summaryrefslogtreecommitdiff
path: root/lib/isnan.c
diff options
context:
space:
mode:
Diffstat (limited to 'lib/isnan.c')
-rw-r--r--lib/isnan.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/isnan.c b/lib/isnan.c
index 7779e4d8b..b83d093d1 100644
--- a/lib/isnan.c
+++ b/lib/isnan.c
@@ -21,7 +21,7 @@
/* Specification. */
#ifdef USE_LONG_DOUBLE
/* Specification found in math.h or isnanl-nolibm.h. */
-extern int rpl_isnanl (long double x);
+extern int rpl_isnanl (long double x) _GL_ATTRIBUTE_CONST;
#elif ! defined USE_FLOAT
/* Specification found in math.h or isnand-nolibm.h. */
extern int rpl_isnand (double x);