addMultipleTo() [1/12]

template<typename RT>

void MatrixOps::addMultipleTo	(	DMat< RT > &	A,
		MatrixWindow	wA,
		const typename RT::ElementType &	c,
		const DMat< RT > &	B,
		MatrixWindow	wB )

Definition at line 344 of file mat-arith.hpp.

{
  assert(wA.sameSize(wB));
  typename RT::Element tmp(A.ring());
  long rA = wA.begin_row;
  long rB = wB.begin_row;
  for (; rA < wA.end_row; ++rA, ++rB)
    {
      long cA = wA.begin_column;
      long cB = wB.begin_column;
      for (; cA < wA.end_column; ++cA, ++cB)
        {
          A.ring().mult(tmp, c, B.entry(rB, cB));
          auto& a = A.entry(rA, cA);
          A.ring().add(a, a, tmp);
        }
    }
}

References MatrixWindow::begin_column, MatrixWindow::begin_row, MatrixWindow::end_column, MatrixWindow::end_row, DMat< ACoeffRing >::entry(), DMat< ACoeffRing >::ring(), and MatrixWindow::sameSize().