_dgbmatrix-calc.hpp File Reference

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Functions
_dgbmatrix	t (const _dgbmatrix &mat)
_dgematrix	i (const _dgbmatrix &mat)

Function Documentation

_dgbmatrix t ( const _dgbmatrix &  mat )

inline

return its transposed dgbmatrix

Definition at line 3 of file _dgbmatrix-calc.hpp.

References _(), _dgbmatrix::destroy(), i(), dgbmatrix::kl, _dgbmatrix::kl, _dgbmatrix::ku, dgbmatrix::ku, dgbmatrix::m, _dgbmatrix::m, _dgbmatrix::n, and dgbmatrix::n.

{CPPL_VERBOSE_REPORT;
  dgbmatrix newmat(mat.n, mat.m, mat.ku, mat.kl);
  
  for(CPPL_INT i=0; i<newmat.m; i++){
    const CPPL_INT jmax =std::min(newmat.n,i+newmat.ku+1);
    for(CPPL_INT j=std::max(CPPL_INT(0),i-newmat.kl); j<jmax; j++){
      newmat(i,j) =mat(j,i);
    }
  }
  
  mat.destroy();
  return _(newmat);
}

_dgematrix i ( const _dgbmatrix &  mat )

inline

return its inverse matrix

Definition at line 20 of file _dgbmatrix-calc.hpp.

References _(), dgbmatrix::dgbsv(), dgematrix::identity(), _dgbmatrix::m, dgbmatrix::m, dgbmatrix::n, and _dgbmatrix::n.

Referenced by dgsmatrix::checkup(), zhsmatrix::checkup(), dssmatrix::checkup(), drovector::chsign(), zrovector::chsign(), dcovector::chsign(), zcovector::chsign(), zgematrix_small< m, n >::col(), dgematrix_small< m, n >::col(), dssmatrix::col(), zgsmatrix::col(), dgsmatrix::col(), zhsmatrix::col(), conj(), conjt(), damax(), zgsmatrix::del(), dgsmatrix::del(), zhsmatrix::del(), dssmatrix::del(), dgematrix::dgeev(), dgematrix::dgelsd(), dgematrix::dgelss(), hadamard(), hadamerd(), idamax(), zgsmatrix::identity(), zhsmatrix::identity(), dssmatrix::identity(), dgsmatrix::identity(), dgrmatrix::isListed(), zgsmatrix::isListed(), dgsmatrix::isListed(), nrm2(), zgsmatrix::number(), dgsmatrix::number(), operator%(), _zcovector::operator()(), _zrovector::operator()(), _drovector::operator()(), _dcovector::operator()(), zrovector::operator()(), zcovector::operator()(), _zgsmatrix::operator()(), _dgsmatrix::operator()(), drovector::operator()(), dcovector::operator()(), dgrmatrix::operator()(), zgsmatrix::operator()(), dgsmatrix::operator()(), zhsmatrix::operator()(), operator*(), operator*=(), operator+(), zrovector::operator+=(), zcovector::operator+=(), drovector::operator+=(), dcovector::operator+=(), operator+=(), operator-(), zrovector::operator-=(), zcovector::operator-=(), dcovector::operator-=(), drovector::operator-=(), operator-=(), operator/(), operator/=(), operator<<(), dgsmatrix::pardiso(), dssmatrix::pardiso_definite(), dssmatrix::pardiso_indefinite(), zgsmatrix::put(), zhsmatrix::put(), dgsmatrix::put(), dgematrix_small< m, n >::read(), zgematrix_small< m, n >::read(), zhematrix_small< n >::read(), dsymatrix_small< n >::read(), zrovector::read(), zcovector::read(), drovector::read(), dcovector::read(), zgsmatrix::read(), zhsmatrix::read(), dssmatrix::read(), dgsmatrix::read(), dssmatrix::rebuild(), zgsmatrix::resize(), dssmatrix::resize(), zhsmatrix::resize(), dgsmatrix::resize(), rotate(), zgematrix_small< m, n >::row(), dgematrix_small< m, n >::row(), dssmatrix::row(), zhsmatrix::row(), dgematrix_small< m, n >::set(), zgematrix_small< m, n >::set(), dsymatrix_small< n >::set(), zhematrix_small< n >::set(), zrovector::set(), zcovector::set(), drovector::set(), dcovector::set(), zgsmatrix::stretch(), dgsmatrix::stretch(), zhsmatrix::stretch(), dssmatrix::stretch(), t(), dgematrix_small< m, n >::to_dgematrix(), dgrmatrix::to_dgematrix(), dsymatrix_small< n >::to_dgematrix_small(), dgsmatrix::to_dgrmatrix(), dsymatrix_small< n >::to_dsymatrix(), _dcovector::to_zcovector(), dcovector::to_zcovector(), zgematrix_small< m, n >::to_zgematrix(), zhematrix_small< n >::to_zgematrix_small(), zhematrix_small< n >::to_zhematrix(), _drovector::to_zrovector(), drovector::to_zrovector(), trace(), _zcovector::write(), _zrovector::write(), _drovector::write(), _dcovector::write(), zgematrix_small< m, n >::write(), dgematrix_small< m, n >::write(), zhematrix_small< n >::write(), dsymatrix_small< n >::write(), zcovector::write(), zrovector::write(), drovector::write(), dcovector::write(), zhematrix_small< n >::zero(), dsymatrix_small< n >::zero(), zgsmatrix::zero(), zrovector::zero(), drovector::zero(), dgsmatrix::zero(), dssmatrix::zero(), zcovector::zero(), zhsmatrix::zero(), and dcovector::zero().

{CPPL_VERBOSE_REPORT;
#ifdef  CPPL_DEBUG
  if(mat.m!=mat.n){
    ERROR_REPORT;
    std::cerr << "This matrix is not square and has no inverse matrix." << std::endl
              << "Your input was (" << mat.m << "x" << mat.n << ")." << std::endl;
    exit(1);
  }
#endif//CPPL_DEBUG
  
  dgbmatrix mat_cp(mat);
  dgematrix mat_inv(mat_cp.m,mat_cp.n);
  mat_inv.identity();
  mat_cp.dgbsv(mat_inv);

  return _(mat_inv);
}