45 lines
1.1 KiB
C++
45 lines
1.1 KiB
C++
// RUN: %libomptarget-compilexx-and-run-generic
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// UNSUPPORTED: x86_64-pc-linux-gnu
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// UNSUPPORTED: x86_64-pc-linux-gnu-oldDriver
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// UNSUPPORTED: x86_64-pc-linux-gnu-LTO
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#include <cmath>
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#include <cstdlib>
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#include <iostream>
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bool almost_equal(float x, float gold, float tol) {
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if (std::signbit(x) != std::signbit(gold))
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x = std::abs(gold) - std::abs(x);
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return std::abs(gold) * (1 - tol) <= std::abs(x) &&
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std::abs(x) <= std::abs(gold) * (1 + tol);
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}
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int main(int argc, char *argv[]) {
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constexpr const int N0{2};
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constexpr const int N1{182};
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constexpr const float expected_value{N0 * N1};
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float counter_N0{};
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#pragma omp target data map(tofrom : counter_N0)
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{
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#pragma omp taskloop shared(counter_N0)
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for (int i0 = 0; i0 < N0; i0++) {
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#pragma omp target teams distribute parallel for map(tofrom : counter_N0) nowait
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for (int i1 = 0; i1 < N1; i1++) {
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#pragma omp atomic update
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counter_N0 = counter_N0 + 1.;
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}
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}
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}
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if (!almost_equal(counter_N0, expected_value, 0.1)) {
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std::cerr << "Expected: " << expected_value << " Got: " << counter_N0
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<< '\n';
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return -1;
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}
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return 0;
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}
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