3ii.cpp

来自「《C/C＋＋程序设计导论（第二版）》一书的程序源文件」· C++ 代码 · 共 12 行

// GetPosAmount()  Inputs and returns a pos. value 
float GetPosAmount()
{	float temp;
	cout << "Enter a positive value: ";
	cin >> temp;
	while (temp < 0.0)
	 {	cout << "**Negative value, enter a positive value: ";
		cin >> temp;
	 }
	return (temp);
}