diff options
Diffstat (limited to 'sysdeps/ieee754/ldbl-128ibm')
| -rw-r--r-- | sysdeps/ieee754/ldbl-128ibm/bits/iscanonical.h | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/sysdeps/ieee754/ldbl-128ibm/bits/iscanonical.h b/sysdeps/ieee754/ldbl-128ibm/bits/iscanonical.h index 7ddb368d26..f756857c03 100644 --- a/sysdeps/ieee754/ldbl-128ibm/bits/iscanonical.h +++ b/sysdeps/ieee754/ldbl-128ibm/bits/iscanonical.h @@ -37,5 +37,22 @@ extern int __iscanonicall (long double __x) conversion, before being discarded; in IBM long double, there are encodings that are not consistently handled as corresponding to any particular value of the type, and we return 0 for those. */ -# define iscanonical(x) __MATH_TG ((x), __iscanonical, (x)) -#endif +# ifndef __cplusplus +# define iscanonical(x) __MATH_TG ((x), __iscanonical, (x)) +# else +/* In C++ mode, __MATH_TG cannot be used, because it relies on + __builtin_types_compatible_p, which is a C-only builtin. On the + other hand, overloading provides the means to distinguish between + the floating-point types. The overloading resolution will match + the correct parameter (regardless of type qualifiers (i.e.: const + and volatile)). */ +extern "C++" { +inline int iscanonical (float __val) { return __iscanonicalf (__val); } +inline int iscanonical (double __val) { return __iscanonical (__val); } +inline int iscanonical (long double __val) { return __iscanonicall (__val); } +# if __HAVE_DISTINCT_FLOAT128 +inline int iscanonical (_Float128 __val) { return __iscanonicalf128 (__val); } +# endif +} +# endif /* __cplusplus */ +#endif /* __NO_LONG_DOUBLE_MATH */ |