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Annotation of OpenXM_contrib/gmp/mpz/random2.c, Revision 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: }