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Annotation of OpenXM_contrib/gmp/mpfr/tests/tswap.c, Revision 1.1.1.1

1.1       ohara       1: /* Test file for mpfr_swap.
                      2:
                      3: Copyright 2000, 2001 Free Software Foundation, Inc.
                      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 Lesser General Public License as published by
                      9: the Free Software Foundation; either version 2.1 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 Lesser General Public
                     15: License for more details.
                     16:
                     17: You should have received a copy of the GNU Lesser 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:
                     27: int
                     28: main (void)
                     29: {
                     30:   mpfr_t u, v;
                     31:
                     32:   mpfr_init2 (u, 24);
                     33:   mpfr_init2 (v, 53);
                     34:   mpfr_set_ui (u, 16777215, GMP_RNDN); /* 2^24 - 1 */
                     35:   mpfr_set_d (v, 9007199254740991.0, GMP_RNDN); /* 2^53 - 1 */
                     36:   mpfr_swap (u, v);
                     37:   mpfr_swap (u, v);
                     38:   if (mpfr_cmp_ui (u, 16777215) || (mpfr_get_d1 (v) != 9007199254740991.0)) {
                     39:     fprintf (stderr, "Error in mpfr_swap\n");
                     40:     exit (1);
                     41:   }
                     42:   mpfr_clear (u);
                     43:   mpfr_clear (v);
                     44:
                     45:   return 0;
                     46: }