[6ab5981] | 1 | /* emacs edit mode for this file is -*- C++ -*- */ |
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[c5f2101] | 2 | |
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| 3 | #ifndef INCL_MATRIX_H |
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| 4 | #define INCL_MATRIX_H |
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| 5 | |
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[175e355] | 6 | #ifndef NOSTREAMIO |
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[1dc616] | 7 | #ifdef HAVE_IOSTREAM |
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| 8 | #include <iostream> |
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[181148] | 9 | #define OSTREAM std::ostream |
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[1dc616] | 10 | #elif defined(HAVE_IOSTREAM_H) |
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[c5f2101] | 11 | #include <iostream.h> |
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[181148] | 12 | #define OSTREAM ostream |
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[1dc616] | 13 | #endif |
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[175e355] | 14 | #endif /* NOSTREAMIO */ |
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[c5f2101] | 15 | |
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| 16 | template <class T> |
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| 17 | class SubMatrix; |
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| 18 | |
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[22347b6] | 19 | template <class T> |
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| 20 | class Matrix; |
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| 21 | |
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| 22 | #ifndef NOSTREAMIO |
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| 23 | template <class T> |
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[181148] | 24 | OSTREAM& operator<< (OSTREAM &, const Matrix<T> &); |
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[22347b6] | 25 | #endif |
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| 26 | |
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[c5f2101] | 27 | template <class T> |
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[3edea1] | 28 | class FACTORY_PUBLIC Matrix |
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[c5f2101] | 29 | { |
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| 30 | private: |
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| 31 | int NR, NC; |
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| 32 | T ** elems; |
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[175e355] | 33 | #ifndef NOSTREAMIO |
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[181148] | 34 | void printrow ( OSTREAM & s, int i ) const; |
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[175e355] | 35 | #endif /* NOSTREAMIO */ |
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[8840725] | 36 | typedef T* T_ptr; |
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[c5f2101] | 37 | public: |
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| 38 | Matrix() : NR(0), NC(0), elems(0) {} |
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| 39 | Matrix( int nr, int nc ); |
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| 40 | Matrix( const Matrix<T>& M ); |
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| 41 | ~Matrix(); |
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| 42 | Matrix<T>& operator= ( const Matrix<T>& M ); |
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| 43 | int rows() const { return NR; } |
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| 44 | int columns() const { return NC; } |
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| 45 | SubMatrix<T> operator[] ( int i ); |
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| 46 | const SubMatrix<T> operator[] ( int i ) const; |
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| 47 | T& operator() ( int row, int col ); |
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| 48 | T operator() ( int row, int col ) const; |
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| 49 | SubMatrix<T> operator() ( int rmin, int rmax, int cmin, int cmax ); |
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| 50 | const SubMatrix<T> operator() ( int rmin, int rmax, int cmin, int cmax ) const; |
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| 51 | void swapRow( int i, int j ); |
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| 52 | void swapColumn( int i, int j ); |
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[175e355] | 53 | #ifndef NOSTREAMIO |
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[181148] | 54 | void print( OSTREAM& s ) const; |
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| 55 | friend OSTREAM & operator<< <T>( OSTREAM & s, const Matrix<T>& M ); |
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[175e355] | 56 | #endif /* NOSTREAMIO */ |
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[c5f2101] | 57 | friend class SubMatrix<T>; |
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| 58 | }; |
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[ccda50] | 59 | /*template <class T> |
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[2457a8] | 60 | Matrix<T> operator+ ( const Matrix<T>& lhs, const Matrix<T>& rhs ); |
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| 61 | template <class T> |
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| 62 | Matrix<T> operator- ( const Matrix<T>& lhs, const Matrix<T>& rhs ); |
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| 63 | template <class T> |
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| 64 | Matrix<T> operator* ( const Matrix<T>& lhs, const Matrix<T>& rhs ); |
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| 65 | template <class T> |
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| 66 | Matrix<T> operator* ( const Matrix<T>& lhs, const T& rhs ); |
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| 67 | template <class T> |
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[ccda50] | 68 | Matrix<T> operator* ( const T& lhs, const Matrix<T>& rhs );*/ |
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[c5f2101] | 69 | |
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| 70 | template <class T> |
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| 71 | class SubMatrix |
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| 72 | { |
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| 73 | private: |
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| 74 | int r_min, r_max, c_min, c_max; |
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| 75 | Matrix<T>& M; |
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| 76 | // we do not provide a default ctor, so nobody can declare an empty SubMatrix |
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| 77 | SubMatrix( int rmin, int rmax, int cmin, int cmax, const Matrix<T> & m ); |
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| 78 | public: |
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| 79 | SubMatrix( const SubMatrix<T> & S ); |
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| 80 | SubMatrix<T>& operator= ( const SubMatrix<T>& S ); |
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| 81 | SubMatrix<T>& operator= ( const Matrix<T>& S ); |
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| 82 | operator Matrix<T>() const; |
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| 83 | T operator[] ( int i ) const; |
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| 84 | T& operator[] ( int i ); |
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| 85 | friend class Matrix<T>; |
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| 86 | }; |
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| 87 | |
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[5bb462] | 88 | #ifndef NOSTREAMIO |
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| 89 | template <class T> |
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[181148] | 90 | OSTREAM & operator<< ( OSTREAM & s, const Matrix<T>& M ); |
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[5bb462] | 91 | #endif /* NOSTREAMIO */ |
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| 92 | |
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[6ab5981] | 93 | #endif /* ! INCL_MATRIX_H */ |
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