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#include <vector>
#include <algorithm>
#include <numeric>
#include "cppunit/cppunit_proxy.h"
#if !defined (STLPORT) || defined(_STLP_USE_NAMESPACES)
using namespace std;
#endif
//
// TestCase class
//
class InnerprodTest : public CPPUNIT_NS::TestCase
{
CPPUNIT_TEST_SUITE(InnerprodTest);
CPPUNIT_TEST(inprod0);
CPPUNIT_TEST(inprod1);
CPPUNIT_TEST(inprod2);
CPPUNIT_TEST_SUITE_END();
protected:
void inprod0();
void inprod1();
void inprod2();
static size_t add(size_t a_, size_t b_) {
return a_ + b_;
}
static size_t mult(size_t a_, size_t b_) {
return a_ * b_;
}
};
CPPUNIT_TEST_SUITE_REGISTRATION(InnerprodTest);
//
// tests implementation
//
void InnerprodTest::inprod0()
{
int vector1[5] = { 1, 2, 3, 4, 5 };
int vector2[5] = { 1, 2, 3, 4, 5 };
int result;
result = inner_product(vector1, vector1 + 5, vector2, 0);
CPPUNIT_ASSERT(result==55);
}
void InnerprodTest::inprod1()
{
vector<size_t> v1(3);
vector<size_t> v2(v1.size());
for (size_t i = 0; i < v1.size(); ++i) {
v1[i] = i + 1;
v2[i] = v1.size() - i;
}
size_t result = inner_product(v1.begin(), v1.end(), v2.begin(), (size_t)0);
CPPUNIT_ASSERT(result == 10);
}
void InnerprodTest::inprod2()
{
vector<size_t> v1(3);
vector<size_t> v2(v1.size());
for(size_t i = 0; i < v1.size(); ++i) {
v1[i] = i + 1;
v2[i] = v1.size() - i;
}
size_t result=inner_product(v1.begin(), v1.end(), v2.begin(), (size_t)1, mult, add);
CPPUNIT_ASSERT(result == 64);
}
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