Function TEST_F

tests/test_tensor_ops_comparison.cpp:129–141

// ============================================================================

TEST_F(TensorBugHuntingTest, CriticalCPUToGPUTransfer) {
    // The critical test mentioned in the requirements
    auto t = lfs::core::Tensor::ones({2, 3}, lfs::core::Device::CPU);
    t.ptr<float>()[0] = 99.0f;

    auto gpu = t.cuda();
    auto back = gpu.cpu();

    EXPECT_FLOAT_EQ(back.ptr<float>()[0], 99.0f) << "CPU→GPU→CPU transfer corrupted data!";

    // Also test via operator[]
    EXPECT_FLOAT_EQ(back[0][0], 99.0f) << "Operator[] access shows corrupted data!";
}

TEST_F(TensorBugHuntingTest, CPUToGPUTransferMultipleValues) {
    auto t = lfs::core::Tensor::zeros({5, 4}, lfs::core::Device::CPU);