1 | /* mpz_array_init (array, array_size, size_per_elem) -- |
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2 | |
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3 | Copyright 1991, 1993, 1994, 1995, 2000, 2001, 2002 Free Software Foundation, |
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4 | Inc. |
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5 | |
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6 | This file is part of the GNU MP Library. |
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7 | |
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8 | The GNU MP Library is free software; you can redistribute it and/or modify |
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9 | it under the terms of the GNU Lesser General Public License as published by |
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10 | the Free Software Foundation; either version 2.1 of the License, or (at your |
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11 | option) any later version. |
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12 | |
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13 | The GNU MP Library is distributed in the hope that it will be useful, but |
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14 | WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY |
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15 | or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public |
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16 | License for more details. |
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17 | |
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18 | You should have received a copy of the GNU Lesser General Public License |
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19 | along with the GNU MP Library; see the file COPYING.LIB. If not, write to |
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20 | the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, |
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21 | MA 02111-1307, USA. */ |
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22 | |
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23 | #include "gmp.h" |
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24 | #include "gmp-impl.h" |
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25 | |
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26 | void |
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27 | mpz_array_init (mpz_ptr arr, mp_size_t arr_size, mp_size_t nbits) |
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28 | { |
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29 | register mp_ptr p; |
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30 | register mp_size_t i; |
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31 | mp_size_t nlimbs; |
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32 | |
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33 | nlimbs = (nbits + GMP_NUMB_BITS - 1) / GMP_NUMB_BITS; |
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34 | p = (mp_ptr) (*__gmp_allocate_func) (arr_size * nlimbs * BYTES_PER_MP_LIMB); |
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35 | |
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36 | for (i = 0; i < arr_size; i++) |
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37 | { |
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38 | arr[i]._mp_alloc = nlimbs + 1; /* Yes, lie a little... */ |
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39 | arr[i]._mp_size = 0; |
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40 | arr[i]._mp_d = p + i * nlimbs; |
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41 | } |
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42 | } |
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