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fix fesetround error checking
author
Szabolcs Nagy
<nsz@port70.net>
Mon, 10 Sep 2018 19:06:21 +0000
(19:06 +0000)
committer
Rich Felker
<dalias@aerifal.cx>
Wed, 10 Oct 2018 20:15:51 +0000
(16:15 -0400)
Rounding modes are not bit flags, but arbitrary non-negative integers.
src/fenv/fesetround.c
patch
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diff --git
a/src/fenv/fesetround.c
b/src/fenv/fesetround.c
index
50e58f1
..
4e2f164
100644
(file)
--- a/
src/fenv/fesetround.c
+++ b/
src/fenv/fesetround.c
@@
-7,18
+7,17
@@
hidden int __fesetround(int);
int fesetround(int r)
{
- if (r & ~(
- FE_TONEAREST
+ if (r != FE_TONEAREST
#ifdef FE_DOWNWARD
-
|
FE_DOWNWARD
+
&& r !=
FE_DOWNWARD
#endif
#ifdef FE_UPWARD
-
|
FE_UPWARD
+
&& r !=
FE_UPWARD
#endif
#ifdef FE_TOWARDZERO
-
|
FE_TOWARDZERO
+
&& r !=
FE_TOWARDZERO
#endif
-
)
)
+ )
return -1;
return __fesetround(r);
}