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104 lines
2.8 KiB
C
104 lines
2.8 KiB
C
/* tmul_i -- test file for mpc_mul_i.
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Copyright (C) 2008, 2009, 2010, 2011, 2012, 2013 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 "mpc-tests.h"
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static void
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check_different_precisions(void)
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{
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/* check reuse when real and imaginary part have different precisions. */
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mpc_t z, expected, got;
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int res;
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mpc_init2(z, 128);
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mpc_init2(expected, 128);
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mpc_init2(got, 128);
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/* change precision of one part */
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mpfr_set_prec (mpc_imagref (z), 32);
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mpfr_set_prec (mpc_imagref (expected), 32);
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mpfr_set_prec (mpc_imagref (got), 32);
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mpfr_set_str (mpc_realref (z), "0x100000000fp-32", 16, MPFR_RNDN);
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mpfr_set_str (mpc_imagref (z), "-1", 2, MPFR_RNDN);
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mpfr_set_str (mpc_realref (expected), "+1", 2, MPFR_RNDN);
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mpfr_set_str (mpc_imagref (expected), "0x100000000fp-32", 16, MPFR_RNDN);
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mpc_set (got, z, MPC_RNDNN);
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res = mpc_mul_i (got, got, +1, MPC_RNDNN);
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if (MPC_INEX_RE(res) != 0 || MPC_INEX_IM(res) >=0)
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{
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printf("Wrong inexact flag for mpc_mul_i(z, z, n)\n"
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" got (re=%2d, im=%2d)\nexpected (re= 0, im=-1)\n",
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MPC_INEX_RE(res), MPC_INEX_IM(res));
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exit(1);
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}
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if (mpc_cmp(got, expected) != 0)
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{
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printf ("Error for mpc_mul_i(z, z, n) for\n");
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MPC_OUT (z);
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printf ("n=+1\n");
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MPC_OUT (expected);
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MPC_OUT (got);
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exit (1);
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}
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mpc_neg (expected, expected, MPC_RNDNN);
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mpc_set (got, z, MPC_RNDNN);
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mpc_mul_i (got, got, -1, MPC_RNDNN);
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if (mpc_cmp(got, expected) != 0)
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{
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printf ("Error for mpc_mul_i(z, z, n) for\n");
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MPC_OUT (z);
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printf ("n=-1\n");
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MPC_OUT (expected);
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MPC_OUT (got);
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exit (1);
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}
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mpc_clear (z);
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mpc_clear (expected);
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mpc_clear (got);
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}
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#define MPC_FUNCTION_CALL \
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P[0].mpc_inex = mpc_mul_i (P[1].mpc, P[2].mpc, P[3].i, P[4].mpc_rnd)
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#define MPC_FUNCTION_CALL_REUSE_OP1 \
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P[0].mpc_inex = mpc_mul_i (P[1].mpc, P[1].mpc, P[3].i, P[4].mpc_rnd)
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#include "tgeneric.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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check_different_precisions ();
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tgeneric_template ("mul_i.dsc", 2, 1024, 7, 1024);
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test_end ();
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return 0;
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}
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