| 1 | // RUN: %libomptarget-compilexx-and-run-generic |
|---|---|
| 2 | |
| 3 | // REQUIRES: gpu |
| 4 | |
| 5 | #include <cmath> |
| 6 | #include <cstdlib> |
| 7 | #include <iostream> |
| 8 | |
| 9 | bool almost_equal(float x, float gold, float tol) { |
| 10 | if (std::signbit(x: x) != std::signbit(x: gold)) |
| 11 | x = std::abs(x: gold) - std::abs(x: x); |
| 12 | |
| 13 | return std::abs(x: gold) * (1 - tol) <= std::abs(x: x) && |
| 14 | std::abs(x: x) <= std::abs(x: gold) * (1 + tol); |
| 15 | } |
| 16 | |
| 17 | int main(int argc, char *argv[]) { |
| 18 | constexpr const int N0{2}; |
| 19 | constexpr const int N1{182}; |
| 20 | constexpr const float expected_value{N0 * N1}; |
| 21 | float counter_N0{}; |
| 22 | |
| 23 | #pragma omp target data map(tofrom : counter_N0) |
| 24 | { |
| 25 | #pragma omp taskloop shared(counter_N0) |
| 26 | for (int i0 = 0; i0 < N0; i0++) { |
| 27 | #pragma omp target teams distribute parallel for map(tofrom : counter_N0) nowait |
| 28 | for (int i1 = 0; i1 < N1; i1++) { |
| 29 | #pragma omp atomic update |
| 30 | counter_N0 = counter_N0 + 1.; |
| 31 | } |
| 32 | } |
| 33 | } |
| 34 | |
| 35 | if (!almost_equal(x: counter_N0, gold: expected_value, tol: 0.1)) { |
| 36 | std::cerr << "Expected: "<< expected_value << " Got: "<< counter_N0 |
| 37 | << '\n'; |
| 38 | return -1; |
| 39 | } |
| 40 | |
| 41 | return 0; |
| 42 | } |
| 43 |