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

1.1     ! maekawa     1: /* Test file for mpfr_cmp.
        !             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 <math.h>
        !            25: #include "gmp.h"
        !            26: #include "longlong.h"
        !            27: #include "mpfr.h"
        !            28: #include "mpfr-impl.h"
        !            29:
        !            30: int
        !            31: main()
        !            32: {
        !            33:   double x,y; mpfr_t xx,yy; int i,c;
        !            34:
        !            35:   fprintf(stderr, "Test case 'tcmp' disabled\n");
        !            36:   exit(0);                     /* THIS TEST CASE IS NOT WORKING */
        !            37:
        !            38:   mpfr_init2(xx, 65); mpfr_init2(yy, 65);
        !            39:   mpfr_set_str_raw(xx, "0.10011010101000110101010000000011001001001110001011101011111011101E623");
        !            40:   mpfr_set_str_raw(yy, "0.10011010101000110101010000000011001001001110001011101011111011100E623");
        !            41:   if (mpfr_cmp2(xx,yy)!=64) { printf("Error (1) in mpfr_cmp\n"); exit(1); }
        !            42:   mpfr_set_str_raw(xx, "0.10100010001110110111000010001000010011111101000100011101000011100");
        !            43:   mpfr_set_str_raw(yy, "0.10100010001110110111000010001000010011111101000100011101000011011");
        !            44:   if (mpfr_cmp2(xx,yy)!=64) { printf("Error (1) in mpfr_cmp\n"); exit(1); }
        !            45:   mpfr_set_prec(xx,53); mpfr_set_prec(yy,200);
        !            46:   mpfr_set_d(xx, 1.0, 0);
        !            47:   mpfr_set_d(yy, 1.0, 0);
        !            48:   if (mpfr_cmp(xx,yy)!=0) {
        !            49:     printf("Error in mpfr_cmp: 1.0 != 1.0\n"); exit(1);
        !            50:   }
        !            51:   mpfr_set_prec(yy, 31);
        !            52:   mpfr_set_d(xx, 1.0000000002, 0);
        !            53:   mpfr_set_d(yy, 1.0, 0);
        !            54:   if (!(mpfr_cmp(xx,yy)>0)) {
        !            55:     printf("Error in mpfr_cmp: not 1.0000000002 > 1.0\n"); exit(1);
        !            56:   }
        !            57:   mpfr_set_prec(yy, 53);
        !            58:   for (i=0;i<1000000;) {
        !            59:     x=drand(); y=drand();
        !            60:     if (!isnan(x) && !isnan(y)) {
        !            61:       i++;
        !            62:       mpfr_set_d(xx, x, 0);
        !            63:       mpfr_set_d(yy, y, 0);
        !            64:       c = mpfr_cmp(xx,yy);
        !            65:       if ((c>0 && x<=y) || (c==0 && x!=y) || (c<0 && x>=y)) {
        !            66:        printf("Error in mpfr_cmp with x=%1.20e, y=%1.20e mpfr_cmp(x,y)=%d\n",
        !            67:               x,y,c); exit(1);
        !            68:       }
        !            69:     }
        !            70:   }
        !            71:   mpfr_clear(xx); mpfr_clear(yy);
        !            72:   exit (0);
        !            73: }