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/*
Copyright (C) 2010 Fredrik Johansson
Copyright (C) 2013 Mike Hansen
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/>.
*/
#ifdef T
#include "templates.h"
slong
TEMPLATE(T, mat_rank) (const TEMPLATE(T, mat_t) A,
const TEMPLATE(T, ctx_t) ctx)
{
slong m, n, rank;
slong *perm;
TEMPLATE(T, mat_t) tmp;
m = A->r;
n = A->c;
if (m == 0 || n == 0)
return 0;
TEMPLATE(T, mat_init_set) (tmp, A, ctx);
perm = flint_malloc(sizeof(slong) * m);
rank = TEMPLATE(T, mat_lu) (perm, tmp, 0, ctx);
flint_free(perm);
TEMPLATE(T, mat_clear) (tmp, ctx);
return rank;
}
#endif