[35aab3] | 1 | // ---------------------------------------------------------------------------- |
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| 2 | // npolygon.h |
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| 3 | // begin of file |
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| 4 | // Stephan Endrass, endrass@mathematik.uni-mainz.de |
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| 5 | // 23.7.99 |
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| 6 | // ---------------------------------------------------------------------------- |
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| 7 | |
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| 8 | #ifndef NPOLYGON_H |
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| 9 | #define NPOLYGON_H |
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| 10 | |
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| 11 | #include "GMPrat.h" |
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| 12 | |
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| 13 | // ---------------------------------------------------------------------------- |
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| 14 | // Class representing a linear form QQ^N-->QQ |
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| 15 | // ---------------------------------------------------------------------------- |
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| 16 | |
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| 17 | class linearForm |
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| 18 | { |
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| 19 | |
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| 20 | private: |
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| 21 | |
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| 22 | Rational *c; // the coefficients |
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| 23 | int N; // number of coefficients |
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| 24 | |
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| 25 | public: |
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| 26 | |
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| 27 | linearForm( ); |
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| 28 | linearForm( const linearForm& ); |
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| 29 | ~linearForm( ); |
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| 30 | |
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| 31 | linearForm & operator = ( const linearForm& ); |
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| 32 | |
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| 33 | friend int operator == ( const linearForm&,const linearForm& ); |
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| 34 | |
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| 35 | void copy_new ( int ); |
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| 36 | void copy_delete ( void ); |
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| 37 | void copy_zero ( void ); |
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| 38 | void copy_shallow ( linearForm& ); |
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| 39 | void copy_deep ( const linearForm& ); |
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| 40 | |
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| 41 | Rational weight ( poly ) const; |
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| 42 | Rational weight_shift ( poly ) const; |
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| 43 | Rational weight1 ( poly ) const; |
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| 44 | Rational weight_shift1( poly ) const; |
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| 45 | |
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| 46 | Rational pweight ( poly ) const; |
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| 47 | |
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| 48 | int positive ( void ); |
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| 49 | |
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| 50 | #ifdef NPOLYGON_PRINT |
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| 51 | friend ostream & operator << ( ostream&,const linearForm& ); |
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| 52 | #endif |
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| 53 | |
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| 54 | friend class newtonPolygon; |
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| 55 | }; |
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| 56 | |
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| 57 | // ---------------------------------------------------------------------------- |
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| 58 | // Class representing a Newton polygon |
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| 59 | // ---------------------------------------------------------------------------- |
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| 60 | |
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| 61 | class newtonPolygon |
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| 62 | { |
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| 63 | |
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| 64 | private: |
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| 65 | |
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| 66 | linearForm *l; // the linear forms |
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| 67 | int N; // number of linear forms |
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| 68 | |
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| 69 | public: |
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| 70 | |
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| 71 | newtonPolygon( ); |
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| 72 | newtonPolygon( const newtonPolygon& ); |
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| 73 | newtonPolygon( poly ); |
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| 74 | ~newtonPolygon( ); |
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| 75 | |
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| 76 | newtonPolygon & operator = ( const newtonPolygon& ); |
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| 77 | |
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| 78 | |
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| 79 | void copy_new ( int ); |
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| 80 | void copy_delete ( void ); |
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| 81 | void copy_zero ( void ); |
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| 82 | void copy_shallow( newtonPolygon& ); |
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| 83 | void copy_deep ( const newtonPolygon& ); |
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| 84 | |
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| 85 | void add_linearForm( const linearForm& ); |
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| 86 | |
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| 87 | Rational weight ( poly ) const; |
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| 88 | Rational weight_shift ( poly ) const; |
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| 89 | Rational weight1 ( poly ) const; |
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| 90 | Rational weight_shift1( poly ) const; |
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| 91 | |
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| 92 | //int is_sqh ( void ) const; |
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| 93 | //Rational* sqh_weights( void ) const; |
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| 94 | //int sqh_N ( void ) const; |
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| 95 | |
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| 96 | #ifdef NPOLYGON_PRINT |
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| 97 | friend ostream & operator << ( ostream&,const newtonPolygon& ); |
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| 98 | #endif |
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| 99 | }; |
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| 100 | |
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| 101 | // --------------------------------------- |
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| 102 | // inline functions for class linearForm |
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| 103 | // --------------------------------------- |
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| 104 | |
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| 105 | // ---------------------------------------------------------------------------- |
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| 106 | // Initialize with zero |
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| 107 | // ---------------------------------------------------------------------------- |
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| 108 | |
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| 109 | inline void linearForm::copy_zero( void ) |
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| 110 | { |
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| 111 | c = (Rational*)NULL; |
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| 112 | N = 0; |
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| 113 | } |
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| 114 | |
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| 115 | // ---------------------------------------------------------------------------- |
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| 116 | // Initialize shallow from another linear form |
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| 117 | // ---------------------------------------------------------------------------- |
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| 118 | |
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| 119 | inline void linearForm::copy_shallow( linearForm &l ) |
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| 120 | { |
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| 121 | c = l.c; |
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| 122 | N = l.N; |
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| 123 | } |
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| 124 | |
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| 125 | |
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| 126 | // ---------------------------------------------------------------------------- |
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| 127 | // Zero constructor |
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| 128 | // ---------------------------------------------------------------------------- |
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| 129 | |
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| 130 | inline linearForm::linearForm( ) |
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| 131 | { |
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| 132 | copy_zero( ); |
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| 133 | } |
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| 134 | |
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| 135 | |
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| 136 | // ------------------------------------------ |
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| 137 | // inline functions for class newtonPolygon |
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| 138 | // ------------------------------------------ |
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| 139 | |
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| 140 | // ---------------------------------------------------------------------------- |
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| 141 | // Initialize with zero |
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| 142 | // ---------------------------------------------------------------------------- |
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| 143 | |
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| 144 | inline void newtonPolygon::copy_zero( void ) |
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| 145 | { |
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| 146 | l = (linearForm*)NULL; |
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| 147 | N = 0; |
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| 148 | } |
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| 149 | |
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| 150 | // ---------------------------------------------------------------------------- |
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| 151 | // Initialize shallow from another Newton polygon |
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| 152 | // ---------------------------------------------------------------------------- |
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| 153 | |
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| 154 | inline void newtonPolygon::copy_shallow( newtonPolygon &np ) |
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| 155 | { |
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| 156 | l = np.l; |
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| 157 | N = np.N; |
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| 158 | } |
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| 159 | |
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| 160 | |
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| 161 | // ---------------------------------------------------------------------------- |
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| 162 | // Zero constructor |
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| 163 | // ---------------------------------------------------------------------------- |
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| 164 | |
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| 165 | inline newtonPolygon::newtonPolygon( ) |
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| 166 | { |
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| 167 | copy_zero( ); |
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| 168 | } |
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| 169 | |
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| 170 | #endif /* NPOLYGON_H */ |
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| 171 | |
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| 172 | // ---------------------------------------------------------------------------- |
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| 173 | // npolygon.h |
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| 174 | // end of file |
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| 175 | // ---------------------------------------------------------------------------- |
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