1 | /* mpz_random2 -- Generate a positive random mpz_t of specified size, with |
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2 | long runs of consecutive ones and zeros in the binary representation. |
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3 | Meant for testing of other MP routines. |
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4 | |
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5 | Copyright 1991, 1993, 1994, 1996, 2001 Free Software Foundation, Inc. |
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6 | |
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7 | This file is part of the GNU MP Library. |
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8 | |
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9 | The GNU MP Library is free software; you can redistribute it and/or modify |
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10 | it under the terms of the GNU Lesser General Public License as published by |
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11 | the Free Software Foundation; either version 2.1 of the License, or (at your |
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12 | option) any later version. |
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13 | |
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14 | The GNU MP Library is distributed in the hope that it will be useful, but |
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15 | WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY |
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16 | or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public |
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17 | License for more details. |
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18 | |
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19 | You should have received a copy of the GNU Lesser General Public License |
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20 | along with the GNU MP Library; see the file COPYING.LIB. If not, write to |
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21 | the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, |
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22 | MA 02111-1307, USA. */ |
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23 | |
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24 | #include "gmp.h" |
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25 | #include "gmp-impl.h" |
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26 | |
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27 | void |
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28 | mpz_random2 (mpz_ptr x, mp_size_t size) |
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29 | { |
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30 | mp_size_t abs_size; |
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31 | |
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32 | abs_size = ABS (size); |
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33 | if (abs_size != 0) |
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34 | { |
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35 | if (x->_mp_alloc < abs_size) |
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36 | _mpz_realloc (x, abs_size); |
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37 | |
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38 | mpn_random2 (x->_mp_d, abs_size); |
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39 | } |
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40 | |
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41 | x->_mp_size = size; |
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42 | } |
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