1  

     2 // STLport regression testsuite component.

     3 // To compile as a separate example, please #define MAIN.

     4 

     5 #include <vector>

     6 #include <numeric>

     7 #include <iostream>

     8 #include <iterator>

     9 #include <string>

    10 

    11 #ifdef MAIN 

    12 #define inrprod2_test main

    13 #endif

    14 static int add(int a_, int b_)

    15 {

    16   return a_ + b_;

    17 }

    18 

    19 static int mult(int a_, int b_)

    20 {

    21   return a_ * b_;

    22 }

    23 

    24 #if !defined (STLPORT) || defined(__STL_USE_NAMESPACES)

    25 using namespace std;

    26 #endif

    27 int inrprod2_test(int, char**)

    28 {

    29   cout<<"Results of inrprod2_test:"<<endl;

    30 

    31   vector <int> v1(3);

    32   vector <int> v2(v1.size());

    33   for(int i = 0; i < v1.size(); i++)

    34   {

    35     v1[i] = i + 1;

    36     v2[i] = v1.size() - i;

    37   }

    38   ostream_iterator<int> iter(cout, " ");

    39   cout << "Inner product(product of sums):\n\t";

    40   copy(v1.begin(), v1.end(), iter);

    41   cout << "\n\t";

    42   copy(v2.begin(), v2.end(), iter);

    43   int result =

    44     inner_product(v1.begin(), v1.end(),

    45                    v2.begin(),

    46                    1,

    47                    mult, add);

    48   cout << "\nis: " << result << endl;

    49   if(result == 64)

    50   return 0;

    51   else

    52   return 1;

    53 }