i am posting the code below.... please tell me where the error is ..... i am new to codeblocks.... the error comes at swt and iswt function as undefined referrence........
#include <iostream>
#include <fstream>
#include "wavelet2d.h"
#include <vector>
#include <string>
#include <cmath>
using namespace std;
int main() {
cout << "********J- LEVEL DISCRETE WAVELET TRANSFORM IMPLEMENTATION*********" << endl; // prints
cout << "This program accepts signal from the user in a file format " << endl;
cout << "and performs Discrete Wavelet Transform with specified " << endl;
cout << "wavelet. " << endl;
cout << " " << endl;
cout << " The Following Wavelets are in the Database: " << endl;
cout << " haar, db1, db2, db3, db4, db5, db6, db7, db8, db9, db10, " << endl;
cout << " db11, db12, db13, db14, db15. " << endl;
cout << " bior1.1, bio1.3, bior1.5, bior2.2, bior2.4,bior2.6,bior2.8, " << endl;
cout << " bior3.1, bior3.3, bior3.5, bior3.7, bior3.9, bior4.4," << endl;
cout << " bior5.5, bior6.8." << endl;
cout << " coif1, coif2, coif3, coif4, coif5." << endl;
cout << "Please Enter the Wavelet Name at the Prompt( No quotes) :" << endl;
string nm; // nm will store the name of Wavelet Family
cin >> nm;
cout << "Enter the name of signal file at the Prompt eg., signal.txt :" << endl;
char inp[50];
cin >> inp;
vector<double> sig;
ifstream sig_inp(inp);
if ( !sig_inp.good()){
cout << "The File doesn't exist"<< endl;
}
while (sig_inp) {
double temp;
sig_inp >> temp;
sig.push_back(temp);
}
sig.pop_back();
vector<double> original;
original = sig; // Make a copy of the signal if you want to use original signal
// later on. The other option is to use IDWT output as the SWt/ISWT system is
// Perefect Reconstruction system.
cout << "Please Enter the Number of DWT Stages J :" << endl;
int J;
cin >> J ;
vector<double> swt_output;
// perform J-Level DWT
int length;// All coefficients are of same length. Variable "length" returns length
// of coefficients. It is not required for ISWT computations.
swt(sig, J, nm, swt_output, length);
ofstream swtcoeff("swtcoeff.txt");
for (unsigned int i=0; i < swt_output.size(); i++) {
swtcoeff << swt_output[i] << endl;
}
vector<double> iswt_output;
iswt(swt_output,J, nm,iswt_output);
ofstream sig1("recon.txt");
ofstream diff("diff.txt");
cout <<" Recon signal size" << iswt_output.size() << endl;
for (unsigned int i = 0; i < iswt_output.size(); i++){
sig1 << iswt_output[i] << endl;
diff << iswt_output[i] - original[i] << endl;
}
return 0;
}
