#include <numeric>

#include <algorithm>

#include <functional>

#include "cppunit/cppunit_proxy.h"

#if !defined (STLPORT) || defined(_STLP_USE_NAMESPACES)

using namespace std;

#endif

//

// TestCase class

//

class PlusMinusTest : public CPPUNIT_NS::TestCase

{

  CPPUNIT_TEST_SUITE(PlusMinusTest);

  CPPUNIT_TEST(plus0);

  CPPUNIT_TEST(minus0);

  CPPUNIT_TEST_SUITE_END();

protected:

  void plus0();

  void minus0();

};

CPPUNIT_TEST_SUITE_REGISTRATION(PlusMinusTest);

//

// tests implementation

//

void PlusMinusTest::plus0()

{

  int input1 [4] = { 1, 6, 11, 8 };

  int input2 [4] = { 1, 5, 2, 3 };

  int total = inner_product(input1, input1 + 4, input2, 0, plus<int>(), multiplies <int>());

  CPPUNIT_ASSERT(total==77);

}

void PlusMinusTest::minus0()

{

  int input1 [4] = { 1, 5, 7, 8 };

  int input2 [4] = { 1, 4, 8, 3 };

  int output [4];

  transform((int*)input1, (int*)input1 + 4, (int*)input2, (int*)output, minus<int>());

  CPPUNIT_ASSERT(output[0]==0);

  CPPUNIT_ASSERT(output[1]==1);

  CPPUNIT_ASSERT(output[2]==-1);

  CPPUNIT_ASSERT(output[3]==5);

}