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50 lines
1.1 KiB
C++
50 lines
1.1 KiB
C++
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// STLport regression testsuite component.
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// To compile as a separate example, please #define MAIN.
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#include <vector>
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#include <numeric>
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#include <iostream>
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#include <iterator>
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#include <string>
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#ifdef MAIN
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#define inrprod2_test main
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#endif
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static int add(int a_, int b_)
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{
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return a_ + b_;
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}
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static int mult(int a_, int b_)
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{
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return a_ * b_;
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}
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#if !defined (STLPORT) || defined(__STL_USE_NAMESPACES)
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using namespace std;
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#endif
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int inrprod2_test(int, char**)
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{
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cout<<"Results of inrprod2_test:"<<endl;
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vector <int> v1(3);
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vector <int> v2(v1.size());
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for(int i = 0; i < v1.size(); i++)
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{
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v1[i] = i + 1;
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v2[i] = v1.size() - i;
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}
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ostream_iterator<int> iter(cout, " ");
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cout << "Inner product(product of sums):\n\t";
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copy(v1.begin(), v1.end(), iter);
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cout << "\n\t";
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copy(v2.begin(), v2.end(), iter);
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int result =
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inner_product(v1.begin(), v1.end(),
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v2.begin(),
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1,
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mult, add);
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cout << "\nis: " << result << endl;
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return 0;
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}
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