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author | tege <tege@gmplib.org> | 1996-05-08 09:10:48 +0200 |
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committer | tege <tege@gmplib.org> | 1996-05-08 09:10:48 +0200 |
commit | c6d715868f53b08c62a129ffd77fb585fd89c43b (patch) | |
tree | 82f36d2d8cbe7e07ad3e18d5c6e047e8796d861e /mpf/init2.c | |
download | gmp-c6d715868f53b08c62a129ffd77fb585fd89c43b.tar.gz |
Initial revision
Diffstat (limited to 'mpf/init2.c')
-rw-r--r-- | mpf/init2.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/mpf/init2.c b/mpf/init2.c new file mode 100644 index 000000000..a3e5752b2 --- /dev/null +++ b/mpf/init2.c @@ -0,0 +1,41 @@ +/* mpf_init2() -- Make a new multiple precision number with value 0. + +Copyright (C) 1993, 1994, 1995 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" + +void +#if __STDC__ +mpf_init2 (mpf_ptr r, unsigned long int prec_in_bits) +#else +mpf_init2 (r, prec_in_bits) + mpf_ptr r; + unsigned long int prec_in_bits; +#endif +{ + mp_size_t prec; + + prec = (MAX (53, prec_in_bits) + 2 * BITS_PER_MP_LIMB - 1)/BITS_PER_MP_LIMB; + r->_mp_d = (mp_ptr) (*_mp_allocate_func) ((prec + 1) * BYTES_PER_MP_LIMB); + r->_mp_prec = prec; + r->_mp_size = 0; + r->_mp_exp = 0; +} |