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That is incorrect. You are not having compilation errors. You are having linker errors.
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Hello, this is the first time i post on this forum. I am a beginner in C++. I wrote some code in three files (sales.h, saless.cpp and main.cpp) and when i compile the project (I USE DEVC++ compiler in windows 7 32bit) i get the following errors :
[Linker error] undefined reference to `SALES::setSales(SALES::Sales&, double const*, int)' [Linker error] undefined reference to `SALES::setSales(SALES::Sales&, double const*, int)' [Linker error] undefined reference to `SALES::setSales(SALES::Sales&, double const*, int)' [Linker error] undefined reference to `SALES::setSales(SALES::Sales&, double const*, int)' ld returned 1 exit status Here follows my code: sales.h: #ifndef SALES_H #define SALES_H namespace SALES { const int QUARTERS = 4; struct Sales { double sales[QUARTERS]; double average; double max; double min; }; void setSales(Sales & s,const double ar[], int n); void setSales(Sales & s); void showSales(const Sales & s); } #endif saless.cpp: #include <iostream> #include 'sales.h' using namespace SALES; void setSales(Sales & s,const double ar[], int n) { s.average = 0; s.max = 0; s.min = 0; double sum = 0; while(s.sales) { for(int i=0;i<n;i++) {s.sales[i] = ar[i]; if(s.sales[i] > s.max) s.max = s.sales[i]; if(s.sales[i] < s.min) s.min = s.sales[i]; sum += s.sales[i]; } } s.average = sum/n; } void setSales(Sales & s) { s.average = 0; s.max = 0; s.min = 0; double sum = 0; std::cout << 'Please enter the values of sales for each quarter belownn'; for(int i=0;i<4;i++) { std::cout << 'Quarter #' << i+1 << ': '; std::cin >> s.sales[i]; std::cout << 'n'; if(s.sales[i] > s.max) s.max = s.sales[i]; if(s.sales[i] < s.min) s.min = s.sales[i]; sum += s.sales[i]; } s.average = sum/4; }; void showSales(const Sales & s) { int size = sizeof(s.sales)/sizeof(double); for(int i=0;i<size;i++) { std::cout << s.sales[i] << 't'; } std::cout << 'n Max: ' << s.max; std::cout << 'n Min: ' << s.min; std::cout << 'n Average : ' << s.average; }; main.cpp: #include <cstdlib> #include <iostream> #include 'sales.h' //using namespace sales; int main() { SALES::Sales win; SALES::Sales mac; //decalring size of ar[] int n; std::cout << 'Enter the number of quarters you wish to insert (<=4 OR >0): '; std::cin >> n; while(n<=0 || n>4) {std::cout << 'You entered invalid value, please try again!'; std::cin >> n; } //constructing ar[] double ar[n]; std::cout << 'Enter the number of sales for each quarter: '; for(int k=0;k<n;k++) {std::cout << 'nQuarter #' << k+1 << ': '; std::cin >> ar[k]; } //const double sal[n] = ; //calling functions from saless.cpp SALES::setSales(win,ar,n); SALES::setSales(mac); SALES::showSales(win); SALES::showSales(mac); cin.get(); cin.get(); return 0; } Thank you for any suggestions!! I just can't find out why I get this error.help :) Comments are closed.
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