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// Tencent is pleased to support the open source community by making ncnn available.
//
// Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
//
// Licensed under the BSD 3-Clause License (the "License"); you may not use this file except
// in compliance with the License. You may obtain a copy of the License at
//
// https://opensource.org/licenses/BSD-3-Clause
//
// Unless required by applicable law or agreed to in writing, software distributed
// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
// CONDITIONS OF ANY KIND, either express or implied. See the License for the
// specific language governing permissions and limitations under the License.

#include "layer/convolutiondepthwise.h"
#include "testutil.h"

static int test_convolutiondepthwise_dynamic(int w, int h, int c, int outch, int kernel, int dilation, int stride, int pad, int bias, int group)
{
    ncnn::Mat a = RandomMat(w, h, c);

    ncnn::ParamDict pd;
    pd.set(0, 0);
    pd.set(1, 0);
    pd.set(2, dilation);
    pd.set(3, stride);
    pd.set(4, pad);
    pd.set(5, bias);
    pd.set(6, 0);
    pd.set(7, group);
    pd.set(19, 1); // dynamic weight

    int activation_type = RAND() % 7; // 0 1 2 3 4 5 6
    ncnn::Mat activation_params(2);
    activation_params[0] = (activation_type == 6) ? RandomFloat(0, 1) : RandomFloat(-1, 0); // alpha
    activation_params[1] = RandomFloat(0, 1);                                               // beta
    pd.set(9, activation_type);
    pd.set(10, activation_params);

    std::vector<ncnn::Mat> as(bias ? 3 : 2);
    as[0] = a;
    as[1] = RandomMat(kernel, kernel, c / group, outch);
    if (bias)
        as[2] = RandomMat(outch);

    std::vector<ncnn::Mat> weights(0);

    int ret = test_layer<ncnn::ConvolutionDepthWise>("ConvolutionDepthWise", pd, weights, as);
    if (ret != 0)
    {
        fprintf(stderr, "test_convolutiondepthwise_dynamic failed w=%d h=%d c=%d outch=%d kernel=%d dilation=%d stride=%d pad=%d bias=%d group=%d act=%d actparams=[%f,%f]\n", w, h, c, outch, kernel, dilation, stride, pad, bias, group, activation_type, activation_params[0], activation_params[1]);
    }

    return ret;
}

static int test_convolutiondepthwise_2()
{
    static const int kdsp[7][4] = {
        {1, 1, 1, 0},
        {1, 1, 2, 0},
        {2, 1, 1, 1},
        {2, 1, 2, -233},
        {3, 1, 1, 1},
        {3, 1, 2, 1},
        {3, 2, 1, -234},
    };

    for (int i = 0; i < 7; i++)
    {
        const int k = kdsp[i][0];
        const int d = kdsp[i][1];
        const int s = kdsp[i][2];
        const int p = kdsp[i][3];

        int ret = 0
                  || test_convolutiondepthwise_dynamic(11, 10, 1, 1, k, d, s, p, 1, 1)
                  || test_convolutiondepthwise_dynamic(11, 10, 2, 2, k, d, s, p, 0, 1)
                  || test_convolutiondepthwise_dynamic(11, 10, 2, 2, k, d, s, p, 1, 2)
                  || test_convolutiondepthwise_dynamic(11, 10, 3, 3, k, d, s, p, 0, 3)
                  || test_convolutiondepthwise_dynamic(11, 10, 4, 2, k, d, s, p, 1, 2)
                  || test_convolutiondepthwise_dynamic(11, 10, 4, 4, k, d, s, p, 0, 4)
                  || test_convolutiondepthwise_dynamic(11, 10, 7, 7, k, d, s, p, 1, 7)
                  || test_convolutiondepthwise_dynamic(11, 10, 8, 8, k, d, s, p, 0, 2)
                  || test_convolutiondepthwise_dynamic(11, 10, 8, 8, k, d, s, p, 1, 8)
                  || test_convolutiondepthwise_dynamic(11, 10, 12, 12, k, d, s, p, 0, 4)
                  || test_convolutiondepthwise_dynamic(11, 10, 15, 15, k, d, s, p, 1, 15)
                  || test_convolutiondepthwise_dynamic(11, 10, 16, 8, k, d, s, p, 0, 2)
                  || test_convolutiondepthwise_dynamic(11, 10, 16, 16, k, d, s, p, 1, 16);

        if (ret != 0)
            return -1;
    }

    return 0;
}

#if NCNN_INT8
static int test_convolutiondepthwise_int8(int w, int h, int c, int outch, int kernel, int dilation, int stride, int pad, int bias, int group, bool requant = false)
{
    ncnn::Mat a = RandomMat(w, h, c);

    ncnn::ParamDict pd;
    pd.set(0, outch);
    pd.set(1, kernel);
    pd.set(2, dilation);
    pd.set(3, stride);
    pd.set(4, pad);
    pd.set(5, bias);
    pd.set(6, outch / group * c / group * kernel * kernel * group);
    pd.set(7, group);
    pd.set(8, requant ? 101 : 1); // int8_scale_term

    int activation_type = RAND() % 7; // 0 1 2 3 4 5 6
    ncnn::Mat activation_params(2);
    activation_params[0] = (activation_type == 6) ? RandomFloat(0, 1) : RandomFloat(-1, 0); // alpha
    activation_params[1] = RandomFloat(0, 1);                                               // beta
    pd.set(9, activation_type);
    pd.set(10, activation_params);

    std::vector<ncnn::Mat> weights(bias ? 5 : 4);
    weights[0] = RandomMat(outch / group * c / group * kernel * kernel * group);
    ncnn::Mat weight_scales = scales_mat(weights[0], group, c * kernel * kernel / group, c * kernel * kernel / group);
    ncnn::Mat input_scales = scales_mat(a, 1, w * h * c, a.cstep);
    ncnn::Mat top_scales = requant ? scales_mat(a, 1, w * h * c, a.cstep) : ncnn::Mat();
    if (bias)
    {
        weights[1] = RandomMat(outch);
        weights[2] = weight_scales;
        weights[3] = input_scales;
        weights[4] = top_scales;
    }
    else
    {
        weights[1] = weight_scales;
        weights[2] = input_scales;
        weights[3] = top_scales;
    }

    int flag = TEST_LAYER_DISABLE_GPU_TESTING;
    int ret = test_layer<ncnn::ConvolutionDepthWise>("ConvolutionDepthWise", pd, weights, a, requant ? 1.0f : 0.001f, 0, flag);
    if (ret != 0)
    {
        fprintf(stderr, "test_convolutiondepthwise_int8 failed w=%d h=%d c=%d outch=%d kernel=%d dilation=%d stride=%d pad=%d bias=%d group=%d requant=%d act=%d actparams=[%f,%f]\n", w, h, c, outch, kernel, dilation, stride, pad, bias, group, requant, activation_type, activation_params[0], activation_params[1]);
    }

    return ret;
}

static int test_convolutiondepthwise_1()
{
    static const int kdsp[16][4] = {
        {1, 1, 1, 0},
        {1, 1, 2, 0},
        {2, 1, 1, 1},
        {2, 1, 2, -233},
        {3, 1, 1, 1},
        {3, 1, 2, 1},
        {3, 2, 1, 1},
        {4, 1, 1, 2},
        {4, 1, 2, -233},
        {4, 2, 1, -234},
        {5, 1, 1, -234},
        {5, 1, 2, 2},
        {5, 2, 2, 2},
        {7, 1, 1, 3},
        {7, 1, 2, 3},
        {7, 2, 1, -233},
    };

    for (int i = 0; i < 16; i++)
    {
        const int k = kdsp[i][0];
        const int d = kdsp[i][1];
        const int s = kdsp[i][2];
        const int p = kdsp[i][3];

        int ret = 0
                  || test_convolutiondepthwise_int8(15, 7, 1, 1, k, d, s, p, 1, 1)
                  || test_convolutiondepthwise_int8(15, 7, 2, 2, k, d, s, p, 0, 1)
                  || test_convolutiondepthwise_int8(15, 7, 2, 2, k, d, s, p, 1, 2)
                  || test_convolutiondepthwise_int8(15, 7, 3, 3, k, d, s, p, 0, 3)
                  || test_convolutiondepthwise_int8(15, 7, 4, 2, k, d, s, p, 1, 2)
                  || test_convolutiondepthwise_int8(15, 7, 4, 4, k, d, s, p, 0, 4)
                  || test_convolutiondepthwise_int8(15, 7, 7, 7, k, d, s, p, 1, 7)
                  || test_convolutiondepthwise_int8(15, 7, 8, 8, k, d, s, p, 0, 2)
                  || test_convolutiondepthwise_int8(15, 7, 8, 8, k, d, s, p, 1, 8)
                  || test_convolutiondepthwise_int8(15, 7, 12, 12, k, d, s, p, 0, 4)
                  || test_convolutiondepthwise_int8(15, 7, 15, 15, k, d, s, p, 1, 15)
                  || test_convolutiondepthwise_int8(15, 7, 16, 8, k, d, s, p, 0, 2)
                  || test_convolutiondepthwise_int8(15, 7, 16, 16, k, d, s, p, 1, 16);

        if (ret != 0)
            return -1;
    }

    for (int i = 0; i < 16; i++)
    {
        const int k = kdsp[i][0];
        const int d = kdsp[i][1];
        const int s = kdsp[i][2];
        const int p = kdsp[i][3];

        int ret = 0
                  || test_convolutiondepthwise_int8(9, 7, 1, 1, k, d, s, p, 1, 1, true)
                  || test_convolutiondepthwise_int8(9, 7, 2, 2, k, d, s, p, 0, 1, true)
                  || test_convolutiondepthwise_int8(9, 7, 2, 2, k, d, s, p, 1, 2, true)
                  || test_convolutiondepthwise_int8(9, 7, 3, 3, k, d, s, p, 0, 3, true)
                  || test_convolutiondepthwise_int8(9, 7, 4, 2, k, d, s, p, 1, 2, true)
                  || test_convolutiondepthwise_int8(9, 7, 4, 4, k, d, s, p, 0, 4, true)
                  || test_convolutiondepthwise_int8(9, 7, 7, 7, k, d, s, p, 1, 7, true)
                  || test_convolutiondepthwise_int8(9, 7, 8, 8, k, d, s, p, 0, 2, true)
                  || test_convolutiondepthwise_int8(9, 7, 8, 8, k, d, s, p, 1, 8, true)
                  || test_convolutiondepthwise_int8(9, 7, 12, 12, k, d, s, p, 0, 4, true)
                  || test_convolutiondepthwise_int8(9, 7, 15, 15, k, d, s, p, 1, 15, true)
                  || test_convolutiondepthwise_int8(9, 7, 16, 8, k, d, s, p, 0, 2, true)
                  || test_convolutiondepthwise_int8(9, 7, 16, 16, k, d, s, p, 1, 16, true);

        if (ret != 0)
            return -1;
    }

    return 0;
}
#endif // NCNN_INT8

int main()
{
    SRAND(7767517);

#if NCNN_INT8
    return test_convolutiondepthwise_1() || test_convolutiondepthwise_2();
#else
    return test_convolutiondepthwise_2();
#endif
}