diff options
Diffstat (limited to 'sysdeps/ieee754/ldbl-128ibm')
| -rw-r--r-- | sysdeps/ieee754/ldbl-128ibm/bits/iscanonical.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/sysdeps/ieee754/ldbl-128ibm/bits/iscanonical.h b/sysdeps/ieee754/ldbl-128ibm/bits/iscanonical.h index 6eaf8ad..70da85f 100644 --- a/sysdeps/ieee754/ldbl-128ibm/bits/iscanonical.h +++ b/sysdeps/ieee754/ldbl-128ibm/bits/iscanonical.h @@ -23,8 +23,12 @@ #ifdef __NO_LONG_DOUBLE_MATH # define iscanonical(x) ((void) (__typeof (x)) (x), 1) #else +# if __LONG_DOUBLE_USES_FLOAT128 == 1 +# define __iscanonicall(x) ((void) (__typeof (x)) (x), 1) +# else extern int __iscanonicall (long double __x) __THROW __attribute__ ((__const__)); +# endif # define __iscanonicalf(x) ((void) (__typeof (x)) (x), 1) # define __iscanonical(x) ((void) (__typeof (x)) (x), 1) # if __HAVE_DISTINCT_FLOAT128 @@ -50,7 +54,9 @@ 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 +/* When using an IEEE 128-bit long double, _Float128 is defined as long double + in C++. */ +# if __HAVE_DISTINCT_FLOAT128 && __HAVE_FLOAT128_UNLIKE_LDBL inline int iscanonical (_Float128 __val) { return __iscanonicalf128 (__val); } # endif } |