[7d90aa] | 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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[87cb4d5] | 81 | |
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| 82 | |
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[7d90aa] | 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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[87cb4d5] | 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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[7d90aa] | 96 | struct n_Procs_s |
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| 97 | { |
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[87cb4d5] | 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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[7d90aa] | 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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