_zrovector-_zhematrix.hpp File Reference

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Functions
_zrovector	operator* (const _zrovector &vec, const _zhematrix &mat)

Function Documentation

_zrovector operator* ( const _zrovector &  vec, const _zhematrix &  mat  )

inline

_zrovector*_zhematrix operator

Definition at line 3 of file _zrovector-_zhematrix.hpp.

References _(), _zrovector::array, zrovector::array, _zhematrix::array, _zhematrix::destroy(), _zrovector::destroy(), _zrovector::l, and _zhematrix::n.

{CPPL_VERBOSE_REPORT;
#ifdef  CPPL_DEBUG
  if(vec.l!=mat.n){
    ERROR_REPORT;
    std::cerr << "These vector and matrix can not make a product." << std::endl
              << "Your input was (" << vec.l << ") * (" << mat.n << "x" << mat.n << ")." << std::endl;
    exit(1);
  }
#endif//CPPL_DEBUG
  
  zrovector newvec(mat.n);
  char uplo ='l';
  comple alpha =comple(1.,0.);
  CPPL_INT inc =1;
  comple beta =comple(0.,0.);
  
  zhemv_( &uplo, &mat.n, &alpha, mat.array, &mat.n, vec.array, &inc, &beta, newvec.array, &inc );
  
  vec.destroy();
  mat.destroy();
  return _(newvec);
}