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root/group/trunk/mdtools/interface_implementation/TraPPE_ExFF.cpp
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Comparing trunk/mdtools/interface_implementation/TraPPE_ExFF.cpp (file contents):
Revision 136 by mmeineke, Tue Jul 9 18:40:59 2002 UTC vs.
Revision 137 by chuckv, Wed Oct 16 20:02:05 2002 UTC

# Line 18 | Line 18 | TraPPE_ExFF::TraPPE_ExFF(){
18  
19    // generate the force file name
20  
21 +  
22    strcpy( fileName, "TraPPE_Ex.frc" );
23 <
23 >    fprintf( stderr,"Trying to open %s\n", fileName );
24 >  
25    // attempt to open the file in the current directory first.
26    
27    frcFile = fopen( fileName, "r" );
# Line 29 | Line 31 | TraPPE_ExFF::TraPPE_ExFF(){
31      // next see if the force path enviorment variable is set
32      
33      ffPath = getenv( ffPath_env );
34 +    if( ffPath == NULL ) {
35 +      fprintf( stderr,
36 +               "Error opening the force field parameter file: %s\n"
37 +               "Have you tried setting the FORCE_PARAM_PATH environment "
38 +               "vairable?\n",
39 +               fileName );
40 +      exit( 8 );
41 +    }
42 +
43 +
44      strcpy( temp, ffPath );
45      strcat( temp, "/" );
46      strcat( temp, fileName );

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