/*
Copyright (C) 2014 Abhinav Baid
Copyright (C) 2015 Elena Sergeichave
This file is part of FLINT.
FLINT is free software: you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License (LGPL) as published
by the Free Software Foundation; either version 3 of the License, or
(at your option) any later version. See <https://www.gnu.org/licenses/>.
*/
#include "fmpz_poly_mat.h"
void
fmpz_poly_mat_window_init(fmpz_poly_mat_t window, const fmpz_poly_mat_t mat, slong r1,
slong c1, slong r2, slong c2)
{
FLINT_ASSERT(r1 >= 0 && r1 <= r2 && r2 <= mat->r);
FLINT_ASSERT(c2 >= 0 && c1 <= c2 && c2 <= mat->c);
window->entries = fmpz_poly_mat_entry(mat, r1, c1);
window->r = r2 - r1;
window->c = c2 - c1;
window->stride = mat->stride;
}
void
fmpz_poly_mat_window_clear(fmpz_poly_mat_t FLINT_UNUSED(window))
{
}