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_zgbmatrix-zcovector.hpp File Reference

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Functions

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

Function Documentation

_zcovector operator* ( const _zgbmatrix mat,
const zcovector vec 
) [inline]

_zgbmatrix*zcovector operator

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

References _(), zcovector::array, _zgbmatrix::array, _zgbmatrix::destroy(), _zgbmatrix::kl, _zgbmatrix::ku, zcovector::l, _zgbmatrix::m, and _zgbmatrix::n.

{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.m << "x" << mat.n << ") * (" << vec.l << ")." << std::endl;
    exit(1);
  }
#endif//CPPL_DEBUG
  
  zcovector newvec(mat.m);
  zgbmv_( 'n', mat.m, mat.n, mat.kl, mat.ku, comple(1.0,0.0), mat.array,
          mat.kl+mat.ku+1, vec.array, 1, comple(0.0,0.0), newvec.array, 1 );
  
  mat.destroy();
  return _(newvec);
}
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