avr-libc  2.1.0
Standard C library for AVR-GCC

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Macros | Functions
math.h File Reference

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Macros

#define M_E   2.7182818284590452354
 
#define M_LOG2E   1.4426950408889634074 /* log_2 e */
 
#define M_LOG10E   0.43429448190325182765 /* log_10 e */
 
#define M_LN2   0.69314718055994530942 /* log_e 2 */
 
#define M_LN10   2.30258509299404568402 /* log_e 10 */
 
#define M_PI   3.14159265358979323846 /* pi */
 
#define M_PI_2   1.57079632679489661923 /* pi/2 */
 
#define M_PI_4   0.78539816339744830962 /* pi/4 */
 
#define M_1_PI   0.31830988618379067154 /* 1/pi */
 
#define M_2_PI   0.63661977236758134308 /* 2/pi */
 
#define M_2_SQRTPI   1.12837916709551257390 /* 2/sqrt(pi) */
 
#define M_SQRT2   1.41421356237309504880 /* sqrt(2) */
 
#define M_SQRT1_2   0.70710678118654752440 /* 1/sqrt(2) */
 
#define NAN   __builtin_nan("")
 
#define INFINITY   __builtin_inf()
 
#define __ASM_ALIAS(x)   __asm(#x)
 

Functions

float cosf (float __x)
 
double cos (double __x) __ASM_ALIAS(cosf)
 
float sinf (float __x)
 
double sin (double __x) __ASM_ALIAS(sinf)
 
float tanf (float __x)
 
double tan (double __x) __ASM_ALIAS(tanf)
 
static float fabsf (float __x)
 
static double fabs (double __x)
 
float fmodf (float __x, float __y)
 
double fmod (double __x, double __y) __ASM_ALIAS(fmodf)
 
float modff (float __x, float *__iptr)
 
double modf (double __x, double *__iptr) __ASM_ALIAS(modff)
 
float sqrtf (float __x)
 
double sqrt (double __x) __ASM_ALIAS(sqrtf)
 
float cbrtf (float __x)
 
double cbrt (double __x) __ASM_ALIAS(cbrtf)
 
float hypotf (float __x, float __y)
 
double hypot (double __x, double __y) __ASM_ALIAS(hypotf)
 
float squaref (float __x)
 
double square (double __x) __ASM_ALIAS(squaref)
 
float floorf (float __x)
 
double floor (double __x) __ASM_ALIAS(floorf)
 
float ceilf (float __x)
 
double ceil (double __x) __ASM_ALIAS(ceilf)
 
float frexpf (float __x, int *__pexp)
 
double frexp (double __x, int *__pexp) __ASM_ALIAS(frexpf)
 
float ldexpf (float __x, int __exp)
 
double ldexp (double __x, int __exp) __ASM_ALIAS(ldexpf)
 
float expf (float __x)
 
double exp (double __x) __ASM_ALIAS(expf)
 
float coshf (float __x)
 
double cosh (double __x) __ASM_ALIAS(coshf)
 
float sinhf (float __x)
 
double sinh (double __x) __ASM_ALIAS(sinhf)
 
float tanhf (float __x)
 
double tanh (double __x) __ASM_ALIAS(tanhf)
 
float acosf (float __x)
 
double acos (double __x) __ASM_ALIAS(acosf)
 
float asinf (float __x)
 
double asin (double __x) __ASM_ALIAS(asinf)
 
float atanf (float __x)
 
double atan (double __x) __ASM_ALIAS(atanf)
 
float atan2f (float __y, float __x)
 
double atan2 (double __y, double __x) __ASM_ALIAS(atan2f)
 
float logf (float __x)
 
double log (double __x) __ASM_ALIAS(logf)
 
float log10f (float __x)
 
double log10 (double __x) __ASM_ALIAS(log10f)
 
float powf (float __x, float __y)
 
double pow (double __x, double __y) __ASM_ALIAS(powf)
 
int isnanf (float __x)
 
int isnan (double __x) __ASM_ALIAS(isnanf)
 
int isinff (float __x)
 
int isinf (double __x) __ASM_ALIAS(isinff)
 
static int isfinitef (float __x)
 
static int isfinite (double __x)
 
static float copysignf (float __x, float __y)
 
static double copysign (double __x, double __y)
 
int signbitf (float __x)
 
int signbit (double __x) __ASM_ALIAS(signbitf)
 
float fdimf (float __x, float __y)
 
double fdim (double __x, double __y) __ASM_ALIAS(fdimf)
 
float fmaf (float __x, float __y, float __z)
 
double fma (double __x, double __y, double __z) __ASM_ALIAS(fmaf)
 
float fmaxf (float __x, float __y)
 
double fmax (double __x, double __y) __ASM_ALIAS(fmaxf)
 
float fminf (float __x, float __y)
 
double fmin (double __x, double __y) __ASM_ALIAS(fminf)
 
float truncf (float __x)
 
double trunc (double __x) __ASM_ALIAS(truncf)
 
float roundf (float __x)
 
double round (double __x) __ASM_ALIAS(roundf)
 
long lroundf (float __x)
 
long lround (double __x) __ASM_ALIAS(lroundf)
 
long lrintf (float __x)
 
long lrint (double __x) __ASM_ALIAS(lrintf)