operator/ (<valarray>)
获取两个具有相同的大小的 valarrays 的对应元素的元素之间 valarray 之间商或一个值。
template<class Type>
valarray<Type> operator/(
const valarray<Type>& _Left,
const valarray<Type>& _Right
);
template<class Type>
valarray<Type> operator/(
const valarray<Type>& _Left,
const Type& _Right
);
template<class Type>
valarray<Type> operator/(
const Type& _Left,
const valarray<Type>& _Right
);
参数
_Left
值或 valarray 该用作另一值或 valarray 将窗体划分。商的被除数。_Right
值或 valarray 该用作除数,该除以另一值或窗体 valarray 的商。
返回值
元素是 _Left 元素的 valarray 商由 _Right.除以
备注
在描述部门的算术术语:
被除数/除数 = 商
示例
// valarray_op_equo.cpp
// compile with: /EHsc
#include <valarray>
#include <iostream>
int main( )
{
using namespace std;
int i;
valarray<double> vaL ( 6 ), vaR ( 6 );
valarray<double> vaNE ( 6 );
for ( i = 0 ; i < 6 ; i += 2 )
vaL [ i ] = 100;
for ( i = 1 ; i < 6 ; i += 2 )
vaL [ i ] = -100;
for ( i = 0 ; i < 6 ; i++ )
vaR [ i ] = 2*i;
cout << "The initial Left valarray is: ( ";
for ( i = 0 ; i < 6 ; i++ )
cout << vaL [ i ] << " ";
cout << ")." << endl;
cout << "The initial Right valarray is: ( ";
for ( i = 0 ; i < 6 ; i++ )
cout << vaR [ i ] << " ";
cout << ")." << endl;
vaNE = ( vaL / vaR );
cout << "The element-by-element result of "
<< "the quotient is the\n valarray: ( ";
for ( i = 0 ; i < 6 ; i++ )
cout << vaNE [ i ] << " ";
cout << ")." << endl;
}
要求
Header: <valarray>
命名空间: std