diff options
Diffstat (limited to 'include/math.h')
| -rw-r--r-- | include/math.h | 457 |
1 files changed, 218 insertions, 239 deletions
diff --git a/include/math.h b/include/math.h index a3069c828..3563c908f 100644 --- a/include/math.h +++ b/include/math.h @@ -54,19 +54,6 @@ #include <features.h> -#ifndef __UCLIBC_HAS_FLOATS__ - #define float int -#endif -#ifndef __UCLIBC_HAS_DOUBLE__ - #define double int -#endif -#ifndef __UCLIBC_HAS_LONG_DOUBLE__ - #define long - #ifndef double - # define double int - #endif -#endif - /* Type of computer arithmetic */ /* PDP-11, Pro350, VAX: @@ -168,19 +155,23 @@ #define ERANGE 34 /* Complex numeral. */ +#ifdef __UCLIBC_HAS_DOUBLE__ typedef struct { double r; double i; } cmplx; +#endif +#ifdef __UCLIBC_HAS_FLOATS__ typedef struct { float r; float i; } cmplxf; +#endif -#ifdef HAVE_LONG_DOUBLE +#ifdef __UCLIBC_HAS_LONG_DOUBLE__ /* Long double complex numeral. */ typedef struct { @@ -262,45 +253,47 @@ enum }; /* Return number of classification appropriate for X. */ -# ifdef __NO_LONG_DOUBLE_MATH -# define fpclassify(x) \ - (sizeof (x) == sizeof (float) ? __fpclassifyf (x) : __fpclassify (x)) -# else +#ifdef __UCLIBC_HAS_DOUBLE__ # define fpclassify(x) \ (sizeof (x) == sizeof (float) ? \ __fpclassifyf (x) \ : sizeof (x) == sizeof (double) ? \ __fpclassify (x) : __fpclassifyl (x)) -# endif +#else +# define fpclassify(x) \ + (sizeof (x) == sizeof (float) ? __fpclassifyf (x) : __fpclassify (x)) +#endif -/* Return nonzero value if sign of X is negative. */ -int signbit(double x); -int signbitl(long double x); +#ifdef __UCLIBC_HAS_DOUBLE__ +/* Return nonzero value if sign of X is negative. */ +extern int signbit(double x); /* Return nonzero value if X is not +-Inf or NaN. */ -int isfinite(double x); -int isfinitel(long double x); - +extern int isfinite(double x); /* Return nonzero value if X is neither zero, subnormal, Inf, nor NaN. */ # define isnormal(x) (fpclassify (x) == FP_NORMAL) - /* Return nonzero value if X is a NaN */ -int isnan(double x); -int isnanl(long double x); - -/* Return nonzero value is X is positive or negative infinity. */ -# ifdef __NO_LONG_DOUBLE_MATH -# define isinf(x) \ - (sizeof (x) == sizeof (float) ? __isinff (x) : __isinf (x)) -# else -# define isinf(x) \ +extern int isnan(double x); +#define isinf(x) \ (sizeof (x) == sizeof (float) ? \ __isinff (x) \ : sizeof (x) == sizeof (double) ? \ __isinf (x) : __isinfl (x)) +# else +# define isinf(x) \ + (sizeof (x) == sizeof (float) ? __isinff (x) : __isinf (x)) # endif +# ifdef __UCLIBC_HAS_LONG_DOUBLE__ +/* Return nonzero value if sign of X is negative. */ +extern int signbitl(long double x); +/* Return nonzero value if X is not +-Inf or NaN. */ +extern int isfinitel(long double x); +/* Return nonzero value if X is a NaN */ +extern int isnanl(long double x); +#endif + /* Some useful constants. */ #if defined __USE_BSD || defined __USE_XOPEN @@ -336,239 +329,237 @@ int isnanl(long double x); - +#ifdef __UCLIBC_HAS_DOUBLE__ /* 7.12.4 Trigonometric functions */ extern double acos(double x); -extern float acosf(float x); -extern long double acosl(long double x); - extern double asin(double x); -extern float asinf(float x); -extern long double asinl(long double x); - extern double atan(double x); -extern float atanf(float x); -extern long double atanl(long double x); - -double atan2(double y, double x); -float atan2f(float y, float x); -long double atan2l(long double y, long double x); +extern double atan2(double y, double x); +extern double cos(double x); +extern double sin(double x); +extern double tan(double x); -double cos(double x); -float cosf(float x); -long double cosl(long double x); +/* 7.12.5 Hyperbolic functions */ +extern double acosh(double x); +extern double asinh(double x); +extern double atanh(double x); +extern double cosh(double x); +extern double sinh(double x); +extern double tanh(double x); -double sin(double x); -float sinf(float x); -long double sinl(long double x); +/* 7.12.6 Exponential and logarithmic functions */ +extern double exp(double x); +extern double exp2(double x); +extern double expm1(double x); +extern double frexp(double value, int *exp); +extern int ilogb(double x); +extern double ldexp(double x, int exp); +extern double log(double x); +extern double log10(double x); +extern double log1p(double x); +extern double log2(double x); +extern double logb(double x); +extern double modf(double value, double *iptr); +extern double scalbn(double x, int n); +extern double scalbln(double x, long int n); -double tan(double x); -float tanf(float x); -long double tanl(long double x); +/* 7.12.7 Power and absolute-value functions */ +extern double fabs(double x); +extern double hypot(double x, double y); +extern double pow(double x, double y); +extern double sqrt(double x); +/* 7.12.8 Error and gamma functions */ +extern double erf(double x); +extern double erfc(double x); +extern double lgamma(double x); +extern double tgamma(double x); -/* 7.12.5 Hyperbolic functions */ -double acosh(double x); -float acoshf(float x); -long double acoshl(long double x); +/* 7.12.9 Nearest integer functions */ +extern double ceil(double x); +extern double floor(double x); +extern double nearbyint(double x); +extern double rint(double x); +extern long int lrint(double x); +extern long long int llrint(double x); +extern double round(double x); +extern long int lround(double x); +extern long long int llround(double x); +extern double trunc(double x); -double asinh(double x); -float asinhf(float x); -long double asinhl(long double x); +/* 7.12.10 Remainder functions */ +extern double fmod(double x, double y); +extern double remainder(double x, double y); +extern double remquo(double x, double y, int *quo); -double atanh(double x); -float atanhf(float x); -long double atanhl(long double x); +/* 7.12.11 Manipulation functions */ +extern double copysign(double x, double y); +extern double nan(const char *tagp); +extern double nextafter(double x, double y); -double cosh(double x); -float coshf(float x); -long double coshl(long double x); +/* 7.12.12 Maximum, minimum, and positive difference functions */ +extern double fdim(double x, double y); +extern double fmax(double x, double y); +extern double fmin(double x, double y); -double sinh(double x); -float sinhf(float x); -long double sinhl(long double x); +/* 7.12.13 Floating multiply-add */ +extern double fma(double x, double y, double z); +#endif -double tanh(double x); -float tanhf(float x); -long double tanhl(long double x); +#ifdef __UCLIBC_HAS_FLOATS__ +/* 7.12.4 Trigonometric functions */ +extern float acosf(float x); +extern float asinf(float x); +extern float atanf(float x); +extern float atan2f(float y, float x); +extern float cosf(float x); +extern float sinf(float x); +extern float tanf(float x); +/* 7.12.5 Hyperbolic functions */ +extern float acoshf(float x); +extern float asinhf(float x); +extern float atanhf(float x); +extern float coshf(float x); +extern float sinhf(float x); +extern float tanhf(float x); /* 7.12.6 Exponential and logarithmic functions */ -double exp(double x); -float expf(float x); -long double expl(long double x); - -double exp2(double x); -float exp2f(float x); -long double exp2l(long double x); +extern float expf(float x); +extern float exp2f(float x); +extern float expm1f(float x); +extern float frexpf(float value, int *exp); +extern int ilogbf(float x); +extern float ldexpf(float x, int exp); +extern float logf(float x); +extern float log10f(float x); +extern float log1pf(float x); +extern float log2f(float x); +extern float logbf(float x); +extern float modff(float value, float *iptr); +extern float scalbnf(float x, int n); +extern float scalblnf(float x, long int n); -double expm1(double x); -float expm1f(float x); -long double expm1l(long double x); - -double frexp(double value, int *exp); -float frexpf(float value, int *exp); -long double frexpl(long double value, int *exp); +/* 7.12.7 Power and absolute-value functions */ +extern float fabsf(float x); +extern float hypotf(float x, float y); +extern float powf(float x, float y); +extern float sqrtf(float x); -int ilogb(double x); -int ilogbf(float x); -int ilogbl(long double x); +/* 7.12.8 Error and gamma functions */ +extern float erff(float x); +extern float erfcf(float x); +extern float lgammaf(float x); +extern float tgammaf(float x); -double ldexp(double x, int exp); -float ldexpf(float x, int exp); -long double ldexpl(long double x, int exp); +/* 7.12.9 Nearest integer functions */ +extern float ceilf(float x); +extern float floorf(float x); +extern float nearbyintf(float x); +extern float rintf(float x); +extern long int lrintf(float x); +extern long long int llrintf(float x); +extern float roundf(float x); +extern long int lroundf(float x); +extern long long int llroundf(float x); +extern float truncf(float x); -double log(double x); -float logf(float x); -long double logl(long double x); +/* 7.12.10 Remainder functions */ +extern float fmodf(float x, float y); +extern float remainderf(float x, float y); +extern float remquof(float x, float y, int *quo); -double log10(double x); -float log10f(float x); -long double log10l(long double x); +/* 7.12.11 Manipulation functions */ +extern float copysignf(float x, float y); +extern float nanf(const char *tagp); +extern float nextafterf(float x, float y); -double log1p(double x); -float log1pf(float x); -long double log1pl(long double x); +/* 7.12.12 Maximum, minimum, and positive difference functions */ +extern float fdimf(float x, float y); +extern float fmaxf(float x, float y); +extern float fminf(float x, float y); -double log2(double x); -float log2f(float x); -long double log2l(long double x); +/* 7.12.13 Floating multiply-add */ +extern float fmaf(float x, float y, float z); +#endif -double logb(double x); -float logbf(float x); -long double logbl(long double x); +#ifdef __UCLIBC_HAS_LONG_DOUBLE__ +/* 7.12.4 Trigonometric functions */ +extern long double acosl(long double x); +extern long double asinl(long double x); +extern long double atanl(long double x); +extern long double atan2l(long double y, long double x); +extern long double cosl(long double x); +extern long double sinl(long double x); +extern long double tanl(long double x); -double modf(double value, double *iptr); -float modff(float value, float *iptr); -long double modfl(long double value, long double *iptr); +/* 7.12.5 Hyperbolic functions */ +extern long double acoshl(long double x); +extern long double asinhl(long double x); +extern long double atanhl(long double x); +extern long double coshl(long double x); +extern long double sinhl(long double x); +extern long double tanhl(long double x); -double scalbn(double x, int n); -float scalbnf(float x, int n); -long double scalbnl(long double x, int n); -double scalbln(double x, long int n); -float scalblnf(float x, long int n); -long double scalblnl(long double x, long int n); +/* 7.12.6 Exponential and logarithmic functions */ +extern long double expl(long double x); +extern long double exp2l(long double x); +extern long double expm1l(long double x); +extern long double frexpl(long double value, int *exp); +extern int ilogbl(long double x); +extern long double ldexpl(long double x, int exp); +extern long double logl(long double x); +extern long double log10l(long double x); +extern long double log1pl(long double x); +extern long double log2l(long double x); +extern long double logbl(long double x); +extern long double modfl(long double value, long double *iptr); +extern long double scalbnl(long double x, int n); +extern long double scalblnl(long double x, long int n); /* 7.12.7 Power and absolute-value functions */ -double fabs(double x); -float fabsf(float x); -long double fabsl(long double x); - -double hypot(double x, double y); -float hypotf(float x, float y); -long double hypotl(long double x, long double y); - -double pow(double x, double y); -float powf(float x, float y); -long double powl(long double x, long double y); - -double sqrt(double x); -float sqrtf(float x); -long double sqrtl(long double x); +extern long double fabsl(long double x); +extern long double hypotl(long double x, long double y); +extern long double powl(long double x, long double y); +extern long double sqrtl(long double x); /* 7.12.8 Error and gamma functions */ -double erf(double x); -float erff(float x); -long double erfl(long double x); - -double erfc(double x); -float erfcf(float x); -long double erfcl(long double x); - -double lgamma(double x); -float lgammaf(float x); -long double lgammal(long double x); - -double tgamma(double x); -float tgammaf(float x); -long double tgammal(long double x); +extern long double erfl(long double x); +extern long double erfcl(long double x); +extern long double lgammal(long double x); +extern long double tgammal(long double x); /* 7.12.9 Nearest integer functions */ -double ceil(double x); -float ceilf(float x); -long double ceill(long double x); - -double floor(double x); -float floorf(float x); -long double floorl(long double x); - -double nearbyint(double x); -float nearbyintf(float x); -long double nearbyintl(long double x); - -double rint(double x); -float rintf(float x); -long double rintl(long double x); - -long int lrint(double x); -long int lrintf(float x); -long int lrintl(long double x); -long long int llrint(double x); -long long int llrintf(float x); -long long int llrintl(long double x); - -double round(double x); -float roundf(float x); -long double roundl(long double x); - -long int lround(double x); -long int lroundf(float x); -long int lroundl(long double x); -long long int llround(double x); -long long int llroundf(float x); -long long int llroundl(long double x); - -double trunc(double x); -float truncf(float x); -long double truncl(long double x); +extern long double ceill(long double x); +extern long double floorl(long double x); +extern long double nearbyintl(long double x); +extern long double rintl(long double x); +extern long int lrintl(long double x); +extern long long int llrintl(long double x); +extern long double roundl(long double x); +extern long int lroundl(long double x); +extern long long int llroundl(long double x); +extern long double truncl(long double x); /* 7.12.10 Remainder functions */ -double fmod(double x, double y); -float fmodf(float x, float y); -long double fmodl(long double x, long double y); - -double remainder(double x, double y); -float remainderf(float x, float y); -long double remainderl(long double x, long double y); - -double remquo(double x, double y, int *quo); -float remquof(float x, float y, int *quo); -long double remquol(long double x, long double y, int *quo); +extern long double fmodl(long double x, long double y); +extern long double remainderl(long double x, long double y); +extern long double remquol(long double x, long double y, int *quo); /* 7.12.11 Manipulation functions */ -double copysign(double x, double y); -float copysignf(float x, float y); -long double copysignl(long double x, long double y); - -double nan(const char *tagp); -float nanf(const char *tagp); -long double nanl(const char *tagp); - -double nextafter(double x, double y); -float nextafterf(float x, float y); -long double nextafterl(long double x, long double y); - -double nexttoward(double x, long double y); -float nexttowardf(float x, long double y); -long double nexttowardl(long double x, long double y); +extern long double copysignl(long double x, long double y); +extern long double nanl(const char *tagp); +extern long double nextafterl(long double x, long double y); +extern long double nexttowardl(long double x, long double y); /* 7.12.12 Maximum, minimum, and positive difference functions */ -double fdim(double x, double y); -float fdimf(float x, float y); -long double fdiml(long double x, long double y); - -double fmax(double x, double y); -float fmaxf(float x, float y); -long double fmaxl(long double x, long double y); - -double fmin(double x, double y); -float fminf(float x, float y); -long double fminl(long double x, long double y); +extern long double fdiml(long double x, long double y); +extern long double fmaxl(long double x, long double y); +extern long double fminl(long double x, long double y); /* 7.12.13 Floating multiply-add */ -double fma(double x, double y, double z); -float fmaf(float x, float y, float z); -long double fmal(long double x, long double y, long double z); +extern long double fmal(long double x, long double y, long double z); +#endif /* 7.12.14 Comparison macros */ # ifndef isgreater @@ -619,16 +610,4 @@ long double fmal(long double x, long double y, long double z); # endif -#ifndef __UCLIBC_HAS_FLOATS__ - #undef float -#endif -#ifndef __UCLIBC_HAS_DOUBLE__ - #undef double -#endif -#ifndef __UCLIBC_HAS_LONG_DOUBLE__ - #undef long - #undef double -#endif - - #endif /* math.h */ |