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Annotation of OpenXM_contrib/gmp/mpfr/tests/tset_z.c, Revision 1.1.1.2

1.1       maekawa     1: /* Test file for mpfr_set_z.
                      2:
1.1.1.2 ! ohara       3: Copyright 1999, 2001, 2002 Free Software Foundation, Inc.
1.1       maekawa     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
1.1.1.2 ! ohara       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
1.1       maekawa    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
1.1.1.2 ! ohara      14: or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
1.1       maekawa    15: License for more details.
                     16:
1.1.1.2 ! ohara      17: You should have received a copy of the GNU Lesser General Public License
1.1       maekawa    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:
1.1.1.2 ! ohara      22: #include <stdio.h>
1.1       maekawa    23: #include <stdlib.h>
1.1.1.2 ! ohara      24: #include <time.h>
1.1       maekawa    25: #include "gmp.h"
                     26: #include "mpfr.h"
1.1.1.2 ! ohara      27: #include "mpfr-test.h"
1.1       maekawa    28:
1.1.1.2 ! ohara      29: void check _PROTO((long, unsigned char));
        !            30: void check_large _PROTO((void));
1.1       maekawa    31:
1.1.1.2 ! ohara      32: void
        !            33: check(long i, unsigned char rnd)
        !            34: {
1.1       maekawa    35:   mpfr_t f; mpz_t z;
                     36:
                     37:   mpfr_init2(f, 53); mpz_init(z);
                     38:   mpz_set_ui(z, i);
                     39:   mpfr_set_z(f, z, rnd);
1.1.1.2 ! ohara      40:   if ((long)mpfr_get_d1 (f) != i) {
1.1       maekawa    41:     printf("Error in mpfr_set_z for i=%ld rnd_mode=%d\n",i,rnd);
                     42:     exit(1);
                     43:   }
                     44:   mpfr_clear(f); mpz_clear(z);
                     45: }
                     46:
1.1.1.2 ! ohara      47: void
        !            48: check_large (void)
1.1       maekawa    49: {
                     50:   mpz_t z; mpfr_t x,y;
                     51:
                     52:   mpz_init(z); mpfr_init2(x, 160); mpfr_init2(y, 160);
                     53:   mpz_set_str(z, "77031627725494291259359895954016675357279104942148788042", 10);
                     54:   mpfr_set_z(x, z, GMP_RNDN);
                     55:   mpfr_set_str_raw(y, "0.1100100100001111110110101010001000100001011010001100001000110100110001001100011001100010100010111000000011011100000111001101000100101001000000100100111000001001E186");
                     56:   if (mpfr_cmp(x,y)) {
                     57:     fprintf(stderr, "Error in mpfr_set_z on large input\n"); exit(1);
                     58:   }
                     59:   mpz_clear(z); mpfr_clear(x); mpfr_clear(y);
                     60: }
                     61:
1.1.1.2 ! ohara      62: /* tset_z z rnd prec */
        !            63:
        !            64: int
        !            65: main (int argc, char *argv[])
1.1       maekawa    66: {
                     67:   long j;
                     68:
                     69:   check_large();
1.1.1.2 ! ohara      70:   SEED_RAND (time(NULL));
        !            71:   check(0, 0);
1.1       maekawa    72:   for (j=0; j<1000000; j++)
1.1.1.2 ! ohara      73:     check(LONG_RAND(), LONG_RAND()%4);
1.1       maekawa    74:
1.1.1.2 ! ohara      75:   return 0;
        !            76: }