QR()

template<typename T>

bool MutableMat< T >::QR ( MutableMatrix * Q, MutableMatrix * R, bool return_QR ) const

virtual

Implements MutableMatrix.

Definition at line 324 of file mutablemat-imp.hpp.

{
  if (!is_dense())
    throw exc::engine_error("'QR' is only implemented for dense matrices");
 
  auto Q1 = Q->coerce<DMat<CoeffRing> >();
  if (Q1 == 0) throw exc::engine_error("Q matrix is of the wrong type/ring");
  auto R1 = R->coerce<DMat<CoeffRing> >();
  if (R1 == 0) throw exc::engine_error("R matrix is of the wrong type/ring");
  return MatrixOps::QR(mat, *Q1, *R1, return_QR);
}

References MutableMatrix::coerce(), is_dense(), mat, MutableMatrix::MutableMatrix(), and MatrixOps::QR().