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tanh (Rev #1, changes)

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Description

tanh(x) computes the hyperbolic tangent of x.

Standard

Fortran 77 and later

Class

Elemental function

Syntax

x = tanh(x)

Arguments

• x - The type shall be real.

Return value

The return value is of type real and lies in the range - 1 \\leq tanh(x) \\leq 1.

Example

program test_tanh
 real(8) :: x = 2.1_8
 x = tanh(x)
end program test_tanh

See also

atanh

Revision from April 26, 2009 19:29:34 by Jason Blevins

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