divides

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A binary function object that returns the result of dividing its first argument by its second argument

#include <functional>

namespace std {
  template <class T>
  struct divides;
}

divides is a binary function object. Its operator() returns the quotient of the first argument divided by the second argument. You can pass a divides object to any algorithm that requires a binary function. For example, the transform() algorithm applies a binary operation to corresponding values in two collections and stores the result. The divides object would be used in that algorithm in the following manner:

vector<int> vec1;
vector<int> vec2;
vector<int> vecResult;
.
.
.
transform(vec1.begin(), vec1.end(),
          vec2.begin(), vecResult.begin(), 
          divides<int>());

After this call to transform(), vecResult[n] contains vec1[n] divided by vec2[n].

namespace std {
  template <class T>
  struct divides : binary_function<T, T, T> 
  {
     T operator() (const T&, const T&) const;
  };
}

binary_function, Function Objects

ISO/IEC 14882:1998 -- International Standard for Information Systems -- Programming Language C++, Section 20.3.2