Fredrik Holmqvist 87b935d29c Upgrade mpc from 1.0.1 to 1.1.0
Mostly bug fixes, see mpc/NEWS
2018-07-04 20:21:00 +02:00

80 lines
2.2 KiB
C

/* tpow -- test file for mpc_pow.
Copyright (C) 2009, 2011, 2012, 2013 INRIA
This file is part of GNU MPC.
GNU MPC is free software; you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License as published by the
Free Software Foundation; either version 3 of the License, or (at your
option) any later version.
GNU MPC 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 Lesser General Public License for
more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see http://www.gnu.org/licenses/ .
*/
#include "mpc-tests.h"
static void
reuse_bug (void)
{
/* bug found by the automatic builds on
http://hydra.nixos.org/build/1469029/log/raw */
mpc_t x, y, z;
mp_prec_t prec = 2;
for (prec = 2; prec <= 20; prec ++)
{
mpc_init2 (x, prec);
mpc_init2 (y, prec);
mpc_init2 (z, prec);
mpfr_set_ui (mpc_realref (x), 0ul, MPFR_RNDN);
mpfr_set_ui_2exp (mpc_imagref (x), 3ul, -2, MPFR_RNDN);
mpc_set_ui (y, 8ul, MPC_RNDNN);
mpc_pow (z, x, y, MPC_RNDNN);
mpc_pow (y, x, y, MPC_RNDNN);
if (mpfr_signbit (mpc_imagref (y)) != mpfr_signbit (mpc_imagref (z)))
{
printf ("Error: regression, reuse_bug reproduced\n");
exit (1);
}
mpc_clear (x);
mpc_clear (y);
mpc_clear (z);
}
}
#define MPC_FUNCTION_CALL \
P[0].mpc_inex = mpc_pow (P[1].mpc, P[2].mpc, P[3].mpc, P[4].mpc_rnd)
#define MPC_FUNCTION_CALL_REUSE_OP1 \
P[0].mpc_inex = mpc_pow (P[1].mpc, P[1].mpc, P[3].mpc, P[4].mpc_rnd)
#define MPC_FUNCTION_CALL_REUSE_OP2 \
P[0].mpc_inex = mpc_pow (P[1].mpc, P[2].mpc, P[1].mpc, P[4].mpc_rnd)
#include "data_check.tpl"
#include "tgeneric.tpl"
int
main (void)
{
test_start ();
reuse_bug ();
data_check_template ("pow.dsc", "pow.dat");
tgeneric_template ("pow.dsc", 2, 1024, 7, 10);
test_end ();
return 0;
}