sinh(3) [debian man page]

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 || _POSIX_C_SOURCE >= 200112L;
	   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 3.44 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/.

								    2010-09-20								   SINH(3)

sinh(3M)						  Mathematical Library Functions						  sinh(3M)

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 TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Interface Stability	     |Standard			   |
       +-----------------------------+-----------------------------+
       |MT-Level		     |MT-Safe			   |
       +-----------------------------+-----------------------------+

SEE ALSO

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

SunOS 5.11							    12 Jul 2006 							  sinh(3M)