pqc/external/flint-2.4.3/fq_mat_templates/randtril.c
2014-05-24 23:16:06 +02:00

64 lines
1.9 KiB
C

/*=============================================================================
This file is part of FLINT.
FLINT is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
FLINT is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with FLINT; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
=============================================================================*/
/******************************************************************************
Copyright (C) 2011 Fredrik Johansson
Copyright (C) 2013 Mike Hansen
******************************************************************************/
#ifdef T
#include "templates.h"
void
TEMPLATE(T, mat_randtril) (TEMPLATE(T, mat_t) mat, flint_rand_t state,
int unit, const TEMPLATE(T, ctx_t) ctx)
{
TEMPLATE(T, struct) * e;
slong i, j;
for (i = 0; i < mat->r; i++)
{
for (j = 0; j < mat->c; j++)
{
e = TEMPLATE(T, mat_entry) (mat, i, j);
if (j < i)
{
TEMPLATE(T, randtest) (e, state, ctx);
}
else if (i == j)
{
TEMPLATE(T, randtest) (e, state, ctx);
if (unit || TEMPLATE(T, is_zero) (e, ctx))
TEMPLATE(T, one) (e, ctx);
}
else
{
TEMPLATE(T, zero) (e, ctx);
}
}
}
}
#endif