auravulpes/FENIX_libc
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organising and adding new function definitions

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Kat R. 2022-05-28 11:33:37 -05:00
parent 9a30139ada
commit 21e945d3ff
1 changed files with 80 additions and 25 deletions
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105
include/math.h
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@ -29,12 +29,41 @@ typedef double double_t;
#define INFINITY (1e5000) #define INFINITY (1e5000)
#define NAN (0.0f / 0.0f) #define NAN (0.0f / 0.0f)
/* iirc, this is how musl does it. */
#define HUGE_VAL INFINITY
#define HUGE_VALF ((float) INFINITY)
#define HUGE_VALL ((long double) INFINITY)
#define M_E 2.718281828
#define M_PI 3.14159265
#define PI 3.14159265
#define M_PI_2 1.5707963268
#define M_PI_4 0.7853981634
#define M_1_PI 0.318309886184
#define M_2_PI 0.636619772368
#define M_2_SQRTPI 1.1283791671
#define M_SQRT2 1.41421856237
#define M_SQRT1_2 0.707106781187
#define M_LOG2E 1.44269504089
#define M_LOG10E 0.4342944819
#define M_LN2 0.69314718056
#define M_LN10 2.302585093
#define MATH_ERRNO 1
#define MATH_ERREXCEPT 2
#define math_errhandling MATH_ERRNO
#define FP_ILOGB0 INT_MIN
#define FP_ILOGBNAN INT_MAX
#define FP_INFINITE 1 #define FP_INFINITE 1
#define FP_NAN 2 #define FP_NAN 2
#define FP_NORMAL 3 #define FP_NORMAL 3
#define FP_SUBNORMAL 4 #define FP_SUBNORMAL 4
#define FP_ZERO 0 #define FP_ZERO 0
/* Classification Macros 7.12.3 */
int __fpclassifyd(double x); int __fpclassifyd(double x);
int __fpclassifyf(float x); int __fpclassifyf(float x);
int __fpclassifyl(long double x); int __fpclassifyl(long double x);
@ -63,27 +92,7 @@ int __signbitl(long double x);
(sizeof(x) == sizeof(double)) ? __signbitd(x) : \ (sizeof(x) == sizeof(double)) ? __signbitd(x) : \
__signbitl(x)) __signbitl(x))
#define M_E 2.718281828 /* Trigonometric Functions (ISO C Std. 7.12.4) */
#define M_PI 3.14159265
#define PI 3.14159265
#define M_PI_2 1.5707963268
#define M_PI_4 0.7853981634
#define M_1_PI 0.318309886184
#define M_2_PI 0.636619772368
#define M_2_SQRTPI 1.1283791671
#define M_SQRT2 1.41421856237
#define M_SQRT1_2 0.707106781187
#define M_LOG2E 1.44269504089
#define M_LOG10E 0.4342944819
#define M_LN2 0.69314718056
#define M_LN10 2.302585093
#define MATH_ERRNO 1
#define MATH_ERREXCEPT 2
#define math_errhandling MATH_ERRNO
#define FP_ILOGB0 INT_MIN
#define FP_ILOGBNAN INT_MAX
double acos(double); double acos(double);
float acosf(float); float acosf(float);
@ -113,6 +122,8 @@ double tan(double);
float tanf(float); float tanf(float);
long double tanl(long double); long double tanl(long double);
/* Hyperbolic Functions (ISO C Std. 7.12.5) */
double acosh(double); double acosh(double);
float acoshf(float); float acoshf(float);
long double acoshl(long double); long double acoshl(long double);
@ -137,21 +148,65 @@ double tanh(double);
float tanhf(float); float tanhf(float);
long double tanhl(long double); long double tanhl(long double);
/* Exponential and Logarithmic Functions (ISO C Std. 7.12.6) */
double exp(double); double exp(double);
float expf(float); float expf(float);
long double expl(double); long double expl(long double);
double exp2(double); double exp2(double);
float exp2f(float); float exp2f(float);
long double exp2l(double); long double exp2l(long double);
double expm1(double); double expm1(double);
float expm1f(float); float expm1f(float);
long double expm1l(double); long double expm1l(long double);
double frexp(double, int *); double frexp(double, int *);
float frexpf(float, int *); float frexpf(float, int *);
long double frexpl(double, int *); long double frexpl(long double, int *);
int ilogb(double);
int ilogbf(float);
int ilogbl(long double);
double ldexp(double, int);
float ldexpf(float, int);
long double ldexpl(long double, int);
double log(double);
float logf(float);
long double logl(long double);
double log10(double);
float log10f(float);
long double log10l(long double);
double log1p(double);
float log1pf(float);
long double log1pl(long double);
double log2(double);
float log2f(float);
long double log2l(long double);
double logb(double);
float logbf(float);
long double logbl(long double);
double modf(double, double *);
float modff(float, float *);
long double modfl(long double, long double *);
double scalbn(double, int);
float scalbnf(float, int);
long double scalbnl(long double, int);
double scalbln(double, long);
float scalblnf(float, long);
long double scalblnl(long double, long);
/* Power and Absolute Value Functions (ISO C Std. 7.12.7) */
double fabs(double); double fabs(double);
float fabsf(float); float fabsf(float);