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tanh(3m) [opensolaris man page]

tanh(3M)						  Mathematical Library Functions						  tanh(3M)

NAME
tanh, tanhf, tanhl - hyperbolic tangent function SYNOPSIS
c99 [ flag... ] file... -lm [ library... ] #include <math.h> double tanh(double x); float tanhf(float x); long double tanhl(long double x); DESCRIPTION
These functions compute the hyperbolic tangent of their argument x. RETURN VALUES
Upon successful completion, these functions return the hyperbolic tangent of x. If x is NaN, a NaN is returned. If x is +-0, x is returned. If x is +-Inf, +-1 is returned. ERRORS
No errors are defined. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Interface Stability |Standard | +-----------------------------+-----------------------------+ |MT-Level |MT-Safe | +-----------------------------+-----------------------------+ SEE ALSO
atanh(3M), isnan(3M), math.h(3HEAD), tan(3M), attributes(5), standards(5) SunOS 5.11 12 Jul 2006 tanh(3M)

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tanh(3M)						  Mathematical Library Functions						  tanh(3M)

NAME
tanh, tanhf, tanhl - hyperbolic tangent function SYNOPSIS
cc [ flag... ] file... -lm [ library... ] #include <math.h> double tanh(double x); float tanhf(float x); long double tanhl(long double x); DESCRIPTION
These functions compute the hyperbolic tangent of their argument x. RETURN VALUES
Upon successful completion, these functions return the hyperbolic tangent of x. If x is NaN, a NaN is returned. If x is +-0, x is returned. If x is +-Inf, +-1 is returned. ERRORS
No errors are defined. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Interface Stability |Standard | +-----------------------------+-----------------------------+ |MT-Level |MT-Safe | +-----------------------------+-----------------------------+ SEE ALSO
atanh(3M), isnan(3M), math.h(3HEAD), tan(3M), attributes(5), standards(5) SunOS 5.10 1 Nov 2003 tanh(3M)
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