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Annotation of OpenXM_contrib/gmp/tests/mpz/io.c, Revision 1.1

1.1     ! ohara       1: /* Test conversion and I/O using mpz_out_str and mpz_inp_str.
        !             2:
        !             3: Copyright 1993, 1994, 1996, 2000, 2001 Free Software Foundation, Inc.
        !             4:
        !             5: This file is part of the GNU MP Library.
        !             6:
        !             7: The GNU MP 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 GNU MP 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 GNU MP 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 "config.h"
        !            23:
        !            24: #include <stdio.h>
        !            25: #include <stdlib.h>
        !            26: #if HAVE_UNISTD_H
        !            27: #include <unistd.h>            /* for unlink */
        !            28: #endif
        !            29:
        !            30: #include "gmp.h"
        !            31: #include "gmp-impl.h"
        !            32: #include "tests.h"
        !            33:
        !            34: #define FILENAME  "io.tmp"
        !            35:
        !            36: void
        !            37: debug_mp (mpz_t x, int base)
        !            38: {
        !            39:   mpz_out_str (stdout, base, x); fputc ('\n', stdout);
        !            40: }
        !            41:
        !            42: int
        !            43: main (int argc, char **argv)
        !            44: {
        !            45:   mpz_t  op1, op2;
        !            46:   mp_size_t size;
        !            47:   int i;
        !            48:   int reps = 10000;
        !            49:   FILE *fp;
        !            50:   int base;
        !            51:   gmp_randstate_ptr rands;
        !            52:   mpz_t bs;
        !            53:   unsigned long bsi, size_range;
        !            54:   size_t nread;
        !            55:
        !            56:   tests_start ();
        !            57:   rands = RANDS;
        !            58:
        !            59:   mpz_init (bs);
        !            60:
        !            61:   if (argc == 2)
        !            62:     reps = atoi (argv[1]);
        !            63:
        !            64:   mpz_init (op1);
        !            65:   mpz_init (op2);
        !            66:
        !            67:   fp = fopen (FILENAME, "w+");
        !            68:
        !            69:   for (i = 0; i < reps; i++)
        !            70:     {
        !            71:       mpz_urandomb (bs, rands, 32);
        !            72:       size_range = mpz_get_ui (bs) % 10 + 2;
        !            73:
        !            74:       mpz_urandomb (bs, rands, size_range);
        !            75:       size = mpz_get_ui (bs);
        !            76:       mpz_rrandomb (op1, rands, size);
        !            77:       mpz_urandomb (bs, rands, 1);
        !            78:       bsi = mpz_get_ui (bs);
        !            79:       if ((bsi & 1) != 0)
        !            80:        mpz_neg (op1, op1);
        !            81:
        !            82:       mpz_urandomb (bs, rands, 16);
        !            83:       bsi = mpz_get_ui (bs);
        !            84:       base = bsi % 36 + 1;
        !            85:       if (base == 1)
        !            86:        base = 0;
        !            87:
        !            88:       rewind (fp);
        !            89:       if (mpz_out_str (fp, base, op1) == 0
        !            90:           || putc (' ', fp) == EOF
        !            91:           || fflush (fp) != 0)
        !            92:         {
        !            93:           printf ("mpz_out_str write error\n");
        !            94:           abort ();
        !            95:         }
        !            96:
        !            97:       rewind (fp);
        !            98:       nread = mpz_inp_str (op2, fp, base);
        !            99:       if (nread == 0)
        !           100:         {
        !           101:           if (ferror (fp))
        !           102:             printf ("mpz_inp_str stream read error\n");
        !           103:           else
        !           104:             printf ("mpz_inp_str data conversion error\n");
        !           105:          abort ();
        !           106:        }
        !           107:
        !           108:       if (nread != ftell(fp))
        !           109:         {
        !           110:           printf ("mpz_inp_str nread doesn't match ftell\n");
        !           111:           printf ("  nread  %u\n", nread);
        !           112:           printf ("  ftell  %ld\n", ftell(fp));
        !           113:           abort ();
        !           114:         }
        !           115:
        !           116:       if (mpz_cmp (op1, op2))
        !           117:        {
        !           118:          printf ("ERROR\n");
        !           119:          printf ("op1  = "); debug_mp (op1, -16);
        !           120:          printf ("op2  = "); debug_mp (op2, -16);
        !           121:          printf ("base = %d\n", base);
        !           122:          abort ();
        !           123:        }
        !           124:     }
        !           125:
        !           126:   fclose (fp);
        !           127:
        !           128:   unlink (FILENAME);
        !           129:
        !           130:   mpz_clear (bs);
        !           131:   mpz_clear (op1);
        !           132:   mpz_clear (op2);
        !           133:
        !           134:   tests_end ();
        !           135:   exit (0);
        !           136: }