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

1.1       maekawa     1: /* Test file for mpfr_pi.
                      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 <stdlib.h>
                     23: #include "gmp.h"
                     24: #include "mpfr.h"
                     25:
                     26: /* tpi [prec] [rnd] [0 = no print] */
                     27:
                     28: int main(argc, argv) int argc; char *argv[];
                     29: {
                     30:   mpfr_t x; int p; unsigned char rnd;
                     31:
                     32:   p = (argc>1) ? atoi(argv[1]) : 53;
                     33:   rnd = (argc>2) ? atoi(argv[2]) : GMP_RNDZ;
                     34:   mpfr_init2(x, p);
                     35:   mpfr_pi(x, rnd);
                     36:   if (argc>=2) {
                     37:     printf("Pi="); mpfr_out_str(stdout, 10, 0, x, rnd); putchar('\n');
                     38:   }
                     39:   else if (mpfr_get_d(x) != 3.141592653589793116) {
                     40:     fprintf(stderr, "mpfr_pi failed for prec=53\n"); exit(1);
                     41:   }
                     42:   mpfr_clear(x);
                     43:   exit (0);
                     44: }