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diff libquadmath/math/isinfq.c @ 145:1830386684a0

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gcc-9.2.0
author anatofuz
date Thu, 13 Feb 2020 11:34:05 +0900
parents 561a7518be6b
children
line wrap: on
line diff
--- a/libquadmath/math/isinfq.c	Thu Oct 25 07:37:49 2018 +0900
+++ b/libquadmath/math/isinfq.c	Thu Feb 13 11:34:05 2020 +0900
@@ -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);
 }