diff options
Diffstat (limited to 'gnu/lib/libgmp/mpf/iset_si.c')
-rw-r--r-- | gnu/lib/libgmp/mpf/iset_si.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/gnu/lib/libgmp/mpf/iset_si.c b/gnu/lib/libgmp/mpf/iset_si.c new file mode 100644 index 00000000000..e67eef4cdb5 --- /dev/null +++ b/gnu/lib/libgmp/mpf/iset_si.c @@ -0,0 +1,55 @@ +/* mpf_init_set_si() -- Initialize a float and assign it from a signed int. + +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_init_set_si (mpf_ptr r, long int val) +#else +mpf_init_set_si (r, val) + mpf_ptr r; + long int val; +#endif +{ + mp_size_t prec = __gmp_default_fp_limb_precision; + r->_mp_d = (mp_ptr) (*_mp_allocate_func) ((prec + 1) * BYTES_PER_MP_LIMB); + r->_mp_prec = prec; + + if (val > 0) + { + r->_mp_d[0] = val; + r->_mp_size = 1; + r->_mp_exp = 1; + } + else if (val < 0) + { + r->_mp_d[0] = -val; + r->_mp_size = -1; + r->_mp_exp = 1; + } + else + { + r->_mp_size = 0; + r->_mp_exp = 0; + } +} |