Use accumulate to calculate sum for double array with minus() : accumulate « STL Algorithms Helper « C++






  1. C++
  2. STL Algorithms Helper
  3. accumulate

Use accumulate to calculate sum for double array with minus()

  
#include <iostream>
#include <numeric>
using namespace std;

int main()
{
   double v1[3] = {1.0, 2.2, 4.3}, sum;

   sum = accumulate(v1, v1 + 3, 0.0, minus<int>());
   cout << "sum = " << sum << endl;
}








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