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From 9dbd8386a1b706beb30291a7e76bbfe69c2620cf Mon Sep 17 00:00:00 2001
From: "Gabriel F. T. Gomes" <gftg@linux.vnet.ibm.com>
Date: Wed, 23 Aug 2017 10:16:54 -0300
Subject: [PATCH] Fix the C++ version of issignaling when __NO_LONG_DOUBLE_MATH
is defined
When __NO_LONG_DOUBLE_MATH is defined, __issignalingl is not available,
thus issignaling with long double argument should call __issignaling,
instead.
Tested for powerpc64le.
* math/math.h [defined __cplusplus] (issignaling): In the long
double case, call __issignalingl only if __NO_LONG_DOUBLE_MATH
is not defined. Call __issignaling, otherwise.
(cherry picked from commit 3d7b66f66cb223e899a7ebc0f4c20f13e711c9e0)
[Romain rebase on glibc 2.26]
Signed-off-by: Romain Naour <romain.naour@gmail.com>
---
math/math.h | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/math/math.h b/math/math.h
index add86af..60dfa31 100644
--- a/math/math.h
+++ b/math/math.h
@@ -486,7 +486,15 @@ enum
extern "C++" {
inline int issignaling (float __val) { return __issignalingf (__val); }
inline int issignaling (double __val) { return __issignaling (__val); }
-inline int issignaling (long double __val) { return __issignalingl (__val); }
+inline int
+issignaling (long double __val)
+{
+# ifdef __NO_LONG_DOUBLE_MATH
+ return __issignaling (__val);
+# else
+ return __issignalingl (__val);
+# endif
+}
# if __HAVE_DISTINCT_FLOAT128
inline int issignaling (_Float128 __val) { return __issignalingf128 (__val); }
# endif
--
2.9.5
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