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valarray::operator%= 

Obtains the remainder of dividing the elements of an array element-wise either by a specified valarray or by a value of the element type.


valarray<Type>& operator%=(
   const valarray<Type>& _Right
);
valarray<Type>& operator%=(
   const Type& _Right
);

Parameters

_Right

The valarray or value of an element type identical to that of the operand valarray that is to divide, element-wise, the operand valarray.

A valarray whose elements are the remainder from the element-wise division of the operand valarray by _Right.

// valarray_class_op_rem.cpp
// compile with: /EHsc
#include <valarray>
#include <iostream>

int main( )
{
   using namespace std;
   int i;

   valarray<int> vaL ( 6 ), vaR ( 6 );
   for ( i = 0 ; i < 6 ; i += 2 )
      vaL [ i ] =  53;
   for ( i = 1 ; i < 6 ; i += 2 )
      vaL [ i ] =  -67;
   for ( i = 0 ; i < 6 ; i++ )
      vaR [ i ] =  3*i+1;
   
   cout << "The initial 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;

   vaL %= vaR;
   cout << "The remainders from the element-by-element "
        << "division is the\n valarray: ( ";
      for ( i = 0 ; i < 6 ; i++ )
         cout << vaL [ i ] << " ";
   cout << ")." << endl;
}

Output

The initial valarray is: ( 53 -67 53 -67 53 -67 ).
The initial _Right valarray is: ( 1 4 7 10 13 16 ).
The remainders from the element-by-element division is the
 valarray: ( 0 -3 4 -7 1 -3 ).

Header: <valarray>

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