math.h ファイルリファレンス

このファイルのソースコードを参照する

マクロ
#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	cosf   cos
#define	sinf   sin
#define	tanf   tan
#define	fabsf   fabs
#define	fmodf   fmod
#define	cbrtf   cbrt
#define	hypotf   hypot
#define	squaref   square
#define	floorf   floor
#define	ceilf   ceil
#define	frexpf   frexp
#define	ldexpf   ldexp
#define	expf   exp
#define	coshf   cosh
#define	sinhf   sinh
#define	tanhf   tanh
#define	acosf   acos
#define	asinf   asin
#define	atanf   atan
#define	atan2f   atan2
#define	logf   log
#define	log10f   log10
#define	powf   pow
#define	isnanf   isnan
#define	isinff   isinf
#define	isfinitef   isfinite
#define	copysignf   copysign
#define	signbitf   signbit
#define	fdimf   fdim
#define	fmaf   fma
#define	fmaxf   fmax
#define	fminf   fmin
#define	truncf   trunc
#define	roundf   round
#define	lroundf   lround
#define	lrintf   lrint

関数
double	cos (double __x)
double	sin (double __x)
double	tan (double __x)
double	fabs (double __x)
double	fmod (double __x, double __y)
double	modf (double __x, double *__iptr)
float	modff (float __x, float *__iptr)
double	sqrt (double __x)
float	sqrtf (float)
double	cbrt (double __x)
double	hypot (double __x, double __y)
double	square (double __x)
double	floor (double __x)
double	ceil (double __x)
double	frexp (double __x, int *__pexp)
double	ldexp (double __x, int __exp)
double	exp (double __x)
double	cosh (double __x)
double	sinh (double __x)
double	tanh (double __x)
double	acos (double __x)
double	asin (double __x)
double	atan (double __x)
double	atan2 (double __y, double __x)
double	log (double __x)
double	log10 (double __x)
double	pow (double __x, double __y)
int	isnan (double __x)
int	isinf (double __x)
static int	isfinite (double __x)
static double	copysign (double __x, double __y)
int	signbit (double __x)
double	fdim (double __x, double __y)
double	fma (double __x, double __y, double __z)
double	fmax (double __x, double __y)
double	fmin (double __x, double __y)
double	trunc (double __x)
double	round (double __x)
long	lround (double __x)
long	lrint (double __x)