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

1.1     ! maekawa     1: /* Test file for mpfr_set_str.
        !             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 "gmp.h"
        !            25: #include "mpfr.h"
        !            26: #include <time.h>
        !            27:
        !            28: #if defined (hpux)
        !            29: #define srandom srand48
        !            30: #define random mrand48
        !            31: #endif
        !            32:
        !            33: int
        !            34: main(int argc, char **argv)
        !            35: {
        !            36:   mpfr_t x; unsigned long k, bd, nc; char *str, *str2;
        !            37:
        !            38:   if (argc==2) { /* tset_str <string> */
        !            39:     mpfr_init2(x, 53);
        !            40:     mpfr_set_str_raw(x, argv[1]);
        !            41:     printf("%1.20e\n", mpfr_get_d(x));
        !            42:     mpfr_clear(x);
        !            43:     exit (0);
        !            44:   }
        !            45:
        !            46:   srandom(time(NULL));
        !            47:
        !            48:   if (argc > 1) { nc = atoi(argv[1]); } else { nc = 53; }
        !            49:   if (nc < 24) { nc = 24; }
        !            50:
        !            51:   bd = random()&8;
        !            52:
        !            53:   str2 = str = (char *) malloc (nc*sizeof(char));
        !            54:
        !            55:   if (bd)
        !            56:     {
        !            57:       for(k = 1; k <= bd; k++)
        !            58:        { *(str2++) = (random() & 1) + '0'; }
        !            59:     }
        !            60:   else { *(str2++) = '0'; }
        !            61:
        !            62:   *(str2++) = '.';
        !            63:
        !            64:   for(k = 1; k < nc - 17 - bd; k++)
        !            65:     {
        !            66:       *(str2++) = '0' + (random() & 1);
        !            67:     }
        !            68:
        !            69:   *(str2++) = 'e';
        !            70:   sprintf(str2, "%d", random() - (1 << 30));
        !            71:
        !            72:   /* printf("%s\n", str); */
        !            73:   mpfr_init2(x, nc + 10);
        !            74:   mpfr_set_str_raw(x, str);
        !            75:   /* mpfr_print_raw(x); printf("\n");  */
        !            76:
        !            77:   mpfr_set_prec(x, 53);
        !            78:   mpfr_set_str_raw(x, "+110101100.01010000101101000000100111001000101011101110E00");
        !            79:
        !            80:   mpfr_set_str_raw(x, "1.0");
        !            81:   if (mpfr_get_d(x) != 1.0) {
        !            82:     fprintf(stderr, "Error in mpfr_set_str_raw for s=1.0\n"); exit(1);
        !            83:   }
        !            84:
        !            85:   mpfr_clear(x); free(str);
        !            86:   exit (0);
        !            87: }