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Annotation of OpenXM_contrib/gmp/mpfr/tests/tset_d.c, Revision 1.1

1.1     ! maekawa     1: /* Test file for mpfr_set_d and mpfr_get_d.
        !             2:
        !             3: Copyright (C) 1999 PolKA project, Inria Lorraine and Loria
        !             4:
        !             5: This file is part of the MPFR Library.
        !             6:
        !             7: The MPFR Library is free software; you can redistribute it and/or modify
        !             8: it under the terms of the GNU Library General Public License as published by
        !             9: the Free Software Foundation; either version 2 of the License, or (at your
        !            10: option) any later version.
        !            11:
        !            12: The MPFR Library is distributed in the hope that it will be useful, but
        !            13: WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
        !            14: or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Library General Public
        !            15: License for more details.
        !            16:
        !            17: You should have received a copy of the GNU Library General Public License
        !            18: along with the MPFR Library; see the file COPYING.LIB.  If not, write to
        !            19: the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
        !            20: MA 02111-1307, USA. */
        !            21:
        !            22: #include <stdio.h>
        !            23: #include <stdlib.h>
        !            24: #include <time.h>
        !            25: #ifdef IRIX64
        !            26: #include <sys/fpu.h>
        !            27: #endif
        !            28: #include "gmp.h"
        !            29: #include "mpfr.h"
        !            30: #include "mpfr-impl.h"
        !            31:
        !            32: extern int isnan();
        !            33:
        !            34: int
        !            35: main(int argc, char **argv)
        !            36: {
        !            37:   fprintf(stderr, "Test case tset_d disabled\n");
        !            38:   exit(0);                     /* THIS TEST CASE IS NOT WORKING */
        !            39:
        !            40: #if 0
        !            41:   mpfr_t x,y,z; unsigned long k,n; double d, dd;
        !            42: #ifdef IRIX64
        !            43:     /* to get denormalized numbers on IRIX64 */
        !            44:     union fpc_csr exp;
        !            45:     exp.fc_word = get_fpc_csr();
        !            46:     exp.fc_struct.flush = 0;
        !            47:     set_fpc_csr(exp.fc_word);
        !            48: #endif
        !            49:
        !            50:   mpfr_init2(z, 32);
        !            51:   mpfr_set_d(z, 1.0, 0);
        !            52:   if (mpfr_get_d(z) != 1.0) {
        !            53:     mpfr_print_raw(z); putchar('\n');
        !            54:     printf("Error: 1.0 != 1.0\n"); exit(1);
        !            55:   }
        !            56:   mpfr_init2(x, 53); mpfr_init2(y, 53);
        !            57:   mpfr_set_d(x, d=-1.08007920352320089721e+150, 0);
        !            58:   if (mpfr_get_d(x) != d) {
        !            59:     mpfr_print_raw(x); putchar('\n');
        !            60:     printf("Error: get_d o set_d <> identity for d = %1.20e %1.20e\n",d,
        !            61:           mpfr_get_d(x)); exit(1);
        !            62:   }
        !            63:   srand48(time(NULL));
        !            64:   mpfr_set_d(x, 8.06294740693074521573e-310, 0);
        !            65:   d = -6.72658901114033715233e-165;
        !            66:   mpfr_set_d(x, d, 0);
        !            67:   if (d != mpfr_get_d(x)) {
        !            68:     mpfr_print_raw(x); putchar('\n');
        !            69:     printf("Error: get_d o set_d <> identity for d = %1.20e %1.20e\n",d,
        !            70:           mpfr_get_d(x)); exit(1);
        !            71:   }
        !            72:   n = (argc==1) ? 1000000 : atoi(argv[1]);
        !            73:   for (k = 1; k <= n; k++)
        !            74:     {
        !            75:       d = drand();
        !            76:       mpfr_set_d(x, d, 0);
        !            77:       dd = mpfr_get_d(x);
        !            78:       if (d != dd && (!isnan(d) || !isnan(dd)))
        !            79:        {
        !            80:          fprintf(stderr,
        !            81:                  "Mismatch on : %1.18g != %1.18g\n", d, mpfr_get_d(x));
        !            82:          mpfr_print_raw(x); putchar('\n');
        !            83:        }
        !            84:     }
        !            85:
        !            86:   mpfr_clear(x); mpfr_clear(y); mpfr_clear(z);
        !            87:   exit (0);
        !            88: #endif /* 0 */
        !            89: }
        !            90: