diff options
Diffstat (limited to 'sysdeps/ieee754/ldbl-96/s_iscanonicall.c')
-rw-r--r-- | sysdeps/ieee754/ldbl-96/s_iscanonicall.c | 44 |
1 files changed, 0 insertions, 44 deletions
diff --git a/sysdeps/ieee754/ldbl-96/s_iscanonicall.c b/sysdeps/ieee754/ldbl-96/s_iscanonicall.c deleted file mode 100644 index 820a45e3a8..0000000000 --- a/sysdeps/ieee754/ldbl-96/s_iscanonicall.c +++ /dev/null @@ -1,44 +0,0 @@ -/* Test whether long double value is canonical. ldbl-96 version. - Copyright (C) 2016-2017 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 <float.h> -#include <math.h> -#include <math_private.h> -#include <stdbool.h> -#include <stdint.h> - -int -__iscanonicall (long double x) -{ - uint32_t se, i0, i1 __attribute__ ((unused)); - - GET_LDOUBLE_WORDS (se, i0, i1, x); - int32_t ix = se & 0x7fff; - bool mant_high = (i0 & 0x80000000) != 0; - - if (LDBL_MIN_EXP == -16381) - /* Intel variant: the high mantissa bit should have a value - determined by the exponent. */ - return ix > 0 ? mant_high : !mant_high; - else - /* M68K variant: both values of the high bit are valid for the - greatest and smallest exponents, while other exponents require - the high bit to be set. */ - return ix == 0 || ix == 0x7fff || mant_high; -} -libm_hidden_def (__iscanonicall) |