@@ -1,5 +1,9 @@
2014-07-01 Richard henderson <rth@redhat.com>
+ * sysdeps/alpha/fpu/bits/mathinline.h (__isnanf): Remove.
+ (__isnan, __isnanl): Remove.
+ * sysdeps/alpha/fpu/s_isnan.c (__isnan): Use integer arithmetic.
+
* sysdeps/alpha/fpu/libm-test-ulps: Update.
2014-07-01 Stefan Liebler <stli@linux.vnet.ibm.com>
@@ -120,29 +120,6 @@ __NTH (__signbitl (long double __x))
return __builtin_signbitl (__x);
#endif
}
-
-/* Test for NaN. Used in the isnan() macro. */
-
-__MATH_INLINE int
-__NTH (__isnanf (float __x))
-{
- return isunordered (__x, __x);
-}
-
-__MATH_INLINE int
-__NTH (__isnan (double __x))
-{
- return isunordered (__x, __x);
-}
-
-#ifndef __NO_LONG_DOUBLE_MATH
-__MATH_INLINE int
-__NTH (__isnanl (long double __x))
-{
- return isunordered (__x, __x);
-}
-#endif
-
#endif /* C99 */
#endif /* __NO_MATH_INLINES */
@@ -31,7 +31,9 @@
int
__isnan (double x)
{
- return isunordered (x, x);
+ uint64_t ix;
+ EXTRACT_WORDS64 (ix, x);
+ return ix * 2 > 0xffe0000000000000ul;
}
hidden_def (__isnan)