FF_LUComputation()

FF_LUComputation::FF_LUComputation ( MutableMatrix * M )

private

Definition at line 10 of file fractionfreeLU.cpp.

    : R(M0->get_ring()), M(M0), col_perm(nullptr), need_div(nullptr)
{
  int ncols = static_cast<int>(M->n_cols());
  col_perm = newarray_atomic(int, ncols);
  need_div = newarray_atomic(bool, ncols);
  pivot_col = ncols;  // Will be decremented before use
  for (int i = 0; i < ncols; i++)
    {
      col_perm[i] = i;
      need_div[i] = false;
    }
 
  pivot = R->from_long(1);
  lastpivot = R->from_long(1);
}

References col_perm, lastpivot, M, need_div, newarray_atomic, pivot, pivot_col, and R.

Referenced by DO().