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

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