1 | // emacs edit mode for this file is -*- C++ -*- |
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2 | // $Id: int_rat.h,v 1.0 1996-05-17 10:59:41 stobbe Exp $ |
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3 | |
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4 | #ifndef INCL_INTERNALRATIONAL_H |
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5 | #define INCL_INTERNALRATIONAL_H |
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6 | |
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7 | /* |
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8 | $Log: not supported by cvs2svn $ |
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9 | */ |
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10 | |
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11 | #include <iostream.h> |
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12 | #include "cf_gmp.h" |
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13 | |
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14 | #include "int_cf.h" |
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15 | |
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16 | |
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17 | class InternalRational : public InternalCF |
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18 | { |
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19 | private: |
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20 | MP_INT _num; |
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21 | MP_INT _den; |
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22 | static int initialized; |
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23 | static MP_INT & MPQNUM( const InternalCF * const c ); |
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24 | static MP_INT & MPQDEN( const InternalCF * const c ); |
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25 | static void normalize( const MP_INT &, const MP_INT &, MP_INT &, MP_INT & ); |
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26 | public: |
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27 | InternalRational(); |
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28 | InternalRational( const InternalCF& ) |
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29 | { |
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30 | ASSERT( 0, "ups there is something wrong in your code" ); |
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31 | } |
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32 | InternalRational( const int i ); |
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33 | InternalRational( const int n, const int d ); |
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34 | InternalRational( const char * str ); |
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35 | InternalRational( const MP_INT & ); |
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36 | InternalRational( const MP_INT &, const MP_INT & ); |
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37 | ~InternalRational(); |
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38 | InternalCF* deepCopyObject() const; |
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39 | const char * const classname() const { return "InternalRational"; } |
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40 | void print( ostream&, char* ); |
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41 | bool isZero() const; |
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42 | bool isOne() const; |
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43 | InternalCF* genZero(); |
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44 | InternalCF* genOne(); |
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45 | |
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46 | bool is_imm() const; |
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47 | int levelcoeff() const { return RationalDomain; } |
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48 | |
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49 | InternalCF* num(); |
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50 | InternalCF* den(); |
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51 | |
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52 | InternalCF* neg(); |
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53 | |
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54 | int comparesame( InternalCF* ); |
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55 | |
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56 | InternalCF* addsame( InternalCF* ); |
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57 | InternalCF* subsame( InternalCF* ); |
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58 | InternalCF* mulsame( InternalCF* ); |
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59 | InternalCF* dividesame( InternalCF* ); |
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60 | InternalCF* modulosame( InternalCF* ); |
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61 | InternalCF* divsame( InternalCF* ); |
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62 | InternalCF* modsame( InternalCF* ); |
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63 | void divremsame( InternalCF*, InternalCF*&, InternalCF*& ); |
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64 | bool divremsamet( InternalCF*, InternalCF*&, InternalCF*& ); |
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65 | |
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66 | int comparecoeff( InternalCF* ); |
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67 | |
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68 | InternalCF* addcoeff( InternalCF* ); |
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69 | InternalCF* subcoeff( InternalCF*, bool ); |
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70 | InternalCF* mulcoeff( InternalCF* ); |
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71 | InternalCF* dividecoeff( InternalCF*, bool ); |
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72 | InternalCF* modulocoeff( InternalCF*, bool ); |
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73 | InternalCF* divcoeff( InternalCF*, bool ); |
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74 | InternalCF* modcoeff( InternalCF*, bool ); |
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75 | void divremcoeff( InternalCF*, InternalCF*&, InternalCF*&, bool ); |
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76 | bool divremcoefft( InternalCF*, InternalCF*&, InternalCF*&, bool ); |
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77 | |
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78 | int intval() const; |
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79 | |
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80 | int sign() const; |
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81 | |
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82 | InternalCF * normalize_myself(); |
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83 | |
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84 | friend class InternalInteger; |
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85 | #ifdef SINGULAR |
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86 | friend MP_INT gmp_numerator ( const CanonicalForm & f ); |
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87 | friend MP_INT gmp_denominator ( const CanonicalForm & f ); |
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88 | #endif /* SINGULAR */ |
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89 | #ifdef MULTIPROTOCOL |
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90 | friend MP_INT gmp_numerator_mp ( const CanonicalForm & f ); |
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91 | friend MP_INT gmp_denominator_mp ( const CanonicalForm & f ); |
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92 | #endif /* MULTIPROTOCOL */ |
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93 | friend CanonicalForm make_cf ( const MP_INT & n, const MP_INT & d ); |
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94 | }; |
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95 | |
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96 | inline MP_INT & InternalRational::MPQNUM( const InternalCF * const c ) |
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97 | { |
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98 | return (((InternalRational*)c)->_num); |
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99 | } |
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100 | |
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101 | inline MP_INT & InternalRational::MPQDEN( const InternalCF * const c ) |
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102 | { |
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103 | return (((InternalRational*)c)->_den); |
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104 | } |
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105 | |
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106 | #endif /* INCL_INTERNALRATIONAL_H */ |
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