |
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495 | return (number)res; |
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496 | } |
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497 | else |
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498 | return NULL; |
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499 | } |
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500 | |
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501 | static number ngcMapP(number from, const coeffs aRing, const coeffs r) |
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502 | { |
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503 | assume( getCoeffType(r) == n_long_C ); |
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504 | assume( getCoeffType(aRing) == n_Zp ); |
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505 | |
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506 | if ( from != NULL ) |
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507 | return ngcInit(npInt(from, aRing), r); // FIXME? TODO? // extern int npInt (number &n, const coeffs r); |
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508 | else |
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509 | return NULL; |
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510 | } |
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511 | |
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512 | static number ngcCopyMap(number from, const coeffs aRing, const coeffs r) |
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513 | { |
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514 | assume( getCoeffType(r) == n_long_C ); |
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515 | assume( getCoeffType(aRing) == n_long_C ); |
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516 | |
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517 | gmp_complex* b = NULL; |
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518 | |
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519 | if ( from != NULL ) |
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520 | { |
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521 | b = new gmp_complex( *(gmp_complex*)from ); |
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522 | } |
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523 | return (number)b; |
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524 | } |
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525 | |
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526 | static number ngcInitMPZ(mpz_t m, const coeffs) |
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527 | { |
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528 | gmp_float mm(m); |
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529 | gmp_complex* res = new gmp_complex(mm); |
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530 | return (number)res; |
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531 | } |
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532 | |
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533 | |
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534 | static nMapFunc ngcSetMap(const coeffs src, const coeffs dst) |
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535 | { |
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536 | assume( getCoeffType(dst) == n_long_C ); |
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537 | |
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538 | if (src->rep==n_rep_gap_rat) /* Q, Z*/ |
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539 | { |
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540 | return ngcMapQ; |
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541 | } |
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542 | if (src->rep==n_rep_gap_gmp) /* Z */ |
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543 | { |
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544 | return ngcMapZ; |
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545 | } |
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546 | if ((src->rep==n_rep_gmp_float) && nCoeff_is_long_R(src)) |
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547 | { |
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548 | return ngcMapLongR; |
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549 | } |
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550 | if ((src->rep==n_rep_gmp_complex) && nCoeff_is_long_C(src)) |
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551 | { |
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552 | return ngcCopyMap; |
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553 | } |
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554 | if ((src->rep==n_rep_float) && nCoeff_is_R(src)) |
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555 | { |
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556 | return ngcMapR; |
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557 | } |
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558 | if ((src->rep==n_rep_int) && nCoeff_is_Zp(src)) |
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559 | { |
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560 | return ngcMapP; |
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561 | } |
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562 | return NULL; |
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563 | } |
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564 | |
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565 | BOOLEAN ngcInitChar(coeffs n, void* parameter) |
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566 | { |
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567 | assume( getCoeffType(n) == n_long_C ); |
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568 | n->is_field=TRUE; |
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569 | n->is_domain=TRUE; |
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570 | n->rep=n_rep_gmp_complex; |
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571 | |
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572 | n->cfKillChar = ngcKillChar; |
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573 | n->ch = 0; |
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574 | n->cfCoeffName=ngcCoeffName; |
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575 | n->cfCoeffWrite = ngcCoeffWrite; |
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576 | |
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577 | n->cfDelete = ngcDelete; |
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578 | //n->cfNormalize=ndNormalize; |
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579 | n->cfInit = ngcInit; |
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580 | n->cfInitMPZ = ngcInitMPZ; |
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581 | n->cfInt = ngcInt; |
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582 | n->cfAdd = ngcAdd; |
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583 | n->cfInpAdd = ngcInpAdd; |
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584 | n->cfSub = ngcSub; |
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585 | n->cfMult = ngcMult; |
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586 | n->cfInpMult = ngcInpMult; |
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587 | n->cfDiv = ngcDiv; |
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588 | n->cfExactDiv= ngcDiv; |
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589 | n->cfInpNeg = ngcNeg; |
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590 | n->cfInvers = ngcInvers; |
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591 | n->cfCopy = ngcCopy; |
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592 | n->cfGreater = ngcGreater; |
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593 | n->cfEqual = ngcEqual; |
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594 | n->cfIsZero = ngcIsZero; |
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595 | n->cfIsOne = ngcIsOne; |
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596 | n->cfIsMOne = ngcIsMOne; |
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597 | n->cfGreaterZero = ngcGreaterZero; |
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598 | n->cfSize = ngcSize; |
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599 | |
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600 | n->cfWriteLong = ngcWrite; |
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601 | n->cfWriteShort = ngcWrite; |
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602 | |
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603 | n->cfRead = ngcRead; |
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604 | n->cfPower = ngcPower; |
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605 | n->cfSetMap = ngcSetMap; |
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606 | n->cfRePart = ngcRePart; |
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607 | n->cfImPart = ngcImPart; |
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608 | // cfSize = ndSize; |
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609 | #ifdef LDEBUG |
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610 | //n->cfDBTest = ndDBTest; // not yet implemented: ngcDBTest |
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611 | #endif |
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612 | |
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613 | n->nCoeffIsEqual = ngcCoeffIsEqual; |
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614 | |
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615 | n->cfSetChar=ngcSetChar; |
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616 | |
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617 | /* |
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618 | //r->cfInitChar=nlInitChar; |
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619 | r->cfKillChar=NULL; |
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620 | |
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621 | r->cfMult = nlMult; |
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622 | r->cfSub = nlSub; |
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623 | r->cfAdd = nlAdd; |
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624 | r->cfDiv = nlDiv; |
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625 | r->cfIntMod= nlIntMod; |
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626 | r->cfExactDiv= nlExactDiv; |
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627 | r->cfInit = nlInit; |
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628 | r->cfSize = nlSize; |
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629 | r->cfInt = nlInt; |
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630 | #ifdef HAVE_RINGS |
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631 | r->cfDivComp = NULL; // only for ring stuff |
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632 | r->cfIsUnit = NULL; // only for ring stuff |
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633 | r->cfGetUnit = NULL; // only for ring stuff |
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634 | r->cfExtGcd = NULL; // only for ring stuff |
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635 | #endif |
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636 | r->cfInpNeg = nlNeg; |
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637 | r->cfInvers= nlInvers; |
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638 | r->cfCopy = nl_Copy; |
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639 | r->cfRePart = nl_Copy; |
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640 | r->cfImPart = ndReturn0; |
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641 | r->cfWriteLong = nlWrite; |
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642 | r->cfRead = nlRead; |
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643 | r->cfNormalize=nlNormalize; |
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644 | r->cfGreater = nlGreater; |
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645 | #ifdef HAVE_RINGS |
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646 | r->cfDivBy = NULL; // only for ring stuff |
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647 | #endif |
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648 | r->cfEqual = nlEqual; |
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649 | r->cfIsZero = nlIsZero; |
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650 | r->cfIsOne = nlIsOne; |
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651 | r->cfIsMOne = nlIsMOne; |
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652 | r->cfGreaterZero = nlGreaterZero; |
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653 | r->cfPower = nlPower; |
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654 | r->cfGetDenom = nlGetDenom; |
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655 | r->cfGetNumerator = nlGetNumerator; |
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656 | r->cfGcd = nlGcd; |
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657 | r->cfLcm = nlLcm; |
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658 | r->cfDelete= nlDelete; |
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659 | r->cfSetMap = nlSetMap; |
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660 | r->cfName = ndName; |
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661 | r->cfInpMult=nlInpMult; |
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662 | #ifdef LDEBUG |
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663 | // debug stuff |
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664 | r->cfDBTest=nlDBTest; |
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665 | #endif |
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666 | |
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667 | // the variables: |
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668 | r->type = n_Q; |
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669 | r->ch = 0; |
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670 | r->has_simple_Alloc=FALSE; |
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671 | r->has_simple_Inverse=FALSE; |
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672 | */ |
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673 | |
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674 | n->iNumberOfParameters = 1; |
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675 | n->cfParameter = ngcParameter; |
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676 | |
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677 | char ** pParameterNames = (char **) omAlloc0(sizeof(char *)); |
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678 | |
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679 | if( parameter != NULL) |
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680 | { |
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681 | LongComplexInfo* p = (LongComplexInfo*)parameter; |
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682 | pParameterNames[0] = omStrDup(p->par_name); |
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683 | // fix wrong parameters: |
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684 | if (p->float_len<SHORT_REAL_LENGTH) p->float_len=SHORT_REAL_LENGTH; |
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685 | n->float_len = p->float_len; |
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686 | n->float_len2 = p->float_len2; |
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687 | |
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688 | } else // default values, just for testing! |
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689 | { |
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690 | pParameterNames[0] = omStrDup("i"); |
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691 | n->float_len = SHORT_REAL_LENGTH; |
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692 | n->float_len2 = SHORT_REAL_LENGTH; |
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693 | } |
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694 | |
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695 | assume( pParameterNames != NULL ); |
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696 | assume( pParameterNames[0] != NULL ); |
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697 | |
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698 | n->pParameterNames = (const char**)pParameterNames; |
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699 | |
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700 | // NOTE: n->complex_parameter was replaced by n_ParameterNames(n)[0] |
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701 | // TODO: nfKillChar MUST destroy n->pParameterNames[0] (0-term. string) && n->pParameterNames (array of size 1) |
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702 | |
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703 | return FALSE; |
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704 | } |
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705 | |
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706 | void ngcSetChar(const coeffs r) |
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707 | { |
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708 | setGMPFloatDigits(r->float_len, r->float_len2); |
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709 | } |
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710 | |
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711 | |
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712 | |
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