calling cern lib complex functions

From: Hongquan Niu (niu@cdfsga.fnal.gov)
Date: Thu Apr 22 1999 - 06:13:44 MEST


Hi, Rooters,

I have three questions:

1. I basicly can follow the example to call CERNLIB routines,
   but now I am dealing with complex type in fortran, for example
   complex*16   wwerf(Z), and I am wondering how should I declare
   wwerf in CERNfunctions.h. 

2. I have a class which has member functions in the format like
   Double_t myclass::funcs(Double_t *x,Double_t *par), I want to 
   have a methord  to draw this function, but since it is not
   pure function, how can I acheive this?

3. Can I include a picture, for example in gif format, in an
   existing canvas? 

Does anyone has any ideas?

Thanks,
Hongquan



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