diff options
Diffstat (limited to 'newlib/libc/include')
| -rw-r--r-- | newlib/libc/include/math.h | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/newlib/libc/include/math.h b/newlib/libc/include/math.h index 0b9ef594e..ba156e47e 100644 --- a/newlib/libc/include/math.h +++ b/newlib/libc/include/math.h @@ -66,6 +66,57 @@ extern double fmod _PARAMS((double, double)); #ifndef __STRICT_ANSI__ +/* ISO C99 types and macros. */ + +#ifndef FLT_EVAL_METHOD +#define FLT_EVAL_METHOD 0 +typedef float float_t; +typedef double double_t; +#endif /* FLT_EVAL_METHOD */ + +#define FP_NAN 0 +#define FP_INFINITE 1 +#define FP_ZERO 2 +#define FP_SUBNORMAL 3 +#define FP_NORMAL 4 + +extern int __fpclassifyf (float x); +extern int __fpclassifyd (double x); + +#define fpclassify(x) \ + (__extension__ ({__typeof__(x) __x = (x); \ + (sizeof (__x) == sizeof (float)) ? __fpclassifyf(__x) : __fpclassifyd(__x);})) + +#define isfinite(x) \ + (__extension__ ({__typeof__(x) __x = (x); \ + fpclassify(__x) != FP_INFINITE && fpclassify(__x) != FP_NAN;})) +#define isnormal(x) \ + (__extension__ ({__typeof__(x) __x = (x); \ + fpclassify(__x) == FP_NORMAL;})) +#define signbit(x) \ + (__extension__ ({__typeof__(x) __x = (x); \ + (sizeof(__x) == sizeof(float)) ? __signbitf(__x) : __signbitd(__x);})) + +#define isgreater(x,y) \ + (__extension__ ({__typeof__(x) __x = (x); __typeof__(y) __y = (y); \ + !isunordered(__x,__y) && (__x > __y);})) +#define isgreaterequal(x,y) \ + (__extension__ ({__typeof__(x) __x = (x); __typeof__(y) __y = (y); \ + !isunordered(__x,__y) && (__x >= __y);})) +#define isless(x,y) \ + (__extension__ ({__typeof__(x) __x = (x); __typeof__(y) __y = (y); \ + !isunordered(__x,__y) && (__x < __y);})) +#define islessequal(x,y) \ + (__extension__ ({__typeof__(x) __x = (x); __typeof__(y) __y = (y); \ + !isunordered(__x,__y) && (__x <= __y);})) +#define islessgreater(x,y) \ + (__extension__ ({__typeof__(x) __x = (x); __typeof__(y) __y = (y); \ + !isunordered(__x,__y) && (__x < __y || __x > __y);})) + +#define isunordered(x,y) \ + (__extension__ ({__typeof__(x) __x = (x); __typeof__(y) __y = (y); \ + fpclassify(__x) == FP_NAN || fpclassify(__y) == FP_NAN;})) + /* Non ANSI double precision functions. */ extern double infinity _PARAMS((void)); @@ -82,6 +133,21 @@ extern double nextafter _PARAMS((double, double)); extern double rint _PARAMS((double)); extern double scalbn _PARAMS((double, int)); +extern double exp2 _PARAMS((double)); +extern double scalbln _PARAMS((double, long int)); +extern double tgamma _PARAMS((double)); +extern double nearbyint _PARAMS((double)); +extern long int lrint _PARAMS((double)); +extern double round _PARAMS((double)); +extern long int lround _PARAMS((double)); +extern double trunc _PARAMS((double)); +extern double remquo _PARAMS((double, double, int *)); +extern double copysign _PARAMS((double, double)); +extern double fdim _PARAMS((double, double)); +extern double fmax _PARAMS((double, double)); +extern double fmin _PARAMS((double, double)); +extern double fma _PARAMS((double, double, double)); + #ifndef __math_68881 extern double log1p _PARAMS((double)); extern double expm1 _PARAMS((double)); @@ -152,6 +218,21 @@ extern float fmodf _PARAMS((float, float)); /* Other single precision functions. */ +extern float exp2f _PARAMS((float)); +extern float scalblnf _PARAMS((float, long int)); +extern float tgammaf _PARAMS((float)); +extern float nearbyintf _PARAMS((float)); +extern long int lrintf _PARAMS((float)); +extern float roundf _PARAMS((float)); +extern long int lroundf _PARAMS((float)); +extern float truncf _PARAMS((float)); +extern float remquof _PARAMS((float, float, int *)); +extern float copysignf _PARAMS((float, float)); +extern float fdimf _PARAMS((float, float)); +extern float fmaxf _PARAMS((float, float)); +extern float fminf _PARAMS((float, float)); +extern float fmaf _PARAMS((float, float, float)); + extern float infinityf _PARAMS((void)); extern float nanf _PARAMS((void)); extern int isnanf _PARAMS((float)); |