ERFDIF

R*4 FUNCT 2 args, 23 executable stmts in /Users/john/Dropbox (Polyhedron Solutions)/Work/AERMOD/ERFDIF.f90,0000002,0000061

ERFDIF	CALLed by	FRGAUSS
	CALLs to	ABS ERF ERFC
	Chng COMMON	**NOTHING**
	Uses COMMON	**NOTHING**
	Chng MODULE	**NOTHING**
	Uses MODULE	**NOTHING**
	Uses Argument	X1 X2
	Chng Argument	**NOTHING**
	Uses PARAMETER	**NOTHING**
	Local Var	ERFCX1 ERFCX2 ISIGN XTEST XX1 XX2

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GXCHK Version 7.50ME executed at 21:26 on 17 Mar 2021