diff options
Diffstat (limited to 'sysdeps/ieee754/ldbl-96/s_getpayloadl.c')
-rw-r--r-- | sysdeps/ieee754/ldbl-96/s_getpayloadl.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/sysdeps/ieee754/ldbl-96/s_getpayloadl.c b/sysdeps/ieee754/ldbl-96/s_getpayloadl.c new file mode 100644 index 0000000000..3ef90d07de --- /dev/null +++ b/sysdeps/ieee754/ldbl-96/s_getpayloadl.c @@ -0,0 +1,32 @@ +/* Get NaN payload. ldbl-96 version. + Copyright (C) 2016 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 <math.h> +#include <math_private.h> +#include <stdint.h> + +long double +getpayloadl (const long double *x) +{ + uint16_t se __attribute__ ((unused)); + uint32_t hx, lx; + GET_LDOUBLE_WORDS (se, hx, lx, *x); + hx &= 0x3fffffff; + uint64_t ix = ((uint64_t) hx << 32) | lx; + return (long double) ix; +} |