lib_ex_pour_HZpp/Partie_2/algebre_lineaire/MV++/mv/include/mvmd.h

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/*+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/
/* */
/* */
/* MV++ Numerical Matrix/Vector C++ Library */
/* MV++ Version 1.5 */
/* */
/* R. Pozo */
/* National Institute of Standards and Technology */
/* */
/* NOTICE */
/* */
/* Permission to use, copy, modify, and distribute this software and */
/* its documentation for any purpose and without fee is hereby granted */
/* provided that this permission notice appear in all copies and */
/* supporting documentation. */
/* */
/* Neither the Institution (National Institute of Standards and Technology) */
/* nor the author makes any representations about the suitability of this */
/* software for any purpose. This software is provided ``as is''without */
/* expressed or implied warranty. */
/* */
/*+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/
//
// mvmtp.h : basic templated numerical matrix class, storage
// by columns (Fortran oriented.)
//
//
//
#ifndef _MV_MATRIX_double_H_
#define _MV_MATRIX_double_H_
#include "mvvd.h"
#include "mvmrf.h"
#include <iostream.h> // for formatted printing of matrices
#ifdef MV_MATRIX_BOUNDS_CHECK
# include <assert.h>
#endif
class MV_ColMat_double
{
private:
MV_Vector_double v_;
int dim0_; // perferred to using dim_[2]. some compilers
int dim1_; // refuse to initalize these in the constructor.
int lda_;
int ref_; // true if this is declared as a reference vector,
// i.e. it does not own the memory space, but
// rather it is a view to another vector or array.
public:
/*::::::::::::::::::::::::::*/
/* Constructors/Destructors */
/*::::::::::::::::::::::::::*/
MV_ColMat_double();
MV_ColMat_double(unsigned int, unsigned int);
// some compilers have difficulty with inlined 'for' statements.
MV_ColMat_double(unsigned int, unsigned int, const double&);
// usual copy by value
// (can't use default parameter lda=m, because m is not a constant...)
//
MV_ColMat_double(double*, unsigned int m, unsigned int n);
MV_ColMat_double(double*, unsigned int m, unsigned int n, unsigned int lda);
// the "reference" versions
//
//
MV_ColMat_double(MV_ColMat_double &A, MV_Matrix_::ref_type i);
MV_ColMat_double(double*, unsigned int m, unsigned int n, MV_Matrix_::ref_type i);
MV_ColMat_double(double*, unsigned int m, unsigned int n, unsigned int lda,
MV_Matrix_::ref_type i);
MV_ColMat_double(const MV_ColMat_double&);
~MV_ColMat_double();
/*::::::::::::::::::::::::::::::::*/
/* Indices and access operations */
/*::::::::::::::::::::::::::::::::*/
inline double& operator()(unsigned int, unsigned int);
inline const double& operator()(unsigned int, unsigned int) const;
MV_ColMat_double operator()(const MV_VecIndex &I, const MV_VecIndex &J) ;
const MV_ColMat_double operator()(const MV_VecIndex &I, const MV_VecIndex &J) const;
unsigned int dim(int i) const;
unsigned int lda(void) const{ return lda_; }
unsigned int size(int i) const { return dim(i);}
MV_ColMat_double& newsize(unsigned int, unsigned int);
int ref() const { return ref_;}
/*::::::::::::::*/
/* Assignment */
/*::::::::::::::*/
MV_ColMat_double & operator=(const MV_ColMat_double&);
MV_ColMat_double & operator=(const double&);
friend ostream& operator<<(ostream &s, const MV_ColMat_double &A);
};
inline double& MV_ColMat_double::operator()(unsigned int i, unsigned int j)
{
#ifdef MV_MATRIX_BOUNDS_CHECK
assert(0<=i && i<dim(0));
assert(0<=j && j<dim(1));
#endif
return v_(j*lda_ + i); // could use indirect addressing
// instead...
}
inline const double& MV_ColMat_double::operator()
(unsigned int i, unsigned int j) const
{
#ifdef MV_MATRIX_BOUNDS_CHECK
assert(0<=i && i<dim(0));
assert(0<=j && j<dim(1));
#endif
return v_(j*lda_ + i);
}
inline MV_ColMat_double::MV_ColMat_double(double* d, unsigned int m,
unsigned int n, MV_Matrix_::ref_type i ):
v_(d,m*n, MV_Vector_::ref), dim0_(m), dim1_(n), lda_(m), ref_(i) {}
inline MV_ColMat_double::MV_ColMat_double( MV_ColMat_double &A,
MV_Matrix_::ref_type i ):
v_(&A(0,0), A.dim(0)*A.dim(1), MV_Vector_::ref),
dim0_(A.dim(0)), dim1_(A.dim(1)), lda_(A.lda()), ref_(i) {}
inline MV_ColMat_double::MV_ColMat_double(double* d, unsigned int m, unsigned int n,
unsigned int lda, MV_Matrix_::ref_type i) :
v_(d, lda*n, MV_Vector_::ref), dim0_(m), dim1_(n), lda_(lda),
ref_(i) {}
#endif