1 files changed, 14 insertions, 5 deletions
diff --git a/libquadmath/math/isinfq.c b/libquadmath/math/isinfq.c
index 46996b54c3d..673fd22caf8 100644
--- a/libquadmath/math/isinfq.c
+++ b/libquadmath/math/isinfq.c
@@ -4,14 +4,23 @@
  * Public domain.
  */
 
+#if defined(LIBM_SCCS) && !defined(lint)
+static char rcsid[] = "$NetBSD: $";
+#endif
+
+/*
+ * isinfq(x) returns 1 if x is inf, -1 if x is -inf, else 0;
+ * no branching!
+ */
+
 #include "quadmath-imp.h"
 
 int
 isinfq (__float128 x)
 {
-  int64_t hx,lx;
-  GET_FLT128_WORDS64(hx,lx,x);
-  lx |= (hx & 0x7fffffffffffffffLL) ^ 0x7fff000000000000LL;
-  lx |= -lx;
-  return ~(lx >> 63) & (hx >> 62);
+	int64_t hx,lx;
+	GET_FLT128_WORDS64(hx,lx,x);
+	lx |= (hx & 0x7fffffffffffffffLL) ^ 0x7fff000000000000LL;
+	lx |= -lx;
+	return ~(lx >> 63) & (hx >> 62);
 }