subtractInPlace()

template<typename CoeffRing>

void SMat< CoeffRing >::subtractInPlace

(

const SMat< ACoeffRing > &

B

)

Definition at line 1177 of file smat.hpp.

{
  assert(&B.ring() == &ring());
  assert(B.numRows() == numRows());
  assert(B.numColumns() == numColumns());
 
  for (size_t c = 0; c < numColumns(); c++)
    {
      sparsevec *v = vec_copy(B.columns_[c]);
      vec_negate(v);
      vec_add_to(columns_[c], v);
    }
}

References columns_, numColumns(), numRows(), ring(), SMat(), vec_add_to(), vec_copy(), and vec_negate().

Referenced by MatrixOps::subtractInPlace().