zrovector-_zgematrix.hpp File Reference

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Functions
_zrovector	operator* (const zrovector &vec, const _zgematrix &mat)

Function Documentation

_zrovector operator* ( const zrovector &  vec, const _zgematrix &  mat  )

inline

zrovector*_zgematrix operator

Definition at line 3 of file zrovector-_zgematrix.hpp.

References _(), zrovector::array, _zgematrix::array, _zgematrix::destroy(), zrovector::l, _zgematrix::m, and _zgematrix::n.

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

  zgemv_( &trans, &mat.m, &mat.n, &alpha, mat.array, &mat.m, vec.array, &inc, &beta, newvec.array, &inc );
  
  mat.destroy();
  return _(newvec);
}