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[r159]: / trunk / include / zhsmatrix- / zhsmatrix-calc.hpp  Maximize  Restore  History

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//=============================================================================
/*! return transposed zhsmatrix */
inline _zhsmatrix t(const zhsmatrix& mat)
{CPPL_VERBOSE_REPORT;
zhsmatrix newmat(mat);
for(std::vector<zcomponent>::iterator it=newmat.data.begin(); it!=newmat.data.end(); it++){
it->v =std::conj(it->v);
}
return _(newmat);
}
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
//=============================================================================
/*! return its conjugate matrix */
inline _zhsmatrix conj(const zhsmatrix& mat)
{CPPL_VERBOSE_REPORT;
zhsmatrix newmat(mat);
for(std::vector<zcomponent>::iterator it=newmat.data.begin(); it!=newmat.data.end(); it++){
it->v =std::conj(it->v);
}
return _(newmat);
}
//=============================================================================
/*! return its conjugate matrix */
inline _zhsmatrix conjt(const zhsmatrix& mat)
{CPPL_VERBOSE_REPORT;
#ifdef CPPL_DEBUG
WARNING_REPORT;
std::cerr << "This function call has no effect since the matrix is Hermitian." << std::endl;
#endif//CPPL_DEBUG
zhsmatrix newmat(mat);
return _(newmat);
}
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
//=============================================================================
/*! 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;
}
//=============================================================================
/*! 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;
}
}
return itx->v;
}
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