1 files changed, 19 insertions, 0 deletions
diff --git a/libquadmath/math/isinf_nsq.c b/libquadmath/math/isinf_nsq.c
new file mode 100644
index 00000000000..2f0834361c5
--- /dev/null
+++ b/libquadmath/math/isinf_nsq.c
@@ -0,0 +1,19 @@
+/*
+ * Written by Ulrich Drepper <drepper@gmail.com>
+ */
+
+/*
+ * __quadmath_isinf_nsq (x) returns != 0 if x is ±inf, else 0;
+ * no branching!
+ */
+
+#include "quadmath-imp.h"
+
+int
+__quadmath_isinf_nsq (__float128 x)
+{
+        int64_t hx,lx;
+        GET_FLT128_WORDS64(hx,lx,x);
+        return !(lx | ((hx & 0x7fffffffffffffffLL) ^ 0x7fff000000000000LL));
+}
+