使用本教程Makefile我想用獨立的編譯構建一個簡單的程序,主要問題是IDE Eclpse Indigo C \ C++(預測)或MinGW I無法編譯這些文件。這是我得到的錯誤是:使用MinGW分別編譯
undefined reference to double getAverage<int, 85u>(int (&) [85u])'
undefined reference to int getMax<int, 85u>(int (&) [85u])'
undefined reference to int getMin<int, 85u>(int (&) [85u])'
undefined reference to void print<int, 85u>(int (&) [85u])'
undefined reference to void sort<int, 85u>(int (&) [85u])'
undefined reference to void print<int, 85u>(int (&) [85u])'
的main.cpp的文件是這樣的:
#include "Tools.h"
#include <iostream>
using namespace std;
int main(int argc,char* argv[])
{
int numbers[] = {1,-2,7,14,5,6,16,8,-2,7,14,5,6,16,8,-2,7,14,5,6,16,8,-2,7,14,5,6,16,8,-2,7,14,5,6,16,8,-2,7,14,5,6,16,8,-2,7,14,5,6,16,8,-2,7,14,5,6,16,8,-2,7,14,5,6,16,8,-2,7,14,5,6,16,8,-2,7,14,5,6,16,8,-2,7,14,5,6,16,8};
cout <<"Average = "<< getAverage(numbers) << endl;
cout <<"Max element = "<< getMax(numbers) << endl;
cout <<"Minimal element = "<< getMin(numbers) << endl;
print(numbers);
sort(numbers);
print(numbers);
return 0;
}
,我有一個文件的Tools.h:
#ifndef TOOLS_H_
#define TOOLS_H_
#include <iostream>
int getBigger(int numberOne,int numberTwo);
template <typename T,size_t N> double getAverage(T (&numbers)[N]);
template <typename T,size_t N> T getMax(T (&numbers)[N]);
template <typename T,size_t N> T getMin(T (&numbers)[N]);
/**
* Implementing a simple sort method of big arrays
*/
template <typename T,size_t N> void sort(T (&numbers)[N]);
/**
* Implementing a method for printing arrays
*/
template <typename T,size_t N> void print(T (&numbers)[N]);
#endif
函數的定義在哪裏?由於您使用的是模板,因此您應該將其包含在標題(.h)中。請參閱[爲什麼模板只能在頭文件中實現?](http://stackoverflow.com/q/495021/20984)。 – 2012-01-30 14:15:32
函數的定義在Tools.cpp文件中。 – 2012-01-30 14:22:04