SUBROUTINE  : FPPHIT(m1,m2,i,j,iflag)
 
AUTHOR : I. O. Skillicorn
 
DATE : 31/07/96
 
LANGUAGE : FORTRAN
 
SHORT SUMMARY of PURPOSE:                                                
                                                                                
          Check that d(phi)/dz for planar                                       
          line segment agrees with that from                                    
          planar-based track model                                              
                                                                                
                                                                                
                                                                                
LIST and DESCRIPTION of INPUT VARIABLES/ARGUMENTS:                       
                                                                                
 Planar track segments:                                                         
          NFSEG segments/module                                                 
          Hits                    :- IDGISG                                     
          Parameters(x0,y0,x',y') :- XYDXY in mm                                
          XYDXY has been transfered to SPAR(cms)                                
                                                                                
                                                                                
LIST and DESCRIPTION of OUTPUT VARIABLES/ARGUMENTS:                      
                                                                                
          IFLAG=1 for good link                                                 
                                                                                
                                                                                
 
CALLING TREE from FPPHIT :
 
None
 
FUNCTIONS USED :
 
None
 
KEEP SEQUENCES USED :
 
 FRDIMS FPPRAM FH1WORK FPTVTX FPFVTX FPJPAR                                                                   
 

 
Comments from FPPHIT