Node: ATan Intrinsic, Next: ATan2 Intrinsic, Previous: Associated Intrinsic, Up: Table of Intrinsic Functions
ATan(X)
ATan: REAL function, the KIND= value of the type being that of argument X.
X: REAL; scalar; INTENT(IN).
Intrinsic groups: (standard FORTRAN 77).
Description:
Returns the arc-tangent (inverse tangent) of X in radians.
See Tan Intrinsic, for the inverse of this function.