## 9.3.155 TANH (X)

Description: | Produces a hyperbolic tangent.
Class: | Elemental function; Generic
Arguments: | X must be of type real.
Results: | The result type is the same as X.

Specific Name | Argument Type | Result Type
--- | --- | ---
TANH | REAL(4) | REAL(4)
DTANH | REAL(8) | REAL(8)
QTANH | REAL(16) | REAL(16)

Examples

TANH (2.0) has the value 0.9640276.

TANH (0.8) has the value 0.6640368.

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