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-rw-r--r--libc/math/s_cexpl.c19
1 files changed, 6 insertions, 13 deletions
diff --git a/libc/math/s_cexpl.c b/libc/math/s_cexpl.c
index cf6bc974a..6bb56c02f 100644
--- a/libc/math/s_cexpl.c
+++ b/libc/math/s_cexpl.c
@@ -1,5 +1,5 @@
/* Return value of complex exponential function for long double complex 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.
@@ -21,8 +21,7 @@
#include <complex.h>
#include <fenv.h>
#include <math.h>
-
-#include "math_private.h"
+#include <math_private.h>
__complex__ long double
@@ -32,10 +31,10 @@ __cexpl (__complex__ long double x)
int rcls = fpclassify (__real__ x);
int icls = fpclassify (__imag__ x);
- if (rcls >= FP_ZERO)
+ if (__builtin_expect (rcls >= FP_ZERO, 1))
{
/* Real part is finite. */
- if (icls >= FP_ZERO)
+ if (__builtin_expect (icls >= FP_ZERO, 1))
{
/* Imaginary part is finite. */
long double exp_val = __ieee754_expl (__real__ x);
@@ -61,15 +60,13 @@ __cexpl (__complex__ long double x)
__real__ retval = __nanl ("");
__imag__ retval = __nanl ("");
-#ifdef FE_INVALID
feraiseexcept (FE_INVALID);
-#endif
}
}
- else if (rcls == FP_INFINITE)
+ else if (__builtin_expect (rcls == FP_INFINITE, 1))
{
/* Real part is infinite. */
- if (icls >= FP_ZERO)
+ if (__builtin_expect (icls >= FP_ZERO, 1))
{
/* Imaginary part is finite. */
long double value = signbit (__real__ x) ? 0.0 : HUGE_VALL;
@@ -95,10 +92,8 @@ __cexpl (__complex__ long double x)
__real__ retval = HUGE_VALL;
__imag__ retval = __nanl ("");
-#ifdef FE_INVALID
if (icls == FP_INFINITE)
feraiseexcept (FE_INVALID);
-#endif
}
else
{
@@ -112,10 +107,8 @@ __cexpl (__complex__ long double x)
__real__ retval = __nanl ("");
__imag__ retval = __nanl ("");
-#ifdef FE_INVALID
if (rcls != FP_NAN || icls != FP_NAN)
feraiseexcept (FE_INVALID);
-#endif
}
return retval;