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-rw-r--r--math/s_catan.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/math/s_catan.c b/math/s_catan.c
index 59c0a3af6b..1a458a3833 100644
--- a/math/s_catan.c
+++ b/math/s_catan.c
@@ -1,5 +1,5 @@
/* Return arc tangent of complex double value.
- Copyright (C) 1997 Free Software Foundation, Inc.
+ Copyright (C) 1997, 2011 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
@@ -20,7 +20,6 @@
#include <complex.h>
#include <math.h>
-
#include <math_private.h>
@@ -31,7 +30,7 @@ __catan (__complex__ double x)
int rcls = fpclassify (__real__ x);
int icls = fpclassify (__imag__ x);
- if (rcls <= FP_INFINITE || icls <= FP_INFINITE)
+ if (__builtin_expect (rcls <= FP_INFINITE || icls <= FP_INFINITE, 0))
{
if (rcls == FP_INFINITE)
{
@@ -57,7 +56,7 @@ __catan (__complex__ double x)
__imag__ res = __nan ("");
}
}
- else if (rcls == FP_ZERO && icls == FP_ZERO)
+ else if (__builtin_expect (rcls == FP_ZERO && icls == FP_ZERO, 0))
{
res = x;
}