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-rw-r--r--src/isinf.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/isinf.h b/src/isinf.h
index 7799d2876..b4c56f79d 100644
--- a/src/isinf.h
+++ b/src/isinf.h
@@ -12,6 +12,9 @@
#elif defined(__APPLE__) && __GNUC__ == 3
#define isinf(x) __isinf(x)
+#elif __cplusplus >= 201103L
+# include <cmath>
+# define isinf std::isinf
#endif
#endif /* __ISINF_H__ */