CPPLapack
 All Classes Files Functions Variables Friends
Functions
drovector-_dgematrix.hpp File Reference

Go to the source code of this file.

Functions

_drovector operator* (const drovector &vec, const _dgematrix &mat)

Function Documentation

_drovector operator* ( const drovector vec,
const _dgematrix mat 
) [inline]

drovector*_dgematrix operator

Definition at line 3 of file drovector-_dgematrix.hpp.

References _(), drovector::array, _dgematrix::array, _dgematrix::destroy(), drovector::l, _dgematrix::m, and _dgematrix::n.

{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
  
  drovector newvec(mat.n);
  dgemv_( 'T', mat.m, mat.n, 1.0, mat.array, mat.m,
          vec.array, 1, 0.0, newvec.array, 1 );
  
  mat.destroy();
  return _(newvec);
}
 All Classes Files Functions Variables Friends