/******************************************************************************/
/*!
 * \file timlCNNResetPoolingLayer.c
 */
/* Copyright (C) 2015 Texas Instruments Incorporated - http://www.ti.com/
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/*******************************************************************************
 *
 * INCLUDES
 *
 ******************************************************************************/

#include "../api/timl.h"


/******************************************************************************/
/*!
 * \ingroup   cnn
 * \brief     Reset pooling layer
 * \param[in] layer Layer ptr
 * \return    Error code
 */
/******************************************************************************/

int timlCNNResetPoolingLayer(timlCNNLayer *layer)
{
   int channel;
   int row;
   int col;
   int deviceId;
   int threadId;

   channel  = layer->channel;
   row      = layer->row;
   col      = layer->col;
   deviceId = layer->cnn->deviceId;
   threadId = layer->cnn->threadId;
   timlUtilVectorResetFloat(layer->featureMap, channel*row*col, 0.0, deviceId, threadId);
   timlUtilVectorResetFloat(layer->delta, channel*row*col, 0.0, deviceId, threadId);

   if (layer->poolingParams.type == CNN_MaxPooling) {
      timlUtilVectorResetInt(layer->poolingParams.maxIndex, channel*row*col, 0, deviceId, threadId);
   }

   return 0;

}