diff options
Diffstat (limited to 'sysdeps/ieee754/ldbl-128/mpn2ldbl.c')
-rw-r--r-- | sysdeps/ieee754/ldbl-128/mpn2ldbl.c | 52 |
1 files changed, 0 insertions, 52 deletions
diff --git a/sysdeps/ieee754/ldbl-128/mpn2ldbl.c b/sysdeps/ieee754/ldbl-128/mpn2ldbl.c deleted file mode 100644 index 625186fdc2..0000000000 --- a/sysdeps/ieee754/ldbl-128/mpn2ldbl.c +++ /dev/null @@ -1,52 +0,0 @@ -/* Copyright (C) 1995-2017 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C 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 - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <http://www.gnu.org/licenses/>. */ - -#include "gmp.h" -#include "gmp-impl.h" -#include <ieee754.h> -#include <float.h> -#include <math.h> - -/* Convert a multi-precision integer of the needed number of bits (113 for - long double) and an integral power of two to a `long double' in IEEE854 - quad-precision format. */ - -long double -__mpn_construct_long_double (mp_srcptr frac_ptr, int expt, int sign) -{ - union ieee854_long_double u; - - u.ieee.negative = sign; - u.ieee.exponent = expt + IEEE854_LONG_DOUBLE_BIAS; -#if BITS_PER_MP_LIMB == 32 - u.ieee.mantissa3 = frac_ptr[0]; - u.ieee.mantissa2 = frac_ptr[1]; - u.ieee.mantissa1 = frac_ptr[2]; - u.ieee.mantissa0 = frac_ptr[3] & (((mp_limb_t) 1 - << (LDBL_MANT_DIG - 96)) - 1); -#elif BITS_PER_MP_LIMB == 64 - u.ieee.mantissa3 = frac_ptr[0] & (((mp_limb_t) 1 << 32) - 1); - u.ieee.mantissa2 = frac_ptr[0] >> 32; - u.ieee.mantissa1 = frac_ptr[1] & (((mp_limb_t) 1 << 32) - 1); - u.ieee.mantissa0 = (frac_ptr[1] >> 32) & (((mp_limb_t) 1 - << (LDBL_MANT_DIG - 96)) - 1); -#else - #error "mp_limb size " BITS_PER_MP_LIMB "not accounted for" -#endif - - return u.d; -} |