Function TEST_F

src/opr/test/loop/elemwise_grad.cpp:61–68

y = x */

/* y = x */
TEST_F(TestOprLoopElemwiseGrad, Identity) {
    desc_maker = [this](LoopDesc& desc) {
        auto x = desc.add_input(this->x);
        desc.set_loop_condition(desc.get_counter_var() < 0);
        desc.add_output(x, OutputMode::LAST);
    };
    check([](float) { return 1.f; });
}

/* y = sum(x, 1 <= i <= N) */
TEST_F(TestOprLoopElemwiseGrad, UpdateWithSimpleSum) {