Content-type: text/html Man page of sinh

sinh

Section: Mathematical Library Functions (3M)
Updated: 12 Jul 2006
Index Return to Main Contents
 

NAME

sinh, sinhf, sinhl - hyperbolic sine function  

SYNOPSIS

c99 [ flag... ] file... -lm [ library... ]
#include <math.h>

double sinh(double x);

float sinhf(float x);

long double sinhl(long double x);  

DESCRIPTION

These functions compute the hyperbolic sine of x.  

RETURN VALUES

Upon successful completion, these functions return the hyperbolic sine of x.

If the result would cause an overflow, a range error occurs and ±HUGE_VAL, ±HUGE_VALF, and ±HUGE_VALL (with the same sign as x) is returned as appropriate for the type of the function.

If x is NaN, a NaN is returned.

If x is ±0 or ±Inf, x is returned.

For exceptional cases, matherr(3M) tabulates the values to be returned by acos() as specified by SVID3 and XPG3.  

ERRORS

These functions will fail if:

Range Error The result would cause an overflow.

If the integer expression (math_errhandling & MATH_ERREXCEPT) is non-zero, the overflow floating-point exception is raised.

The asinh() function sets errno to ERANGE if the result would cause an overflow.

 

USAGE

An application wanting to check for exceptions should call feclearexcept(FE_ALL_EXCEPT) before calling these functions. On return, if fetestexcept(FE_INVALID | FE_DIVBYZERO | FE_OVERFLOW | FE_UNDERFLOW) is non-zero, an exception has been raised. An application should either examine the return value or check the floating point exception flags to detect exceptions.

An application can also set errno to 0 before calling asinh(). On return, if errno is non-zero, an error has occurred. The asinhf() and asinhl() functions do not set errno.  

ATTRIBUTES

See attributes(5) for descriptions of the following attributes:

ATTRIBUTE TYPEATTRIBUTE VALUE
Interface StabilityStandard
MT-LevelMT-Safe

 

SEE ALSO

asinh(3M), cosh(3M), feclearexcept(3M), fetestexcept(3M), isnan(3M), math.h(3HEAD), matherr(3M), tanh(3M), attributes(5), standards(5)


 

Index

NAME
SYNOPSIS
DESCRIPTION
RETURN VALUES
ERRORS
USAGE
ATTRIBUTES
SEE ALSO

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Time: 02:39:34 GMT, October 02, 2010