diff options
Diffstat (limited to 'bits')
| -rw-r--r-- | bits/floatn-common.h | 51 |
1 files changed, 42 insertions, 9 deletions
diff --git a/bits/floatn-common.h b/bits/floatn-common.h index 4d38a910fc..aa0a757fe7 100644 --- a/bits/floatn-common.h +++ b/bits/floatn-common.h @@ -21,6 +21,7 @@ #define _BITS_FLOATN_COMMON_H #include <features.h> +#include <bits/long-double.h> /* This header should be included at the bottom of each bits/floatn.h. It defines the following macros for each _FloatN and _FloatNx type, @@ -88,7 +89,11 @@ # if __HAVE_FLOAT64 # if !__GNUC_PREREQ (7, 0) || defined __cplusplus -# define __f64(x) x +# ifdef __NO_LONG_DOUBLE_MATH +# define __f64(x) x##l +# else +# define __f64(x) x +# endif # else # define __f64(x) x##f64 # endif @@ -142,7 +147,11 @@ typedef _Complex float __cfloat16 __attribute__ ((__mode__ (__HC__))); # if __HAVE_FLOAT64 # if !__GNUC_PREREQ (7, 0) || defined __cplusplus -# define __CFLOAT64 _Complex double +# ifdef __NO_LONG_DOUBLE_MATH +# define __CFLOAT64 _Complex long double +# else +# define __CFLOAT64 _Complex double +# endif # else # define __CFLOAT64 _Complex _Float64 # endif @@ -209,15 +218,39 @@ typedef float _Float32; # if __HAVE_FLOAT64 -# if !__GNUC_PREREQ (7, 0) || defined __cplusplus +/* If double, long double and _Float64 all have the same set of + values, TS 18661-3 requires the usual arithmetic conversions on + long double and _Float64 to produce _Float64. For this to be the + case when building with a compiler without a distinct _Float64 + type, _Float64 must be a typedef for long double, not for + double. */ + +# ifdef __NO_LONG_DOUBLE_MATH + +# if !__GNUC_PREREQ (7, 0) || defined __cplusplus +typedef long double _Float64; +# endif + +# if !__GNUC_PREREQ (7, 0) +# define __builtin_huge_valf64() (__builtin_huge_vall ()) +# define __builtin_inff64() (__builtin_infl ()) +# define __builtin_nanf64(x) (__builtin_nanl (x)) +# define __builtin_nansf64(x) (__builtin_nansl (x)) +# endif + +# else + +# if !__GNUC_PREREQ (7, 0) || defined __cplusplus typedef double _Float64; -# endif +# endif + +# if !__GNUC_PREREQ (7, 0) +# define __builtin_huge_valf64() (__builtin_huge_val ()) +# define __builtin_inff64() (__builtin_inf ()) +# define __builtin_nanf64(x) (__builtin_nan (x)) +# define __builtin_nansf64(x) (__builtin_nans (x)) +# endif -# if !__GNUC_PREREQ (7, 0) -# define __builtin_huge_valf64() (__builtin_huge_val ()) -# define __builtin_inff64() (__builtin_inf ()) -# define __builtin_nanf64(x) (__builtin_nan (x)) -# define __builtin_nansf64(x) (__builtin_nans (x)) # endif # endif |