diff options
Diffstat (limited to 'newlib/libc/include/math.h')
| -rw-r--r-- | newlib/libc/include/math.h | 60 |
1 files changed, 42 insertions, 18 deletions
diff --git a/newlib/libc/include/math.h b/newlib/libc/include/math.h index 63cc99286..f161fe7ba 100644 --- a/newlib/libc/include/math.h +++ b/newlib/libc/include/math.h @@ -1,4 +1,3 @@ - #ifndef _MATH_H_ #define _MATH_H_ @@ -13,13 +12,13 @@ union __dmath __ULong i[2]; double d; }; - + union __fmath { __ULong i[1]; float f; }; - + union __ldmath { __ULong i[4]; @@ -32,23 +31,31 @@ union __ldmath /* gcc >= 3.3 implicitly defines builtins for HUGE_VALx values. */ - #ifndef HUGE_VAL - #define HUGE_VAL (__builtin_huge_val()) - #endif +# ifndef HUGE_VAL +# define HUGE_VAL (__builtin_huge_val()) +# endif - #ifndef HUGE_VALF - #define HUGE_VALF (__builtin_huge_valf()) - #endif +# ifndef HUGE_VALF +# define HUGE_VALF (__builtin_huge_valf()) +# endif - #ifndef HUGE_VALL - #define HUGE_VALL (__builtin_huge_vall()) - #endif +# ifndef HUGE_VALL +# define HUGE_VALL (__builtin_huge_vall()) +# endif + +# ifndef INFINITY +# define INFINITY (__builtin_inff()) +# endif + +# ifndef NAN +# define NAN (__builtin_nanf("")) +# endif #else /* !gcc >= 3.3 */ - /* No builtins. Use floating-point unions instead. Declare as an array - without bounds so no matter what small data support a port and/or - library has, the reference will be via the general method for accessing + /* No builtins. Use floating-point unions instead. Declare as an array + without bounds so no matter what small data support a port and/or + library has, the reference will be via the general method for accessing globals. */ #ifndef HUGE_VAL @@ -118,6 +125,23 @@ typedef double double_t; #define FP_SUBNORMAL 3 #define FP_NORMAL 4 +#ifndef FP_ILOGB0 +# define FP_ILOGB0 (-INT_MAX) +#endif +#ifndef FP_ILOGBNAN +# define FP_ILOGBNAN INT_MAX +#endif + +#ifndef MATH_ERRNO +# define MATH_ERRNO 1 +#endif +#ifndef MATH_ERREXCEPT +# define MATH_ERREXCEPT 2 +#endif +#ifndef math_errhandling +# define math_errhandling MATH_ERRNO +#endif + extern int __isinff (float x); extern int __isinfd (double x); extern int __isnanf (float x); @@ -347,9 +371,9 @@ extern int *__signgam _PARAMS((void)); /* We have a problem when using C++ since `exception' is a reserved name in C++. */ #ifdef __cplusplus -struct __exception +struct __exception #else -struct exception +struct exception #endif { int type; @@ -397,7 +421,7 @@ extern int matherr _PARAMS((struct exception *e)); #define M_SQRT1_2 0.70710678118654752440 #define M_LN2LO 1.9082149292705877000E-10 #define M_LN2HI 6.9314718036912381649E-1 -#define M_SQRT3 1.73205080756887719000 +#define M_SQRT3 1.73205080756887719000 #define M_IVLN10 0.43429448190325182765 /* 1 / log(10) */ #define M_LOG2_E 0.693147180559945309417 #define M_INVLN2 1.4426950408889633870E0 /* 1 / log(2) */ |