1 | #ifndef COEFFS_H |
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2 | #define COEFFS_H |
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3 | /**************************************** |
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4 | * Computer Algebra System SINGULAR * |
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5 | ****************************************/ |
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6 | /* $Id$ */ |
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7 | /* |
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8 | * ABSTRACT |
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9 | */ |
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10 | |
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11 | #define TRUE 1 |
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12 | #define FALSE 0 |
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13 | |
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14 | #ifndef NULL |
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15 | #define NULL (0) |
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16 | #endif |
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17 | |
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18 | #if (SIZEOF_LONG == 8) |
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19 | typedef int BOOLEAN; |
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20 | /* testet on x86_64, gcc 3.4.6: 2 % */ |
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21 | /* testet on IA64, gcc 3.4.6: 1 % */ |
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22 | #else |
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23 | /* testet on athlon, gcc 2.95.4: 1 % */ |
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24 | typedef short BOOLEAN; |
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25 | #endif |
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26 | #define loop for(;;) |
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27 | |
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28 | #if defined(SI_CPU_I386) || defined(SI_CPU_X86_64) |
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29 | // the following settings seems to be better on i386 and x86_64 processors |
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30 | // define if a*b is with mod instead of tables |
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31 | #define HAVE_MULT_MOD |
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32 | // #define HAVE_GENERIC_ADD |
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33 | // #ifdef HAVE_MULT_MOD |
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34 | // #define HAVE_DIV_MOD |
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35 | // #endif |
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36 | #elif defined(SI_CPU_IA64) |
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37 | // the following settings seems to be better on itanium processors |
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38 | // #define HAVE_MULT_MOD |
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39 | #define HAVE_GENERIC_ADD |
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40 | // #ifdef HAVE_MULT_MOD |
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41 | // #define HAVE_DIV_MOD |
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42 | // #endif |
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43 | #elif defined(SI_CPU_SPARC) |
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44 | // #define HAVE_GENERIC_ADD |
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45 | #define HAVE_MULT_MOD |
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46 | #ifdef HAVE_MULT_MOD |
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47 | #define HAVE_DIV_MOD |
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48 | #endif |
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49 | #elif defined(SI_CPU_PPC) |
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50 | // the following settings seems to be better on ppc processors |
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51 | // testet on: ppc_Linux, 740/750 PowerMac G3, 512k L2 cache |
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52 | #define HAVE_MULT_MOD |
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53 | // #ifdef HAVE_MULT_MOD |
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54 | // #define HAVE_DIV_MOD |
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55 | // #endif |
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56 | #endif |
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57 | |
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58 | enum n_coeffType |
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59 | { |
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60 | n_unknown=0, |
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61 | n_Zp, |
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62 | n_Q, |
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63 | n_R, |
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64 | n_GF, |
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65 | n_long_R, |
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66 | n_Zp_a, |
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67 | n_Q_a, |
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68 | n_long_C |
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69 | #ifdef HAVE_RINGS |
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70 | ,n_Z, |
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71 | n_Zm, |
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72 | n_Zpn, |
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73 | n_Z2n |
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74 | #endif |
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75 | }; |
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76 | |
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77 | struct n_Procs_s; |
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78 | typedef struct n_Procs_s n_Procs_s; |
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79 | typedef struct n_Procs_s *coeffs; |
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80 | |
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81 | |
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82 | |
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83 | struct snumber; |
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84 | typedef struct snumber * number; |
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85 | typedef number (*numberfunc)(number a,number b, const coeffs r); |
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86 | typedef number (*nMapFunc)(number a, const coeffs r); |
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87 | |
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88 | #define _TRY |
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89 | |
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90 | #ifdef _TRY |
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91 | typedef coeffs ring; |
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92 | |
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93 | extern ring currRing; |
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94 | #endif |
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95 | |
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96 | struct n_Procs_s |
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97 | { |
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98 | #ifdef _TRY |
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99 | ring cf; // this |
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100 | #endif |
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101 | |
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102 | coeffs next; |
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103 | // the union stuff |
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104 | |
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105 | // Zp: |
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106 | int npPrimeM; |
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107 | int npPminus1M; |
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108 | #ifdef HAVE_DIV_MOD |
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109 | unsigned short *npInvTable; |
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110 | #endif |
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111 | #if !defined(HAVE_DIV_MOD) || !defined(HAVE_MULT_MOD) |
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112 | unsigned short *npExpTable; |
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113 | unsigned short *npLogTable; |
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114 | #endif |
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115 | // Zp_a, Q_a |
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116 | |
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117 | // general stuff |
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118 | numberfunc nMult, nSub ,nAdd ,nDiv, nIntDiv, nIntMod, nExactDiv; |
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119 | number (*cfInit)(int i,const coeffs r); |
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120 | number (*nPar)(int i, const coeffs r); |
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121 | int (*nParDeg)(number n, const coeffs r); |
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122 | int (*nSize)(number n, const coeffs r); |
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123 | int (*n_Int)(number &n, const coeffs r); |
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124 | #ifdef HAVE_RINGS |
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125 | int (*nDivComp)(number a,number b); |
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126 | BOOLEAN (*nIsUnit)(number a); |
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127 | number (*nGetUnit)(number a); |
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128 | number (*nExtGcd)(number a, number b, number *s, number *t); |
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129 | #endif |
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130 | number (*nNeg)(number a, const coeffs r); |
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131 | number (*nInvers)(number a, const coeffs r); |
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132 | number (*nCopy)(number a); |
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133 | number (*cfCopy)(number a, const coeffs r); |
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134 | number (*nRePart)(number a, const coeffs r); |
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135 | number (*nImPart)(number a, const coeffs r); |
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136 | void (*cfWrite)(number &a, const coeffs r); |
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137 | const char * (*nRead)(const char * s, number * a, const coeffs r); |
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138 | void (*nNormalize)(number &a, const coeffs r); |
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139 | BOOLEAN (*nGreater)(number a,number b, const coeffs r), |
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140 | #ifdef HAVE_RINGS |
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141 | (*nDivBy)(number a, number b), |
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142 | #endif |
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143 | (*nEqual)(number a,number b, const coeffs r), |
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144 | (*nIsZero)(number a, const coeffs r), |
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145 | (*nIsOne)(number a, const coeffs r), |
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146 | (*nIsMOne)(number a, const coeffs r), |
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147 | (*nGreaterZero)(number a, const coeffs r); |
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148 | void (*nPower)(number a, int i, number * result, const coeffs r); |
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149 | number (*cfGetDenom)(number &n, const coeffs r); |
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150 | number (*cfGetNumerator)(number &n, const coeffs r); |
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151 | number (*nGcd)(number a, number b, const coeffs r); |
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152 | number (*nLcm)(number a, number b, const coeffs r); |
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153 | void (*cfDelete)(number * a, const coeffs r); |
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154 | nMapFunc (*cfSetMap)(const coeffs src, const coeffs dst); |
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155 | char * (*nName)(number n, const coeffs r); |
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156 | void (*nInpMult)(number &a, number b, const coeffs r); |
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157 | number (*nInit_bigint)(number i, const coeffs r); |
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158 | #ifdef LDEBUG |
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159 | BOOLEAN (*nDBTest)(number a, const char *f,const int l); |
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160 | #endif |
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161 | |
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162 | number nNULL; /* the 0 as constant */ |
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163 | int char_flag; |
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164 | int ref; |
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165 | n_coeffType type; |
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166 | short nChar; |
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167 | ////----------------------------------------- |
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168 | char** parameter; /* names of parameters, rInit */ |
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169 | number minpoly; /* for Q_a/Zp_a, rInit */ |
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170 | |
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171 | #ifdef HAVE_RINGS |
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172 | unsigned int ringtype; /* cring = 0 => coefficient field, cring = 1 => coeffs from Z/2^m */ |
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173 | int_number ringflaga; /* Z/(ringflag^ringflagb)=Z/nrnModul*/ |
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174 | unsigned long ringflagb; |
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175 | unsigned long nr2mModul; /* Z/nr2mModul */ |
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176 | int_number nrnModul; |
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177 | #endif |
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178 | int ch; /* characteristic, rInit */ |
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179 | |
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180 | short float_len; /* additional char-flags, rInit */ |
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181 | short float_len2; /* additional char-flags, rInit */ |
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182 | |
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183 | }; |
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184 | |
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185 | #define nInternalChar(r) ((r)->ch) |
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186 | |
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187 | #endif |
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188 | |
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