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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6 | /* $Id: longrat.h,v 1.15 1999-11-15 17:20:20 obachman Exp $ */ |
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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 | #if HAVE_ASO == 1 |
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12 | #include "longrat.aso" |
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13 | #endif |
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14 | |
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15 | extern "C" { |
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16 | #include <gmp.h> |
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17 | } |
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18 | #ifdef HAVE_SMALLGMP |
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19 | # define HAVE_LIBGMP2 |
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20 | #else |
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21 | #if (__GNU_MP_VERSION > 1) && (__GNU_MP_VERSION_MINOR >= 0) |
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22 | # define HAVE_LIBGMP2 |
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23 | #else |
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24 | # define HAVE_LIBGMP1 |
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25 | #endif |
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26 | #endif |
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27 | |
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28 | typedef MP_INT lint; |
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29 | |
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30 | #define SR_INT 1 |
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31 | #define INT_TO_SR(INT) ((number) (((long)INT << 2) + SR_INT)) |
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32 | |
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33 | #define MP_SMALL 1 |
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34 | |
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35 | #ifdef HAVE_LIBGMP1 |
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36 | #define mpz_size1(A) (ABS((A)->size)) |
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37 | #else |
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38 | #define mpz_size1(A) (ABS((A)->_mp_size)) |
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39 | #endif |
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40 | //#define mpz_size1(A) mpz_size(A) |
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41 | |
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42 | struct snumber; |
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43 | typedef struct snumber rnumber; |
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44 | typedef rnumber * number; |
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45 | struct snumber |
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46 | { |
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47 | lint z; |
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48 | lint n; |
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49 | #if defined(LDEBUG) && ! defined(HAVE_ASO) |
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50 | int debug; |
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51 | #endif |
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52 | BOOLEAN s; |
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53 | }; |
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54 | |
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55 | number nlGcd(number a, number b); |
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56 | number nlLcm(number a, number b); /*special routine !*/ |
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57 | BOOLEAN nlGreater(number a, number b); |
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58 | BOOLEAN nlEqual(number a, number b); |
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59 | BOOLEAN nlIsOne(number a); |
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60 | BOOLEAN nlIsMOne(number a); |
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61 | void nlNew(number *r); |
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62 | number nlInit(int i); |
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63 | number nlInit(number i); |
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64 | int nlInt(number &n); |
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65 | BOOLEAN nlIsZero(number za); |
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66 | BOOLEAN nlGreaterZero(number za); |
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67 | number nlNeg(number za); |
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68 | number nlInvers(number a); |
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69 | void nlNormalize(number &x); |
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70 | number nlAdd(number la, number li); |
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71 | number nlSub(number la, number li); |
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72 | number nlMult(number a, number b); |
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73 | number nlDiv(number a, number b); |
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74 | number nlExactDiv(number a, number b); |
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75 | number nlIntDiv(number a, number b); |
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76 | number nlIntMod(number a, number b); |
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77 | void nlPower(number x, int exp, number *lu); |
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78 | number nlCopy(number a); |
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79 | char * nlRead (char *s, number *a); |
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80 | void nlWrite(number &a); |
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81 | int nlModP(number n, int p); |
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82 | int nlSize(number n); |
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83 | number nlGetDenom(number &n); |
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84 | #ifdef LDEBUG |
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85 | BOOLEAN nlDBTest(number a, char *f, int l); |
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86 | void nlDBDelete(number *a, char *f, int l); |
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87 | #define nlDelete(A) nlDBDelete(A,__FILE__,__LINE__) |
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88 | #else |
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89 | void nlDelete(number *a); |
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90 | #endif |
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91 | |
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92 | BOOLEAN nlSetMap(ring r); |
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93 | |
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94 | #endif |
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95 | |
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96 | |
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