_zhsmatrix-zcovector.hpp File Reference

Go to the source code of this file.

Functions
_zcovector	operator* (const _zhsmatrix &mat, const zcovector &vec)

Function Documentation

_zcovector operator* ( const _zhsmatrix &  mat, const zcovector &  vec  )

inline

_zhsmatrix*zcovector operator

Definition at line 3 of file _zhsmatrix-zcovector.hpp.

References _(), conj(), _zhsmatrix::data, _zhsmatrix::destroy(), zcovector::l, _zhsmatrix::n, and zcovector::zero().

{CPPL_VERBOSE_REPORT;
#ifdef  CPPL_DEBUG
  if(mat.n!=vec.l){
    ERROR_REPORT;
    std::cerr << "These matrix and vector can not make a product." << std::endl
              << "Your input was (" << mat.n << "x" << mat.n << ") * (" << vec.l << ")." << std::endl;
    exit(1);
  }
#endif//CPPL_DEBUG
  
  zcovector newvec(mat.n);
  newvec.zero();
  
  const std::vector<zcomponent>::const_iterator mat_data_end =mat.data.end();
  for(std::vector<zcomponent>::const_iterator it=mat.data.begin(); it!=mat_data_end; it++){
    newvec(it->i) +=it->v*vec(it->j);
    if(it->i!=it->j){
      newvec(it->j) +=std::conj(it->v)*vec(it->i);
    }
  }
  
  mat.destroy();
  return _(newvec);
}