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// { dg-additional-options "-std=c++11" }
// { dg-additional-options "-O0" }
#include <vector>
#include <stdio.h>
constexpr unsigned fib (unsigned n)
{
return n <= 2 ? 1 : fib (n-1) + fib (n-2);
}
int
test1 ()
{
std::vector<int> v;
for (unsigned i = 0; i <= 9; i++)
v.push_back (1);
int sum = 0;
for (int k = 0; k < 10; k++)
#pragma omp tile sizes(fib(4))
for (int i : v) {
for (int j = 8; j != -2; --j)
sum = sum + i;
}
return sum;
}
int
test2 ()
{
std::vector<int> v;
for (unsigned i = 0; i <= 10; i++)
v.push_back (i);
int sum = 0;
for (int k = 0; k < 10; k++)
#pragma omp parallel for collapse(2) reduction(+:sum)
#pragma omp tile sizes(fib(4), 1)
for (int i : v)
for (int j = 8; j > -2; --j)
sum = sum + i;
return sum;
}
int
main ()
{
int result = test1 ();
if (result != 1000)
{
fprintf (stderr, "%d: Wrong result: %d\n", __LINE__, result);
__builtin_abort ();
}
result = test2 ();
if (result != 5500)
{
fprintf (stderr, "%d: Wrong result: %d\n", __LINE__, result);
__builtin_abort ();
}
return 0;
}
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