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[r168]: / trunk / include / _zhsmatrix- / _zhsmatrix-calc.hpp  Maximize  Restore  History

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//=============================================================================
/*! return its transposed matrix */
inline _zhsmatrix t(const _zhsmatrix& mat)
{CPPL_VERBOSE_REPORT;
for(std::vector<zcomponent>::iterator it=mat.data.begin(); it!=mat.data.end(); it++){
it->v =std::conj(it->v);
}
return mat;
}
//=============================================================================
/*! return its conjugate matrix */
inline _zhsmatrix conj(const _zhsmatrix& mat)
{CPPL_VERBOSE_REPORT;
for(std::vector<zcomponent>::iterator it=mat.data.begin(); it!=mat.data.end(); it++){
it->v =std::conj(it->v);
}
return mat;
}
//=============================================================================
/*! return its conjugate transposed matrix */
inline _zhsmatrix conjt(const _zhsmatrix& mat)
{CPPL_VERBOSE_REPORT;
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 _zhsmatrix& mat)
{CPPL_VERBOSE_REPORT;
std::vector<zcomponent>::const_iterator itx(mat.data.begin());
double vmax =0.;
for(std::vector<zcomponent>::const_iterator it=mat.data.begin(); it!=mat.data.end(); it++){
if( vmax < norm(it->v) ){
vmax =norm(it->v);
itx =it;
}
}
i=itx->i;
j=itx->j;
mat.destroy();
}
//=============================================================================
/*! return its largest absolute value */
inline comple damax(const _zhsmatrix& mat)
{CPPL_VERBOSE_REPORT;
std::vector<zcomponent>::const_iterator itx(mat.data.begin());
double vmax =0.;
for(std::vector<zcomponent>::const_iterator it=mat.data.begin(); it!=mat.data.end(); it++){
if( vmax < norm(it->v) ){
vmax =norm(it->v);
itx =it;
}
}
mat.destroy();
return itx->v;
}
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