fir_fund.cpp

Digital filter designer s handbook C++ code source

 //-----------------------------------------------------------------
 //  file = fir_fund.cpp
 //
 //  Program for Frequency-Sampled FIR Filters
 //
 //-----------------------------------------------------------------
 #include <stdlib.h> 
 #include <iostream.h> 
 #include "misdefs.h"
 #include "typedefs.h" 
 #include "firideal.h"
 #include "fir_dsgn.h"
 #include "fir_resp.h"
 #include "lin_resp.h"

 ofstream LogFile("fir_fund.log", ios::out);
 ofstream DebugFile("fir_fund.out", ios::out);
 ofstream ResponseFile("fir_resp.txt", ios::out);

 main()
 {
  FirIdealFilter *filter_design;
  FirFilterResponse *filter_response;
 
  filter_design = new FirIdealFilter( cin, cout );
  
  filter_design->DumpCoefficients(&DebugFile);
  
  
  //filter_response = new FirFilterResponse( filter_design, 
  //                                         cin,
  //                                         cout); 
  
  filter_response = new LinearPhaseFirResponse ( filter_design,
                                                 cin,
                                                 cout);
  filter_response->ComputeMagResp();
  filter_response->DumpMagResp();
  return 0;
 }