mirror of
https://github.com/vale981/arb
synced 2025-03-06 09:51:39 -05:00
62 lines
1.9 KiB
C
62 lines
1.9 KiB
C
|
/*=============================================================================
|
||
|
|
|
||
|
|
This file is part of ARB.
|
||
|
|
|
||
|
|
ARB 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.
|
||
|
|
|
||
|
|
ARB 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 ARB; if not, write to the Free Software
|
||
|
|
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
||
|
|
|
||
|
|
=============================================================================*/
|
||
|
|
/******************************************************************************
|
||
|
|
|
||
|
|
Copyright (C) 2014 Fredrik Johansson
|
||
|
|
|
||
|
|
******************************************************************************/
|
||
|
|
|
||
|
|
#include "mag.h"
|
||
|
|
|
||
|
|
void
|
||
|
|
mag_randtest_special(mag_t x, flint_rand_t state, long expbits)
|
||
|
|
{
|
||
|
|
switch (n_randint(state, 32))
|
||
|
|
{
|
||
|
|
case 0:
|
||
|
|
mag_zero(x);
|
||
|
|
break;
|
||
|
|
case 1:
|
||
|
|
mag_inf(x);
|
||
|
|
break;
|
||
|
|
case 2:
|
||
|
|
MAG_MAN(x) = (LIMB_ONE << MAG_BITS) - 1;
|
||
|
|
fmpz_randtest(MAG_EXPREF(x), state, expbits);
|
||
|
|
break;
|
||
|
|
case 3:
|
||
|
|
MAG_MAN(x) = LIMB_ONE << (MAG_BITS - 1);
|
||
|
|
fmpz_randtest(MAG_EXPREF(x), state, expbits);
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
MAG_MAN(x) = (n_randtest(state) >> (FLINT_BITS - MAG_BITS));
|
||
|
|
MAG_MAN(x) |= (LIMB_ONE << (MAG_BITS - 1));
|
||
|
|
fmpz_randtest(MAG_EXPREF(x), state, expbits);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void
|
||
|
|
mag_randtest(mag_t x, flint_rand_t state, long expbits)
|
||
|
|
{
|
||
|
|
mag_randtest_special(x, state, expbits);
|
||
|
|
if (mag_is_inf(x))
|
||
|
|
mag_zero(x);
|
||
|
|
}
|
||
|
|
|