diff options
| -rw-r--r-- | libc/sysdeps/linux/common/bits/mathcalls.h | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/libc/sysdeps/linux/common/bits/mathcalls.h b/libc/sysdeps/linux/common/bits/mathcalls.h index df2e21cc8..3772b7d0d 100644 --- a/libc/sysdeps/linux/common/bits/mathcalls.h +++ b/libc/sysdeps/linux/common/bits/mathcalls.h @@ -235,15 +235,14 @@ __MATHCALLX (nan,, (__const char *__tagb), (__const__)) __END_NAMESPACE_C99 #endif - -/* Return nonzero if VALUE is not a number. */ -/* DELETE? __MATHDECL_PRIV adds another "__": so this is "____isnan"???! */ -/*__MATHDECL_PRIV (int,__isnan,, (_Mdouble_ __value), (__const__))*/ - -#if defined __USE_MISC || defined __USE_XOPEN +#if defined __USE_MISC || defined __USE_XOPEN || defined __USE_ISOC99 /* Return nonzero if VALUE is not a number. */ +__BEGIN_NAMESPACE_C99 __MATHDECL_PRIV (int,isnan,, (_Mdouble_ __value), (__const__)) +__END_NAMESPACE_C99 +#endif +#if defined __USE_MISC || defined __USE_XOPEN # ifdef __DO_XSI_MATH__ /* Bessel functions. */ __MATHCALL (j0,, (_Mdouble_)) |