1 /******************************************************************************/
2 /*!
3 * \file timlCNNConvShareParams.c
4 */
5 /* Copyright (C) 2015 Texas Instruments Incorporated - http://www.ti.com/
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 *
11 * Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 *
14 * Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the
17 * distribution.
18 *
19 * Neither the name of Texas Instruments Incorporated nor the names of
20 * its contributors may be used to endorse or promote products derived
21 * from this software without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
24 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
25 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
26 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
27 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
28 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
29 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
30 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
31 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
32 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 *
35 ******************************************************************************/
38 /*******************************************************************************
39 *
40 * INCLUDES
41 *
42 ******************************************************************************/
44 #include "../api/timl.h"
47 /******************************************************************************/
48 /*!
49 * \ingroup cnn
50 * \brief Share the parameters with other conv layer
51 * \details Add a conv layer to cnnShare that shares the same parameters as the conv layer
52 * \param[in,out] cnnShare CNN that shares the parameters of other cnn
53 * \param[in] layer Target cnn layer to share its parameters
54 * \return Error code
55 */
56 /******************************************************************************/
58 int timlCNNConvShareParams(timlConvNeuralNetwork *cnnShare, timlCNNLayer *layer)
59 {
60 timlCNNLayer *layerCopy;
61 int err;
63 err = timlCNNAddConvLayer(cnnShare, layer->convParams.kernelRow, layer->convParams.kernelCol, layer->convParams.strideX, layer->convParams.strideY, layer->channel, layer->convParams);
64 if (err) {
65 timlCNNDelete(cnnShare);
66 return err;
67 }
68 layerCopy = cnnShare->tail;
69 layerCopy->convParams.shared = true;
70 layerCopy->convParams.biasMultiplier = layer->convParams.biasMultiplier;
71 layerCopy->convParams.prevFeatureMapReshapeIndex = layer->convParams.prevFeatureMapReshapeIndex;
72 layerCopy->convParams.bias = layer->convParams.bias;
73 layerCopy->convParams.biasInc = layer->convParams.biasInc;
74 layerCopy->convParams.biasGradAccum = layer->convParams.biasGradAccum;
75 layerCopy->convParams.kernel = layer->convParams.kernel;
76 layerCopy->convParams.kernelInc = layer->convParams.kernelInc;
77 layerCopy->convParams.kernelGradAccum = layer->convParams.kernelGradAccum;
79 return 0;
80 }