/*M///////////////////////////////////////////////////////////////////////////////////////
//
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//
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//  If you do not agree to this license, do not download, install,
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//
//                           License Agreement
//                For Open Source Computer Vision Library
//
// Copyright (C) 2017, Intel Corporation, all rights reserved.
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//
// Redistribution and use in source and binary forms, with or without modification,
// are permitted provided that the following conditions are met:
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//   * Redistribution's of source code must retain the above copyright notice,
//     this list of conditions and the following disclaimer.
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//M*/

#define CONCAT(A,B) A##_##B
#define TEMPLATE(name,type) CONCAT(name,type)
#define Dtype float

__kernel void TEMPLATE(copyWeightsSwizzled, Dtype)
    (__global Dtype* weightIn,
     __global Dtype* weightOut,
     const int kernel_w,
     const int kernel_h,
     const int channels,
     const int outputs,
     const int swizzleFactor) {

  unsigned int sX = get_global_id(0);

  //Original location

  //Output location
  int outputSublayer = channels / swizzleFactor;
  int outputSublayerIndex = channels % swizzleFactor;

  int filter = sX / (kernel_w*kernel_h*channels);
  int kernel_X = sX % kernel_w;
  int kernel_Y = (sX / kernel_w) % kernel_h;
  int kernel_C = (sX / (kernel_w * kernel_h)) % channels;

  int FP = filter / swizzleFactor;
  int F1 = filter % swizzleFactor;

  weightOut[FP*(kernel_w*kernel_h*channels*swizzleFactor) + kernel_C*(kernel_w*kernel_h*swizzleFactor) + kernel_Y*(kernel_w*swizzleFactor) + kernel_X*swizzleFactor + F1]
  = weightIn[filter*(kernel_w*kernel_h*channels) + kernel_C*(kernel_w*kernel_h) + kernel_Y*kernel_w + kernel_X];
}
