diff options
Diffstat (limited to 'gnu/lib/libgmp/mpf/get_d.c')
-rw-r--r-- | gnu/lib/libgmp/mpf/get_d.c | 54 |
1 files changed, 0 insertions, 54 deletions
diff --git a/gnu/lib/libgmp/mpf/get_d.c b/gnu/lib/libgmp/mpf/get_d.c deleted file mode 100644 index a10b366..0000000 --- a/gnu/lib/libgmp/mpf/get_d.c +++ /dev/null @@ -1,54 +0,0 @@ -/* double mpf_get_d (mpf_t src) -- Return the double approximation to SRC. - -Copyright (C) 1996 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" - -double -#if __STDC__ -mpf_get_d (mpf_srcptr src) -#else -mpf_get_d (src) - mpf_srcptr src; -#endif -{ - double res; - mp_size_t size, i, n_limbs_to_use; - int negative; - mp_ptr qp; - - size = SIZ(src); - if (size == 0) - return 0.0; - - negative = size < 0; - size = ABS (size); - qp = PTR(src); - - res = qp[size - 1]; - n_limbs_to_use = MIN (LIMBS_PER_DOUBLE, size); - for (i = 2; i <= n_limbs_to_use; i++) - res = res * MP_BASE_AS_DOUBLE + qp[size - i]; - - res = __gmp_scale2 (res, (EXP(src) - n_limbs_to_use) * BITS_PER_MP_LIMB); - - return negative ? -res : res; -} |