PGI Fortran Reference manual - The Portland Group

Fortran Intrinsics6.5. ASSOCIATEDDetermines the association status of the supplied argument or determines if the supplied pointer isassociated with the supplied target.F90SynopsisASSOCIATED(POINTER [,TARGET])ArgumentsThe POINTER argument is a pointer of any type. The optional argument TARGET is a pointer ora target. If it is a pointer it must not be undefined.Return ValueIf TARGET is not supplied the function returns logical true if POINTER is associated with atarget and false otherwise.If TARGET is present and is a target, then the function returns true if POINTER is associatedwith TARGET and false otherwise.If TARGET is present and is a pointer, then the function returns true if POINTER and TARGETare associated with the same target and false otherwise.6.6. ATAN2DReturn the arctangent (in degrees) of the specified value.F77SynopsisATAN2D(Y, X)ArgumentsThe arguments X and Y must be of type real.PGI Fortran Reference Guide 102