[35aab3] | 1 | #ifndef LONGRAT_H |
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| 2 | #define LONGRAT_H |
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| 3 | /**************************************** |
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| 4 | * Computer Algebra System SINGULAR * |
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| 5 | ****************************************/ |
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[e8a0aa] | 6 | /* $Id: longrat.h,v 1.13 2008-08-06 13:55:42 Singular Exp $ */ |
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[35aab3] | 7 | /* |
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| 8 | * ABSTRACT: computation with long rational numbers |
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| 9 | */ |
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| 10 | #include "structs.h" |
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| 11 | |
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| 12 | #include "si_gmp.h" |
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| 13 | |
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| 14 | typedef MP_INT lint; |
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| 15 | |
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[ffde366] | 16 | #define SR_HDL(A) ((long)(A)) |
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| 17 | |
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[7447d8] | 18 | #define SR_INT 1L |
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[35aab3] | 19 | #define INT_TO_SR(INT) ((number) (((long)INT << 2) + SR_INT)) |
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| 20 | #define SR_TO_INT(SR) (((long)SR) >> 2) |
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| 21 | |
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| 22 | |
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| 23 | #define MP_SMALL 1 |
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| 24 | |
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| 25 | #define mpz_size1(A) (ABS((A)->_mp_size)) |
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| 26 | //#define mpz_size1(A) mpz_size(A) |
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| 27 | |
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| 28 | struct snumber; |
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| 29 | typedef struct snumber *number; |
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| 30 | struct snumber |
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| 31 | { |
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| 32 | lint z; |
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| 33 | lint n; |
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| 34 | #if defined(LDEBUG) |
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| 35 | int debug; |
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| 36 | #endif |
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| 37 | BOOLEAN s; |
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| 38 | }; |
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| 39 | |
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| 40 | // allow inlining only from p_Numbers.h and if ! LDEBUG |
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| 41 | |
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| 42 | #if defined(DO_LINLINE) && defined(P_NUMBERS_H) && !defined(LDEBUG) |
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| 43 | #define LINLINE static inline |
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| 44 | #else |
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| 45 | #define LINLINE |
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| 46 | #undef DO_LINLINE |
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| 47 | #endif // DO_LINLINE |
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| 48 | |
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| 49 | LINLINE BOOLEAN nlEqual(number a, number b); |
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| 50 | LINLINE number nlInit(int i); |
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[8901e6] | 51 | number nlRInit (int i); |
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[35aab3] | 52 | LINLINE BOOLEAN nlIsOne(number a); |
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| 53 | LINLINE BOOLEAN nlIsZero(number za); |
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| 54 | LINLINE number nlCopy(number a); |
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| 55 | LINLINE void nlNew(number *r); |
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| 56 | LINLINE void nlDelete(number *a, const ring r); |
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| 57 | LINLINE number nlNeg(number za); |
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| 58 | LINLINE number nlAdd(number la, number li); |
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| 59 | LINLINE number nlSub(number la, number li); |
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| 60 | LINLINE number nlMult(number a, number b); |
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| 61 | |
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| 62 | number nlInit2 (int i, int j); |
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[a1ab2a] | 63 | number nlInit2gmp (mpz_t i, mpz_t j); |
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[35aab3] | 64 | number nlGcd(number a, number b, const ring r); |
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| 65 | number nlLcm(number a, number b, const ring r); /*special routine !*/ |
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| 66 | BOOLEAN nlGreater(number a, number b); |
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| 67 | BOOLEAN nlIsMOne(number a); |
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| 68 | int nlInt(number &n); |
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[7f7573] | 69 | number nlBigInt(number &n); |
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[894f5b1] | 70 | #ifdef HAVE_RINGS |
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[0959dc] | 71 | void nlGMP(number &i, number n); |
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[894f5b1] | 72 | #endif |
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[35aab3] | 73 | BOOLEAN nlGreaterZero(number za); |
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| 74 | number nlInvers(number a); |
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| 75 | void nlNormalize(number &x); |
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| 76 | number nlDiv(number a, number b); |
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| 77 | number nlExactDiv(number a, number b); |
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| 78 | number nlIntDiv(number a, number b); |
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| 79 | number nlIntMod(number a, number b); |
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| 80 | void nlPower(number x, int exp, number *lu); |
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[85e68dd] | 81 | const char * nlRead (const char *s, number *a); |
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[35aab3] | 82 | void nlWrite(number &a); |
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| 83 | int nlModP(number n, int p); |
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| 84 | int nlSize(number n); |
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| 85 | number nlGetDenom(number &n, const ring r); |
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| 86 | number nlGetNom(number &n, const ring r); |
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[5f584e9] | 87 | number nlChineseRemainder(number *x, number *q,int rl); |
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[35aab3] | 88 | #ifdef LDEBUG |
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[85e68dd] | 89 | BOOLEAN nlDBTest(number a, const char *f, const int l); |
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[35aab3] | 90 | #endif |
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| 91 | extern number nlOne; |
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| 92 | |
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| 93 | nMapFunc nlSetMap(ring src, ring dst); |
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[c81a40] | 94 | #ifdef HAVE_RINGS |
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| 95 | number nlMapGMP(number from); |
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| 96 | #endif |
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[35aab3] | 97 | |
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| 98 | #ifndef OM_ALLOC_H |
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| 99 | struct omBin_s; |
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| 100 | #endif |
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| 101 | extern omBin_s* rnumber_bin; |
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| 102 | |
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| 103 | // in-place operations |
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[e8a0aa] | 104 | void nlInpGcd(number &a, number b, const ring r); |
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| 105 | void nlInpIntDiv(number &a, number b, const ring r); |
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| 106 | void nlInpAdd_(number &a, number b, const ring r); |
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| 107 | LINLINE number nlInpAdd(number la, number li, const ring r); |
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[35aab3] | 108 | void nlInpMult(number &a, number b, ring r); |
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| 109 | |
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[aaf0b6] | 110 | #ifdef LDEBUG |
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| 111 | #define nlTest(a) nlDBTest(a,__FILE__,__LINE__) |
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| 112 | BOOLEAN nlDBTest(number a, char *f,int l); |
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| 113 | #else |
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| 114 | #define nlTest(a) ((void)0) |
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| 115 | #endif |
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| 116 | |
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[35aab3] | 117 | #endif |
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| 118 | |
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| 119 | |
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