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75 lines
1.9 KiB
C
75 lines
1.9 KiB
C
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/* tadd_si -- test file for mpc_add_si.
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Copyright (C) 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 <stdlib.h>
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#include "mpc-tests.h"
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static void
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check_ternary_value (void)
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{
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mpfr_prec_t prec;
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mpc_t z;
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const long int s = -1;
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mpc_init2 (z, 2);
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for (prec=2; prec <= 1024; prec++) {
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mpc_set_prec (z, prec);
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mpc_set_ui (z, 3ul, MPC_RNDNN);
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if (mpc_add_si (z, z, s, MPC_RNDDU)) {
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printf ("Error in mpc_add_si: 3+(-1) should be exact\n");
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exit (1);
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}
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else if (mpc_cmp_si (z, 2l) != 0) {
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printf ("Error in mpc_add_si: 3+(-1) should be 2\n");
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exit (1);
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}
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mpc_mul_2ui (z, z, (unsigned long int) prec, MPC_RNDNN);
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if (mpc_add_si (z, z, s, MPC_RNDNN) == 0) {
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printf ("Error in mpc_add_si: 2^(prec+1)-1 cannot be exact\n");
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exit (1);
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}
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}
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mpc_clear (z);
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}
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#define MPC_FUNCTION_CALL \
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P[0].mpc_inex = mpc_add_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_add_si (P[1].mpc, P[1].mpc, P[3].si, 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_ternary_value ();
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tgeneric_template ("add_si.dsc", 2, 1024, 1, 1024);
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test_end ();
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return 0;
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}
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