mirror of https://github.com/macssh/macssh.git
91 lines
2.5 KiB
C
91 lines
2.5 KiB
C
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/* Test file for mpfr_set_d and mpfr_get_d.
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Copyright (C) 1999 PolKA project, Inria Lorraine and Loria
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This file is part of the MPFR Library.
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The MPFR Library is free software; you can redistribute it and/or modify
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it under the terms of the GNU Library General Public License as published by
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the Free Software Foundation; either version 2 of the License, or (at your
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option) any later version.
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The MPFR Library is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
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License for more details.
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You should have received a copy of the GNU Library General Public License
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along with the MPFR Library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
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MA 02111-1307, USA. */
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#include <stdio.h>
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#include <stdlib.h>
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#include <time.h>
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#ifdef IRIX64
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#include <sys/fpu.h>
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#endif
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#include "gmp.h"
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#include "mpfr.h"
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#include "mpfr-impl.h"
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extern int isnan();
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int
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main(int argc, char **argv)
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{
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fprintf(stderr, "Test case tset_d disabled\n");
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exit(0); /* THIS TEST CASE IS NOT WORKING */
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#if 0
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mpfr_t x,y,z; unsigned long k,n; double d, dd;
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#ifdef IRIX64
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/* to get denormalized numbers on IRIX64 */
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union fpc_csr exp;
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exp.fc_word = get_fpc_csr();
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exp.fc_struct.flush = 0;
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set_fpc_csr(exp.fc_word);
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#endif
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mpfr_init2(z, 32);
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mpfr_set_d(z, 1.0, 0);
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if (mpfr_get_d(z) != 1.0) {
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mpfr_print_raw(z); putchar('\n');
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printf("Error: 1.0 != 1.0\n"); exit(1);
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}
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mpfr_init2(x, 53); mpfr_init2(y, 53);
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mpfr_set_d(x, d=-1.08007920352320089721e+150, 0);
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if (mpfr_get_d(x) != d) {
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mpfr_print_raw(x); putchar('\n');
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printf("Error: get_d o set_d <> identity for d = %1.20e %1.20e\n",d,
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mpfr_get_d(x)); exit(1);
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}
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srand48(time(NULL));
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mpfr_set_d(x, 8.06294740693074521573e-310, 0);
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d = -6.72658901114033715233e-165;
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mpfr_set_d(x, d, 0);
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if (d != mpfr_get_d(x)) {
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mpfr_print_raw(x); putchar('\n');
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printf("Error: get_d o set_d <> identity for d = %1.20e %1.20e\n",d,
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mpfr_get_d(x)); exit(1);
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}
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n = (argc==1) ? 1000000 : atoi(argv[1]);
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for (k = 1; k <= n; k++)
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{
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d = drand();
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mpfr_set_d(x, d, 0);
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dd = mpfr_get_d(x);
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if (d != dd && (!isnan(d) || !isnan(dd)))
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{
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fprintf(stderr,
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"Mismatch on : %1.18g != %1.18g\n", d, mpfr_get_d(x));
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mpfr_print_raw(x); putchar('\n');
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}
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}
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mpfr_clear(x); mpfr_clear(y); mpfr_clear(z);
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exit (0);
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#endif /* 0 */
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}
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