tanh, tanhf - hyperbolic tangent functions

CONTENTS

Library
Synopsis
Description
Return Values
See Also
Standards

.Lb libm

.In math.h double tanh double x float tanhf float x

The tanh and the tanhf functions compute the hyperbolic tangent of x. For a discussion of error due to roundoff, see math(3).

The tanh and the tanhf functions return the hyperbolic tangent value.

acos(3), asin(3), atan(3), atan2(3), cos(3), cosh(3), math(3), sin(3), sinh(3), tan(3)

The tanh function conforms to -isoC.

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