diff options
Diffstat (limited to 'newlib/libc/include')
| -rw-r--r-- | newlib/libc/include/machine/ieeefp.h | 7 | ||||
| -rw-r--r-- | newlib/libc/include/math.h | 69 | ||||
| -rw-r--r-- | newlib/libc/include/stdlib.h | 7 |
3 files changed, 82 insertions, 1 deletions
diff --git a/newlib/libc/include/machine/ieeefp.h b/newlib/libc/include/machine/ieeefp.h index b3c793741..bbbec5473 100644 --- a/newlib/libc/include/machine/ieeefp.h +++ b/newlib/libc/include/machine/ieeefp.h @@ -331,3 +331,10 @@ #endif /* not __IEEE_LITTLE_ENDIAN */ #endif /* not __IEEE_BIG_ENDIAN */ +/* Check if long double is as wide as double. */ +#if (!defined(__STRICT_ANSI__) || __STDC_VERSION__ > 199901L || \ + defined(__cplusplus)) && defined(LDBL_MANT_DIG) && \ + (DBL_MANT_DIG == LDBL_MANT_DIG && LDBL_MIN_EXP == DBL_MIN_EXP && \ + LDBL_MAX_EXP == DBL_MAX_EXP) + #define _LDBL_EQ_DBL +#endif diff --git a/newlib/libc/include/math.h b/newlib/libc/include/math.h index 5125d009f..95f0e216b 100644 --- a/newlib/libc/include/math.h +++ b/newlib/libc/include/math.h @@ -334,12 +334,79 @@ extern float log2f _PARAMS((float)); extern float hypotf _PARAMS((float, float)); #endif /* ! defined (_REENT_ONLY) */ -/* Other long double precision functions. */ +/* On platforms where long double is as wide as double. */ +#ifdef _LDBL_EQ_DBL +/* Reentrant ANSI C functions. */ +#ifndef __math_68881 +extern long double atanl _PARAMS((long double)); +extern long double cosl _PARAMS((long double)); +extern long double sinl _PARAMS((long double)); +extern long double tanl _PARAMS((long double)); +extern long double tanhl _PARAMS((long double)); +extern long double frexpl _PARAMS((long double value, int *)); +extern long double modfl _PARAMS((long double, long double *)); +extern long double ceill _PARAMS((long double)); +extern long double fabsl _PARAMS((long double)); +extern long double floorl _PARAMS((long double)); +extern long double log1pl _PARAMS((long double)); +extern long double expm1l _PARAMS((long double)); +#endif /* ! defined (__math_68881) */ +/* Non reentrant ANSI C functions. */ +#ifndef _REENT_ONLY +#ifndef __math_68881 +extern long double acosl _PARAMS((long double)); +extern long double asinl _PARAMS((long double)); +extern long double atan2l _PARAMS((long double, long double)); +extern long double coshl _PARAMS((long double)); +extern long double sinhl _PARAMS((long double)); +extern long double expl _PARAMS((long double)); +extern long double ldexpl _PARAMS((long double, int)); +extern long double logl _PARAMS((long double)); +extern long double log10l _PARAMS((long double)); +extern long double powl _PARAMS((long double, long double)); +extern long double sqrtl _PARAMS((long double)); +extern long double fmodl _PARAMS((long double, long double)); +extern long double hypotl _PARAMS((long double, long double)); +#endif /* ! defined (__math_68881) */ +#endif /* ! defined (_REENT_ONLY) */ +extern long double copysignl _PARAMS((long double, long double)); +extern long double nanl _PARAMS((const char *)); +extern int ilogbl _PARAMS((long double)); +extern long double asinhl _PARAMS((long double)); +extern long double cbrtl _PARAMS((long double)); +extern long double nextafterl _PARAMS((long double, long double)); +extern long double rintl _PARAMS((long double)); +extern long double scalbnl _PARAMS((long double, int)); +extern long double exp2l _PARAMS((long double)); +extern long double scalblnl _PARAMS((long double, long)); +extern long double tgammal _PARAMS((long double)); +extern long double nearbyintl _PARAMS((long double)); +extern long int lrintl _PARAMS((long double)); +extern long double roundl _PARAMS((long double)); +extern long lroundl _PARAMS((long double)); +extern _LONG_LONG_TYPE int llroundl _PARAMS((long double)); +extern long double truncl _PARAMS((long double)); +extern long double remquol _PARAMS((long double, long double, int *)); +extern long double fdiml _PARAMS((long double, long double)); +extern long double fmaxl _PARAMS((long double, long double)); +extern long double fminl _PARAMS((long double, long double)); +extern long double fmal _PARAMS((long double, long double, long double)); +#ifndef _REENT_ONLY +extern long double acoshl _PARAMS((long double)); +extern long double atanhl _PARAMS((long double)); +extern long double remainderl _PARAMS((long double, long double)); +extern long double lgammal _PARAMS((long double)); +extern long double erfl _PARAMS((long double)); +extern long double erfcl _PARAMS((long double)); +#endif /* ! defined (_REENT_ONLY) */ +#else /* !_LDBL_EQ_DBL */ #ifdef __i386__ +/* Other long double precision functions. */ extern _LONG_DOUBLE rintl _PARAMS((_LONG_DOUBLE)); extern long int lrintl _PARAMS((_LONG_DOUBLE)); extern _LONG_LONG_TYPE llrintl _PARAMS((_LONG_DOUBLE)); #endif /* __i386__ */ +#endif /* !_LDBL_EQ_DBL */ #endif /* !defined (__STRICT_ANSI__) || defined(__cplusplus) || __STDC_VERSION__ >= 199901L */ diff --git a/newlib/libc/include/stdlib.h b/newlib/libc/include/stdlib.h index e14186586..8f64f09c5 100644 --- a/newlib/libc/include/stdlib.h +++ b/newlib/libc/include/stdlib.h @@ -7,6 +7,7 @@ #ifndef _STDLIB_H_ #define _STDLIB_H_ +#include <machine/ieeefp.h> #include "_ansi.h" #define __need_size_t @@ -198,6 +199,12 @@ int _EXFUN(_system_r,(struct _reent *, const char *)); _VOID _EXFUN(__eprintf,(const char *, const char *, unsigned int, const char *)); +/* On platforms where long double is as wide as double. */ +#ifdef _LDBL_EQ_DBL +extern long double strtold (const char *, char **); +extern long double wcstold (const wchar_t *, wchar_t **); +#endif /* LDBL_EQ_DBL */ + _END_STD_C #endif /* _STDLIB_H_ */ |