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C++ ISSUE HELP NEEDED

AMBILY MOHAN (1)
I wrote a program in C++,while compiling i got the error
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        #include <iostream>
        #include <fstream>
        #include <conio.h>

        #include <vector>
        #include <string>
        #include <cmath>
        #include <ctype.h>
        #include <math.h>
        using namespace std;
        int J=6,s;
         string nm="db10";
        std:: vector<double> sig;
        std:: vector<double> vsag;
        std:: vector<double> dwt_output, flag;
        std:: vector<int> length;
        std:: vector<double> output;
        double q[1200],q1[1200];
         char inp[200000]="H:\\GUI\\simulation\\C-CODE\\vsss\\signal.txt";//voltage
        char inp1[200000]="H:\\GUI\\simulation\\C-CODE\\vsss\\vsag.txt";//voltage sag	//cin >> inp;
        void dwt_sym(<vector>double  ,int,string  ,<vector>double ,<vector> double & ,<vector>int &);
        inline double round(double x)
        {
        return (floor(x+0.5));
        }
        using namespace std;
        int main()
        {

        ;
        ifstream sig_inp(inp);	if ( !sig_inp.good()){	//
        cout << "The File doesn?t exist"<< endl;	}
        while (!sig_inp.eof()) {
        double temp1;
        sig_inp >> temp1;
        sig.push_back(temp1);	}
        sig.pop_back();
        vector<double> original;
        original = sig;
        ifstream vsag_inp1(inp1);

        //cout << "The File doesn?t exist"<< endl;	}
        while (!vsag_inp1.eof()) {
        double temp;
        vsag_inp1 >> temp;
        vsag.push_back(temp);	}
        vsag.pop_back();
        vector<double> original1;
        original1 = vsag;


        //cout << "Please Enter the Number of DWT Stages J :" << endl;


                // perform J-Level DWT
                dwt_sym(vsag, J, nm, dwt_output,flag,length);


        //dwtout << dwt_output[i] << endl;	}
        //Perform J-Level IDWT

        idwt_sym(dwt_output, flag,nm,output,length);
         s=original.size();
        for (unsigned int i = 0; i < s; i++){
        q[i]=original[i]- output[i];}
        //sig2 << output[i] << endl;
        //diff <<original[i]- output[i] << endl;	}
        double q2[1200],qs[1200];
        for (unsigned int i = 0; i < s; i++){
        qs[i]=original[i]- output[i];
         }

        for (unsigned int i = 0; i < s;i++){
        q1[i]=abs(q[i]);
         q2[i]=round(q1[i]);
        }
         int w;
        w=255;
        int j=1;
        int t1;
        while (j<w)	{
        if ((q2[j]==0) && (q2[j+1]>1))
        {
        t1=j;
        break;	}
        j++;
        }
        int start_time;
        start_time=j+1;
        int t2;
        while (j<w)
        {
        if ((q2[j]>0) && (q2[j+1]==0) && (q2[j+1]==0) && (q2[j+2]==0))
        {
        t2=j;
        break;
        }
        j++;
        }
        int end_time;
        end_time=j+1;
        int p;
        double max,q3[1200];	//p=start_time;
        for (int i=0;i<s;i++)
        {
        q3[i]=original1[i];
        }
        max=original[0];
        for (p=start_time;p<end_time;p++)
        {
            if (q3[p]>max)
            max=q3[p];
        }
        return 0;
        }
        void dwt_sym(vector<double> &signal, int J,string nm, vector<double> &dwt_output,
                        vector<double> &flag, vector<int> &length){

            unsigned int temp_len = signal.size();
                if ( (temp_len % 2) != 0) {
                        double temp =signal[temp_len - 1];
                        signal.push_back(temp);
                        flag.push_back(1);
                        temp_len++;
                } else {
                        flag.push_back(0);
                }
                length.push_back(temp_len);
                flag.push_back(double(J));
                // flag[2] contains symmetric extension length


            vector<double> original_copy, appx_sig, det_sig;
            original_copy = signal;


                //  Storing Filter Values for GnuPlot
                     vector<double> lp1,hp1,lp2,hp2;
                     filtcoef(nm,lp1,hp1,lp2,hp2);
                for (int iter = 0; iter < J; iter++) {
                    dwt1_sym(nm,signal, appx_sig, det_sig);
                        dwt_output.insert(dwt_output.begin(),det_sig.begin(),det_sig.end());
                    int l_temp = det_sig.size();
                    length.insert(length.begin(),l_temp);

                    if (iter == J-1 ) {
                        dwt_output.insert(dwt_output.begin(),appx_sig.begin(),appx_sig.end());
                        int l_temp = appx_sig.size();
                        length.insert(length.begin(),l_temp);

                    }

                    signal.clear();
                    signal = appx_sig;
                    appx_sig.clear();
                    det_sig.clear();

                }
                 signal = original_copy;

        return 0;
        }


The following errors occured,how to fix the issues??


../../Desktop/new 1.cpp:21:21: error: variable or field 'dwt_sym' declared void
../../Desktop/new 1.cpp:21:22: error: expected primary-expression before '<' token
../../Desktop/new 1.cpp:21:29: error: missing template arguments before '>' token
../../Desktop/new 1.cpp:21:30: error: expected primary-expression before 'double'
../../Desktop/new 1.cpp:21:39: error: expected primary-expression before 'int'
../../Desktop/new 1.cpp:21:51: error: expected primary-expression before ',' token
../../Desktop/new 1.cpp:21:52: error: expected primary-expression before '<' token
../../Desktop/new 1.cpp:21:59: error: missing template arguments before '>' token
../../Desktop/new 1.cpp:21:60: error: expected primary-expression before 'double'
../../Desktop/new 1.cpp:21:68: error: expected primary-expression before '<' token
../../Desktop/new 1.cpp:21:75: error: missing template arguments before '>' token
../../Desktop/new 1.cpp:21:77: error: expected primary-expression before 'double'
../../Desktop/new 1.cpp:21:87: error: expected primary-expression before '<' token
../../Desktop/new 1.cpp:21:94: error: missing template arguments before '>' token
../../Desktop/new 1.cpp:21:95: error: expected primary-expression before 'int'
../../Desktop/new 1.cpp: In function 'int main()':
../../Desktop/new 1.cpp:56:60: error: 'dwt_sym' was not declared in this scope
Last edited on
Zhuge (4664)
What is up with that function prototype on line 21 (the line the errors are indicating, by the way)?
Albatross (4553)
Line 21: You've got your syntax for your templates wrong. Compare them with the declarations on lines 13 through 17.

-Albatross
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