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tanh

float tanh ( float x );

Description

Computes the hyperbolic tangent of argument. This functions takes a unitless number as a parameter and returns a unitless number.

Parameters

x

Float to use in computation.

Return value

Returns the hyperbolic tangent of x. If x > 49.9 (approx.), the function returns INF and signals a range error. If x < -49.9 (approx.), the function returns -INF and signals a range error.

Library

MATH.LIB

See also

atan, cosh, sinh, tan