diff options
Diffstat (limited to 'math/math.h')
| -rw-r--r-- | math/math.h | 42 |
1 files changed, 41 insertions, 1 deletions
diff --git a/math/math.h b/math/math.h index c7895b735f..0c19d450ee 100644 --- a/math/math.h +++ b/math/math.h @@ -560,8 +560,48 @@ extern int matherr (struct exception *__exc); /* Define special entry points to use when the compiler got told to only expect finite results. */ #if defined __FINITE_MATH_ONLY__ && __FINITE_MATH_ONLY__ > 0 + +/* Include bits/math-finite.h for double. */ +# define _Mdouble_ double +# define __MATH_DECLARING_DOUBLE 1 +# define __MATH_DECLARING_LDOUBLE 0 +# define _MSUF_ # include <bits/math-finite.h> -#endif +# undef _Mdouble_ +# undef __MATH_DECLARING_DOUBLE +# undef __MATH_DECLARING_LDOUBLE +# undef _MSUF_ + +/* When __USE_ISOC99 is defined, include math-finite for float and + long double, as well. */ +# ifdef __USE_ISOC99 + +/* Include bits/math-finite.h for float. */ +# define _Mdouble_ float +# define __MATH_DECLARING_DOUBLE 0 +# define __MATH_DECLARING_LDOUBLE 0 +# define _MSUF_ f +# include <bits/math-finite.h> +# undef _Mdouble_ +# undef __MATH_DECLARING_DOUBLE +# undef __MATH_DECLARING_LDOUBLE +# undef _MSUF_ + +/* Include bits/math-finite.h for long double. */ +# if __MATH_DECLARE_LDOUBLE +# define _Mdouble_ long double +# define __MATH_DECLARING_DOUBLE 0 +# define __MATH_DECLARING_LDOUBLE 1 +# define _MSUF_ l +# include <bits/math-finite.h> +# undef _Mdouble_ +# undef __MATH_DECLARING_DOUBLE +# undef __MATH_DECLARING_LDOUBLE +# undef _MSUF_ +# endif + +# endif /* __USE_ISOC99. */ +#endif /* __FINITE_MATH_ONLY__ > 0. */ #ifdef __USE_ISOC99 /* If we've still got undefined comparison macros, provide defaults. */ |