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Diffstat (limited to 'sysdeps/ieee754/ldbl-128ibm/s_issignalingl.c')
-rw-r--r--sysdeps/ieee754/ldbl-128ibm/s_issignalingl.c49
1 files changed, 0 insertions, 49 deletions
diff --git a/sysdeps/ieee754/ldbl-128ibm/s_issignalingl.c b/sysdeps/ieee754/ldbl-128ibm/s_issignalingl.c
deleted file mode 100644
index feb7edea5d..0000000000
--- a/sysdeps/ieee754/ldbl-128ibm/s_issignalingl.c
+++ /dev/null
@@ -1,49 +0,0 @@
-/* Test for signaling NaN.
- Copyright (C) 2013-2017 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 <math.h>
-#include <math_private.h>
-#include <nan-high-order-bit.h>
-
-int
-__issignalingl (long double x)
-{
- uint64_t xi;
- /* For inspecting NaN status, we only have to look at the first of the pair
- of IEEE 754 64-bit precision numbers. */
- double xhi;
-
- xhi = ldbl_high (x);
- EXTRACT_WORDS64 (xi, xhi);
-#if HIGH_ORDER_BIT_IS_SET_FOR_SNAN
-# error untested
- /* We only have to care about the high-order bit of x's significand, because
- having it set (sNaN) already makes the significand different from that
- used to designate infinity. */
- return (xi & UINT64_C (0x7ff8000000000000)) == UINT64_C (0x7ff8000000000000);
-#else
- /* To keep the following comparison simple, toggle the quiet/signaling bit,
- so that it is set for sNaNs. This is inverse to IEEE 754-2008 (as well as
- common practice for IEEE 754-1985). */
- xi ^= UINT64_C (0x0008000000000000);
- /* We have to compare for greater (instead of greater or equal), because x's
- significand being all-zero designates infinity not NaN. */
- return (xi & UINT64_C (0x7fffffffffffffff)) > UINT64_C (0x7ff8000000000000);
-#endif
-}
-libm_hidden_def (__issignalingl)