Hi, I try to give to my class an "operator<<" which I can use in root. I follow the advice, i.e. I have friend ostream & operator << ( ostream&, ... ) and in linkdef.h #pragma link C++ function operator << ( ostream &, ... ); But rootcint (run with -T) gives me a strange error: LOADING file=H3VLinkDef.h:H3VLinkDef.h: 1 #ifdef __CINT__ 2 3 #pragma link off all globals; 4 #pragma link off all classes; 5 #pragma link off all functions; 6 7 #pragma link C++ function operator << ( ostream &, const Hep3Vector & ); 8 #pragma link C++ class Hep3Vector; 9 // #pragma link C++ function operator + ( const Hep3Vector & ); 10 11 12 #endif 13 EOF Error: Unexpected EOF G__fgetstream():2 FILE:H3VLinkDef.h LINE:13 Advice: You may need to use +P or -p option EOF EOF EOF EOF EOF EOF EOF EOF EOF Error: Unexpected EOF G__fgetc() FILE:H3VLinkDef.h LINE:13 Advice: You may need to use +P or -p option FILE:H3VLinkDef.h LINE:13 When I try to do the same with "operator+" it seems to work: LOADING file=H3VLinkDef.h:H3VLinkDef.h: 1 #ifdef __CINT__ 2 3 #pragma link off all globals; 4 #pragma link off all classes; 5 #pragma link off all functions; 6 7 //#pragma link C++ function operator << ( ostream &, const Hep3Vector & ); 8 #pragma link C++ class Hep3Vector; 9 #pragma link C++ function operator + ( const Hep3Vector & ); 10 11 12 #endif 13 EOF Any ideas? cheers, Stefan ---Stefan Kluth---------------Lynen Fellow----------------|\--|\------- - LBNL, MS 50A 2160 - phone: +1 510 495 2376 - |/ |/ - - 1 Cyclotron Rd. - fax: +1 510 495 2957 - |\/\|\/\|' - ---Berkeley, CA94720, USA-----e-mail: SKluth@lbl.gov------|/\/|/\/|----
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