| 1 | /* emacs edit mode for this file is -*- C++ -*- */ |
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| 2 | /* $Id: int_cf.h,v 1.5 1997-07-16 10:18:23 schmidt Exp $ */ |
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| 3 | |
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| 4 | #ifndef INCL_INT_CF_H |
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| 5 | #define INCL_INT_CF_H |
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| 6 | |
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| 7 | #include <config.h> |
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| 8 | |
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| 9 | #ifndef NOSTREAMIO |
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| 10 | #include <iostream.h> |
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| 11 | #endif /* NOSTREAMIO */ |
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| 12 | |
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| 13 | #include "assert.h" |
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| 14 | |
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| 15 | #include "cf_defs.h" |
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| 16 | #include "variable.h" |
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| 17 | |
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| 18 | class CanonicalForm; |
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| 19 | |
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| 20 | class InternalCF { |
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| 21 | private: |
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| 22 | int refCount; |
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| 23 | protected: |
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| 24 | int getRefCount() { return refCount; }; |
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| 25 | void incRefCount() { refCount++; }; |
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| 26 | int decRefCount() { return --refCount; }; |
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| 27 | public: |
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| 28 | InternalCF() { refCount = 1; }; |
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| 29 | InternalCF( const InternalCF& ) |
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| 30 | { |
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| 31 | ASSERT( 0, "ups there is something wrong in your code"); |
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| 32 | }; |
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| 33 | virtual ~InternalCF() {}; |
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| 34 | int deleteObject() { return decRefCount() == 0; } |
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| 35 | InternalCF* copyObject() { incRefCount(); return this; } |
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| 36 | virtual InternalCF* deepCopyObject() const PVIRT_INTCF("deepCopyObject"); |
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| 37 | virtual const char * const classname() const PVIRT_CHARCC("classname"); |
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| 38 | virtual InternalCF* genZero() PVIRT_INTCF("genZero"); |
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| 39 | virtual InternalCF* genOne() PVIRT_INTCF("genOne"); |
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| 40 | virtual int level() const { return LEVELBASE; } |
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| 41 | virtual int levelcoeff() const { return UndefinedDomain; } |
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| 42 | virtual int type() const { return UndefinedDomain; } |
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| 43 | virtual Variable variable() const { return Variable(); } |
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| 44 | #ifndef NOSTREAMIO |
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| 45 | virtual void print( ostream&, char* ) PVIRT_VOID("print"); |
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| 46 | #endif /* NOSTREAMIO */ |
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| 47 | virtual bool inBaseDomain() const { return true; } |
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| 48 | virtual bool inExtension() const { return false; } |
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| 49 | virtual bool inCoeffDomain() const { return true; } |
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| 50 | virtual bool inPolyDomain() const { return false; } |
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| 51 | virtual bool inQuotDomain() const { return false; } |
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| 52 | virtual bool isZero() const PVIRT_BOOL("isZero"); |
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| 53 | virtual bool isOne() const PVIRT_BOOL("isOne"); |
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| 54 | virtual bool isUnivariate() const { return false; } |
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| 55 | virtual int intval() const; |
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| 56 | virtual int intmod( int ) const { return 0; } |
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| 57 | virtual int sign() const; |
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| 58 | |
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| 59 | virtual InternalCF* num(); |
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| 60 | virtual InternalCF* den(); |
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| 61 | |
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| 62 | virtual InternalCF* neg() PVIRT_INTCF("neg"); |
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| 63 | virtual InternalCF* invert(); // semantically const, changes refCount const |
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| 64 | virtual int comparesame ( InternalCF* ) PVIRT_INT("comparesame"); |
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| 65 | |
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| 66 | virtual InternalCF* addsame( InternalCF* ) PVIRT_INTCF("addsame"); |
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| 67 | virtual InternalCF* subsame( InternalCF* ) PVIRT_INTCF("subsame"); |
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| 68 | virtual InternalCF* mulsame( InternalCF* ) PVIRT_INTCF("mulsame"); |
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| 69 | virtual InternalCF* dividesame( InternalCF* ) PVIRT_INTCF("dividesame"); |
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| 70 | virtual InternalCF* modulosame( InternalCF* ) PVIRT_INTCF("modulosame"); |
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| 71 | virtual InternalCF* divsame( InternalCF* ) PVIRT_INTCF("divsame"); |
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| 72 | virtual InternalCF* modsame( InternalCF* ) PVIRT_INTCF("modsame"); |
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| 73 | virtual void divremsame( InternalCF*, InternalCF*&, InternalCF*& ) PVIRT_VOID("divremsame"); |
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| 74 | virtual bool divremsamet( InternalCF*, InternalCF*&, InternalCF*& ) PVIRT_BOOL("divremsamet"); |
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| 75 | |
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| 76 | virtual int comparecoeff ( InternalCF* ); |
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| 77 | |
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| 78 | virtual InternalCF* addcoeff( InternalCF* ) PVIRT_INTCF("addcoeff"); |
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| 79 | virtual InternalCF* subcoeff( InternalCF*, bool ) PVIRT_INTCF("subcoeff"); |
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| 80 | virtual InternalCF* mulcoeff( InternalCF* ) PVIRT_INTCF("mulcoeff"); |
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| 81 | virtual InternalCF* dividecoeff( InternalCF*, bool ) PVIRT_INTCF("dividecoeff"); |
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| 82 | virtual InternalCF* modulocoeff( InternalCF*, bool ) PVIRT_INTCF("dividecoeff"); |
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| 83 | virtual InternalCF* divcoeff( InternalCF*, bool ) PVIRT_INTCF("divcoeff"); |
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| 84 | virtual InternalCF* modcoeff( InternalCF*, bool ) PVIRT_INTCF("modcoeff"); |
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| 85 | virtual void divremcoeff( InternalCF*, InternalCF*&, InternalCF*&, bool ) PVIRT_VOID("divremcoeff"); |
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| 86 | virtual bool divremcoefft( InternalCF*, InternalCF*&, InternalCF*&, bool ) PVIRT_BOOL("divremcoefft"); |
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| 87 | |
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| 88 | virtual InternalCF* sqrt(); |
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| 89 | virtual int ilog2(); |
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| 90 | virtual CanonicalForm lc(); |
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| 91 | virtual CanonicalForm LC(); |
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| 92 | virtual CanonicalForm coeff( int i ); |
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| 93 | virtual int degree(); |
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| 94 | virtual int taildegree(); |
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| 95 | virtual CanonicalForm tailcoeff(); |
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| 96 | }; |
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| 97 | |
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| 98 | #endif /* ! INCL_INT_CF_H */ |
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