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Annotation of OpenXM_contrib/gmp/mpz/random2.c, Revision 1.1.1.1

1.1       maekawa     1: /* mpz_random2 -- Generate a positive random mpz_t of specified size, with
                      2:    long runs of consecutive ones and zeros in the binary representation.
                      3:    Meant for testing of other MP routines.
                      4:
                      5: Copyright (C) 1991, 1993, 1994, 1996 Free Software Foundation, Inc.
                      6:
                      7: This file is part of the GNU MP Library.
                      8:
                      9: The GNU MP Library is free software; you can redistribute it and/or modify
                     10: it under the terms of the GNU Library General Public License as published by
                     11: the Free Software Foundation; either version 2 of the License, or (at your
                     12: option) any later version.
                     13:
                     14: The GNU MP Library is distributed in the hope that it will be useful, but
                     15: WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
                     16: or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Library General Public
                     17: License for more details.
                     18:
                     19: You should have received a copy of the GNU Library General Public License
                     20: along with the GNU MP Library; see the file COPYING.LIB.  If not, write to
                     21: the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
                     22: MA 02111-1307, USA. */
                     23:
                     24: #include "gmp.h"
                     25: #include "gmp-impl.h"
                     26:
                     27: void
                     28: #if __STDC__
                     29: mpz_random2 (mpz_ptr x, mp_size_t size)
                     30: #else
                     31: mpz_random2 (x, size)
                     32:      mpz_ptr x;
                     33:      mp_size_t size;
                     34: #endif
                     35: {
                     36:   mp_size_t abs_size;
                     37:
                     38:   abs_size = ABS (size);
                     39:   if (abs_size != 0)
                     40:     {
                     41:       if (x->_mp_alloc < abs_size)
                     42:        _mpz_realloc (x, abs_size);
                     43:
                     44:       mpn_random2 (x->_mp_d, abs_size);
                     45:     }
                     46:
                     47:   x->_mp_size = size;
                     48: }