SINH(3) BSD Library Functions Manual SINH(3)NAME
sinh -- hyperbolic sine function
SYNOPSIS
#include <math.h>
double
sinh(double x);
long double
sinhl(long double x);
float
sinhf(float x);
DESCRIPTION
The sinh() function computes the hyperbolic sine of x.
SPECIAL VALUES
sinh(+-0) returns +-0.
sinh(+-infinity) returns +-infinity.
SEE ALSO acos(3), asin(3), atan(3), atan2(3), cos(3), cosh(3), sin(3), tan(3), tanh(3), math(3)STANDARDS
The sinh() function conforms to ISO/IEC 9899:2011.
BSD December 11, 2006 BSD
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SINH(3) Linux Programmer's Manual SINH(3)NAME
sinh, sinhf, sinhl - hyperbolic sine function
SYNOPSIS
#include <math.h>
double sinh(double x);
float sinhf(float x);
long double sinhl(long double x);
Link with -lm.
Feature Test Macro Requirements for glibc (see feature_test_macros(7)):
sinhf(), sinhl(): _BSD_SOURCE || _SVID_SOURCE || _XOPEN_SOURCE >= 600 || _ISOC99_SOURCE; or cc -std=c99
DESCRIPTION
The sinh() function returns the hyperbolic sine of x, which is defined mathematically as:
sinh(x) = (exp(x) - exp(-x)) / 2
RETURN VALUE
On success, these functions return the hyperbolic sine of x.
If x is a NaN, a NaN is returned.
If x is +0 (-0), +0 (-0) is returned.
If x is positive infinity (negative infinity), positive infinity (negative infinity) is returned.
If the result overflows, a range error occurs, and the functions return HUGE_VAL, HUGE_VALF, or HUGE_VALL, respectively, with the same sign
as x.
ERRORS
See math_error(7) for information on how to determine whether an error has occurred when calling these functions.
The following errors can occur:
Range error: result overflow
errno is set to ERANGE. An overflow floating-point exception (FE_OVERFLOW) is raised.
CONFORMING TO
C99, POSIX.1-2001. The variant returning double also conforms to SVr4, 4.3BSD, C89.
SEE ALSO acosh(3), asinh(3), atanh(3), cosh(3), csinh(3), tanh(3)COLOPHON
This page is part of release 3.25 of the Linux man-pages project. A description of the project, and information about reporting bugs, can
be found at http://www.kernel.org/doc/man-pages/.
2008-08-05 SINH(3)