#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);

 }