TAN — Tangent function

TAN(X) computes the tangent of X.

RESULT = TAN(X)

X The type shall be REAL or COMPLEX.

The return value has same type and kind as X.



program test_tan

  real(8) :: x = 0.165_8

  x = tan(x)

end program test_tan

Name Argument Return type Standard
TAN(X) REAL(4) X REAL(4) Fortran 95 and later
DTAN(X) REAL(8) X REAL(8) Fortran 95 and later

Fortran 77 and later, for a complex argument Fortran 2008 or later

Elemental function