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92b3138b83
Updated dependencies: * GMP 6.2.1 * ISL 0.24 * MPL 1.2.1 * MPFR 4.1.0 The dependencies were pulled in by running the ./contrib/download_prerequisites script and then manually removing the symbolic links and archives, and renaming the directories (i.e mv isl-0.24 to isl)
97 lines
3.0 KiB
C
97 lines
3.0 KiB
C
/* tpow_si -- test file for mpc_pow_si.
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Copyright (C) 2009, 2010, 2011, 2012 INRIA
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This file is part of GNU MPC.
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GNU MPC is free software; you can redistribute it and/or modify it under
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the terms of the GNU Lesser General Public License as published by the
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Free Software Foundation; either version 3 of the License, or (at your
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option) any later version.
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GNU MPC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
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more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program. If not, see http://www.gnu.org/licenses/ .
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*/
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#include <limits.h> /* for CHAR_BIT */
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#include "mpc-tests.h"
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static void
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compare_mpc_pow (mpfr_prec_t pmax, int iter, unsigned long nbits)
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/* copied from tpow_ui.c and replaced unsigned by signed */
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{
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mpfr_prec_t p;
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mpc_t x, y, z, t;
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long n;
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int i, inex_pow, inex_pow_si;
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mpc_rnd_t rnd;
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mpc_init3 (y, sizeof (unsigned long) * CHAR_BIT, MPFR_PREC_MIN);
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for (p = MPFR_PREC_MIN; p <= pmax; p++)
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for (i = 0; i < iter; i++)
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{
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mpc_init2 (x, p);
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mpc_init2 (z, p);
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mpc_init2 (t, p);
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mpc_urandom (x, rands);
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n = (signed long) gmp_urandomb_ui (rands, nbits);
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mpc_set_si (y, n, MPC_RNDNN);
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for (rnd = 0; rnd < 16; rnd ++)
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{
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inex_pow = mpc_pow (z, x, y, rnd);
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inex_pow_si = mpc_pow_si (t, x, n, rnd);
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if (mpc_cmp (z, t) != 0)
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{
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printf ("mpc_pow and mpc_pow_si differ for x=");
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mpc_out_str (stdout, 10, 0, x, MPC_RNDNN);
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printf (" n=%li\n", n);
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printf ("mpc_pow gives ");
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mpc_out_str (stdout, 10, 0, z, MPC_RNDNN);
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printf ("\nmpc_pow_si gives ");
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mpc_out_str (stdout, 10, 0, t, MPC_RNDNN);
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printf ("\n");
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exit (1);
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}
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if (inex_pow != inex_pow_si)
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{
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printf ("mpc_pow and mpc_pow_si give different flags for x=");
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mpc_out_str (stdout, 10, 0, x, MPC_RNDNN);
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printf (" n=%li\n", n);
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printf ("mpc_pow gives %d\n", inex_pow);
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printf ("mpc_pow_si gives %d\n", inex_pow_si);
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exit (1);
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}
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}
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mpc_clear (x);
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mpc_clear (z);
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mpc_clear (t);
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}
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mpc_clear (y);
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}
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#define MPC_FUNCTION_CALL \
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P[0].mpc_inex = mpc_pow_si (P[1].mpc, P[2].mpc, P[3].si, P[4].mpc_rnd)
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#define MPC_FUNCTION_CALL_REUSE_OP1 \
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P[0].mpc_inex = mpc_pow_si (P[1].mpc, P[1].mpc, P[3].si, P[4].mpc_rnd)
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#include "data_check.tpl"
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int
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main (void)
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{
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test_start ();
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data_check_template ("pow_si.dsc", "pow_si.dat");
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compare_mpc_pow (100, 5, 19);
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test_end ();
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return 0;
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}
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