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[r7]: / trunk / include / _dssmatrix- / _dssmatrix-calc.hpp  Maximize  Restore  History

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//=============================================================================
/*! return transposed _dssmatrix */
inline _dssmatrix t(const _dssmatrix& mat)
{
#ifdef CPPL_VERBOSE
std::cerr << "# [MARK] t(const _dssmatrix&)"
<< std::endl;
#endif//CPPL_VERBOSE
long* mat_Indx(mat.Indx);
mat.Indx =mat.Jndx;
mat.Jndx =mat_Indx;
return mat;
}
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
//=============================================================================
/*! search the index of element having the largest absolute value
in 0-based numbering system */
inline void idamax(long& i, long& j, const _dssmatrix& mat)
{
#ifdef CPPL_VERBOSE
std::cerr << "# [MARK] idamax(long&, long&, const _dssmatrix&)"
<< std::endl;
#endif//CPPL_VERBOSE
long index( idamax_(mat.VOL, mat.Array, 1) -1 );
i =mat.Indx[index];
j =mat.Jndx[index];
mat.destroy();
}
//=============================================================================
/*! return its largest absolute value */
inline double damax(const _dssmatrix& mat)
{
#ifdef CPPL_VERBOSE
std::cerr << "# [MARK] damax(const _dssmatrix&)"
<< std::endl;
#endif//CPPL_VERBOSE
double val( mat.Array[idamax_(mat.VOL, mat.Array, 1) -1] );
mat.destroy();
return val;
}
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