root/test/generator/stubtest_aottest.cpp

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DEFINITIONS

This source file includes following definitions.
  1. make_image
  2. verify
  3. main

#include <algorithm>

#include "HalideRuntime.h"
#include "HalideBuffer.h"
#include "stubtest.h"

using Halide::Runtime::Buffer;

const int kSize = 32;

template<typename Type>
Buffer<Type> make_image(int extra) {
    Buffer<Type> im(kSize, kSize, 3);
    for (int x = 0; x < kSize; x++) {
        for (int y = 0; y < kSize; y++) {
            for (int c = 0; c < 3; c++) {
                im(x, y, c) = static_cast<Type>(x + y + c + extra);
            }
        }
    }
    return im;
}

template<typename InputType, typename OutputType>
void verify(const Buffer<InputType> &input, float float_arg, int int_arg, const Buffer<OutputType> &output) {
    if (input.width() != output.width() ||
        input.height() != output.height()) {
        fprintf(stderr, "size mismatch: %dx%d vs %dx%d\n",input.width(),input.height(),output.width(),output.height());
        exit(-1);
    }
    int channels = std::max(1, std::min(input.channels(), output.channels()));
    for (int x = 0; x < output.width(); x++) {
        for (int y = 0; y < output.height(); y++) {
            for (int c = 0; c < channels; c++) {
                const OutputType expected = static_cast<OutputType>(input(x, y, c) * float_arg + int_arg);
                const OutputType actual = output(x, y, c);
                if (expected != actual) {
                    fprintf(stderr, "img[%d, %d, %d] = %f, expected %f (input = %f)\n", x, y, c, (double)actual, (double)expected, (double)input(x, y, c));
                    exit(-1);
                }
            }
        }
    }
}

int main(int argc, char **argv) {
    Buffer<uint8_t> buffer_input = make_image<uint8_t>(0);
    Buffer<float> simple_input = make_image<float>(0);
    Buffer<float> array_input0 = make_image<float>(0);
    Buffer<float> array_input1 = make_image<float>(1);
    Buffer<float> typed_buffer_output(kSize, kSize, 3);
    Buffer<float> untyped_buffer_output(kSize, kSize, 3);
    Buffer<float> simple_output(kSize, kSize, 3);
    Buffer<float> tuple_output0(kSize, kSize, 3), tuple_output1(kSize, kSize, 3);
    Buffer<int16_t> array_output0(kSize, kSize), array_output1(kSize, kSize);
    Buffer<uint8_t> static_compiled_buffer_output(kSize, kSize, 3);

    stubtest(
        buffer_input,
        buffer_input,
        simple_input, 
        array_input0, array_input1, 
        1.25f, 
        33, 
        66, 
        simple_output, 
        tuple_output0, tuple_output1, 
        array_output0, array_output1,
        typed_buffer_output,
        untyped_buffer_output,
        static_compiled_buffer_output
    );

    verify(buffer_input, 1.f, 0, typed_buffer_output);
    verify(buffer_input, 1.f, 0, untyped_buffer_output);
    verify(simple_input, 1.f, 0, simple_output);
    verify(array_input0, 1.f, 0, simple_output);
    verify(array_input0, 1.25f, 0, tuple_output0);
    verify(array_input0, 1.25f, 33, tuple_output1);
    verify(array_input0, 1.0f, 33, array_output0);
    verify(array_input1, 1.0f, 66, array_output1);
    verify(buffer_input, 1.0f, 42, static_compiled_buffer_output);

    printf("Success!\n");
    return 0;
}

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