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8.266 TAND — Tangent function, degrees ¶

Description:

TAND(X) computes the tangent of X in degrees.

This function is for compatibility only and should be avoided in favor of standard constructs wherever possible.

Standard:

GNU extension, enabled with -fdec-math.

Class:

Elemental function

Syntax:

RESULT = TAND(X)

Arguments:

X	The type shall be REAL or COMPLEX.

Return value:

The return value has same type and kind as X, and its value is in degrees.

Example:

program test_tand
  real(8) :: x = 0.165_8
  x = tand(x)
end program test_tand

Specific names:

Name	Argument	Return type	Standard
TAND(X)	REAL(4) X	REAL(4)	GNU extension
DTAND(X)	REAL(8) X	REAL(8)	GNU extension

See also:

Inverse function:
ATAND — Arctangent function, degrees
Radians function:
TAN — Tangent function