asinh(3) [osx man page]
ASINH(3) BSD Library Functions Manual ASINH(3) NAME
asinh -- inverse hyperbolic sine function SYNOPSIS
#include <math.h> double asinh(double x); long double asinhl(long double x); float asinhf(float x); DESCRIPTION
The asinh() function computes the inverse hyperbolic sine of the real argument SPECIAL VALUES
asinh(+-0) returns +-0. asinh(+-infinity) returns +-infinity. VECTOR OPERATIONS
If you need to apply the asinh() function to SIMD vectors or arrays, using the following functions provided by the Accelerate.framework may give significantly better performance: #include <Accelerate/Accelerate.h> vFloat vasinhf(vFloat x); void vvasinhf(float *y, const float *x, const int *n); void vvasinh(double *y, const double *x, const int *n); SEE ALSO
acosh(3), atanh(3), exp(3), math(3) STANDARDS
The asinh() function conforms to ISO/IEC 9899:2011. 4.3 Berkeley Distribution December 11, 2006 4.3 Berkeley Distribution
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ACOSH(3) BSD Library Functions Manual ACOSH(3) NAME
acosh -- inverse hyperbolic cosine function SYNOPSIS
#include <math.h> double acosh(double x); long double acoshl(long double x); float acoshf(float x); DESCRIPTION
The acosh() function computes the principle value of the inverse hyperbolic cosine of x. The result is in the range [0, +infinity]. SPECIAL VALUES
acosh(1) returns +0. acosh(x) returns a NAN and raises the "invalid" floating-point exception for x < 1. acosh(+infinity) returns +infinity. VECTOR OPERATIONS
If you need to apply the acosh() function to SIMD vectors or arrays, using the following functions provided by the Accelerate.framework may give significantly better performance: #include <Accelerate/Accelerate.h> vFloat vacoshf(vFloat x); void vvacoshf(float *y, const float *x, const int *n); void vvacosh(double *y, const double *x, const int *n); SEE ALSO
asinh(3), atanh(3), exp(3), math(3) STANDARDS
The acosh() function conforms to ISO/IEC 9899:2011. HISTORY
The acosh() and acoshf() function appeared in 4.3BSD. 4.3 Berkeley Distribution December 11, 2006 4.3 Berkeley Distribution