7.64 TAN — Tangent function

Description:

TAN(X) computes the tangent of X.

Option:

f95, gnu

Class:

elemental function

Syntax:

X = TAN(X)

Arguments:

X	The type shall be REAL(*).

Return value:

The return value is of type REAL(*). The kind type parameter is the same as X.

Example:

          program test_tan
            real(8) :: x = 0.165_8
            x = tan(x)
          end program test_tan
     

Specific names:

Name	Argument	Return type	Option
DTAN(X)	REAL(8) X	REAL(8)	f95, gnu