setFromSubmatrix() [1/2]

template<typename CoeffRing>

void SMat< CoeffRing >::setFromSubmatrix	(	const SMat< ACoeffRing > &	A,
		M2_arrayint	cols )

Definition at line 1147 of file smat.hpp.

{
  coeffR = A.coeffR;
  initialize(A.numRows(), cols->len, NULL);
  typename CoeffRing::Element f(*coeffR);
  for (size_t r = 0; r < nrows_; r++)
    for (size_t c = 0; c < cols->len; c++)
      {
        coeffR->set_zero(f);
        A.get_entry(r, cols->array[c], f);
        set_entry(r, c, f);
      }
}

References coeffR, get_entry(), initialize(), nrows_, numRows(), set_entry(), and SMat().