gcc/testsuite/g++.dg/torture/pr39417.C

   1 // { dg-do run }
   2
   3 #include <vector>
   4
   5 std::vector <int>
   6 sequence(int l, int n)
   7 {
   8   std::vector <int> ret;
   9   for(int i=n;i<=100;i++)
  10     {
  11       if(i%2==0)
  12         {
  13           if(l%i==i/2)
  14             {
  15               int init =l/i-i/2+1;
  16               if(init>=0)
  17                 {
  18                   for(int j=0;j<i;j++)
  19                     {
  20                       ret.push_back(init);
  21                       init ++;
  22                     }
  23                   break;
  24                 }
  25             }
  26         }
  27       else
  28         {
  29           if(l%i==0)
  30             {
  31               int init =l/i-i/2;
  32               if(init>=0)
  33                 {
  34                   for(int j=0;j<i;j++)
  35                     {
  36                       ret.push_back(init);
  37                       init ++;
  38                     }
  39                   break;
  40                 }
  41             }
  42         }
  43     }
  44   return ret;
  45 }
  46 extern "C" void abort (void);
  47 int main()
  48 {
  49   std::vector<int> res = sequence(18, 2);
  50   if (res.size () != 3
  51       || res[0] != 5
  52       || res[1] != 6
  53       || res[2] != 7)
  54     abort ();
  55   return 0;
  56 }