diff options
Diffstat (limited to 'math/complex.h')
| -rw-r--r-- | math/complex.h | 28 |
1 files changed, 27 insertions, 1 deletions
diff --git a/math/complex.h b/math/complex.h index 59ce30e297..1ae4ec2409 100644 --- a/math/complex.h +++ b/math/complex.h @@ -22,11 +22,15 @@ #ifndef _COMPLEX_H #define _COMPLEX_H 1 -#include <features.h> +#define __GLIBC_INTERNAL_STARTING_HEADER_IMPLEMENTATION +#include <bits/libc-header-start.h> /* Get general and ISO C99 specific information. */ #include <bits/mathdef.h> +/* Gather machine-dependent _FloatN type support. */ +#include <bits/floatn.h> + __BEGIN_DECLS /* We might need to add support for more compilers here. But since ISO @@ -55,6 +59,10 @@ __BEGIN_DECLS # define CMPLXL(x, y) __builtin_complex ((long double) (x), (long double) (y)) #endif +#if __HAVE_FLOAT128 && __GLIBC_USE (IEC_60559_TYPES_EXT) +# define CMPLXF128(x, y) __builtin_complex ((_Float128) (x), (_Float128) (y)) +#endif + /* The file <bits/cmathcalls.h> contains the prototypes for all the actual math functions. These macros are used for those prototypes, so we can easily declare each function as both `name' and `__name', @@ -84,6 +92,24 @@ __BEGIN_DECLS #undef _Mdouble_ #undef __MATH_PRECNAME +#if (__HAVE_DISTINCT_FLOAT128 || (__HAVE_FLOAT128 && !defined _LIBC)) \ + && __GLIBC_USE (IEC_60559_TYPES_EXT) +# ifndef _Mfloat128_ +# define _Mfloat128_ _Float128 +# endif +/* GCC < 7 requires extra convincing to expose a complex float128 type. */ +# ifdef __CFLOAT128 +# undef _Mdouble_complex_ +# define _Mdouble_complex_ __CFLOAT128 +# endif +# define _Mdouble_ _Mfloat128_ +# define __MATH_PRECNAME(name) name##f128 +# include <bits/cmathcalls.h> +# undef _Mdouble_ +# undef __MATH_PRECNAME +# undef _Mdouble_complex_ +#endif + /* And the long double versions. It is non-critical to define them here unconditionally since `long double' is required in ISO C99. */ #if !(defined __NO_LONG_DOUBLE_MATH && defined _LIBC) \ |