asinh(), asinhf(), asinhl() — Calculate hyperbolic arcsine

Standards

Standards / Extensions	C or C++	Dependencies
XPG4.2 C99 Single UNIX Specification, Version 3 C++ TR1 C99	both

Format

#define _XOPEN_SOURCE_EXTENDED 1
#include <math.h>

double asinh(double x);

C99:

#define _ISOC99_SOURCE
#include <math.h>

float asinhf(float x);
long double asinhl(long double x);

C++ TR1 C99:

#define _TR1_C99
#include <math.h>

float asinh(float x);  
long double asinh(long double x);

General description

The asinh() functions return the hyperbolic arcsine of its argument x.

Note: The following table shows the viable formats for these functions. See IEEE binary floating-point for more information about IEEE Binary Floating-Point.

Function	Hex	IEEE
asinh	X	X
asinhf	X	X
asinhl	X	X

Returned value

asinh() returns the hyperbolic arcsine of its argument x. The function is always successful.

Related information

math.h
acos(), acosf(), acosl() — Calculate arccosine
acosh(), acoshf(), acoshl() — Calculate hyperbolic arccosine
asin(), asinf(), asinl() — Calculate arcsine
atan(), atanf(), atanl(), atan2(), atan2f(), atan2l() — Calculate arctangent
atanh(), atanhf(), atanhl() — Calculate hyperbolic arctangent
cos(), cosf(), cosl() — Calculate cosine
cosh(), coshf(), coshl() — Calculate hyperbolic cosine
sin(), sinf(), sinl() — Calculate sine
sinh(), sinhf(), sinhl() — Calculate hyperbolic sine
tan(), tanf(), tanl() — Calculate tangent
tanh(), tanhf(), tanhl() — Calculate hyperbolic tangent