matrix.h

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#pragma  once
 
#include "core_global.h"
#include "error.h"
#include "nadef.hpp"
 
 
namespace NANA {
 
 
 
class NA_API  Matrix {
public:
    enum DecompositionMethod {
        GaussiaJordan,
    };
 
    Matrix();
 
    Matrix(int rows, int cols);
 
    Matrix(const Matrix& M);
 
    Matrix(int m, int n,NAFLOAT const * val);
 
    virtual ~Matrix();
 
    int cols() const;
 
    int rows() const;
 
 
    Matrix getMat(int i1, int j1, int i2 = -1, int j2 = -1);
 
    void   setMat(const Matrix& M, int i, int j);
 
    static void setMatrixEye(Matrix& mat, const int m);
 
 
    static void LU(const Matrix& A, Matrix& L, Matrix& U);
 
    static void QR(const Matrix& A, Matrix& Q, Matrix& R);
 
 
 
    static void SVD( const Matrix & A, Matrix& U, Matrix& W, Matrix& v);
 
    static void solve(const Matrix& A, const Matrix& b, Matrix& x, int flag = DecompositionMethod::GaussiaJordan);
 
    static Matrix zeros(int rows, int cols);
 
    void fill(const NAFLOAT& value);
 
    NAFLOAT** getValPtr() const;
 
    const NAFLOAT** getConstValPtr() const;
 
 
    Matrix T() const;
 
    Matrix& operator= (const Matrix& M);
 
    const NAFLOAT* operator[](int row) const;
 
    Matrix  operator+ (const Matrix& B);
 
 
    Matrix  operator- (const Matrix& M);
 
    Matrix  operator* (const Matrix& B);
 
    Matrix dot(const Matrix& B) const;
 
 
 
    Matrix dot(NAFLOAT b) const;
 
    Matrix inv(int flag = GaussiaJordan) const;
 
    NAFLOAT det() const;
 
    int rank() const;
 
    friend NA_API std::istream& operator>>(std::istream& is, Matrix& m);
 
    friend NA_API std::ostream& operator<< (std::ostream& out, const Matrix& M);
 
 
 
 
    void create(int rows, int cols);
 
    void release();
 
protected:
    NAFLOAT** m_val;
    NAFLOAT* m_data;
 
    int m_rows;
    int m_cols;
    int m_step;
};
 
 
class NA_API SparseMatrix {
public:
    SparseMatrix();
 
private:
 
 
};
 
 
 
class NA_API  CMatrix {
public:
    CMatrix();
    virtual ~CMatrix();
 
    void create(int rows, int cols);
 
 
    void release();
private:
    NAFLOAT* m_redata;
    NAFLOAT* m_imdata;
    NAFLOAT** m_reval;
    NAFLOAT** m_imval;
    int     m_rows;
    int     m_cols;
    int     m_step;
 
};
 
 
 
 
 
 
}