/// <summary>
/// Creates a new copy of this instance of the parameter.
/// </summary>
/// <returns>A new instance of this parameter is returned.</returns>
public override LayerParameterBase Clone()
{
MergeParameter p = new MergeParameter();
p.Copy(this);
return(p);
}
/// <summary>
/// Load the parameter from a binary reader.
/// </summary>
/// <param name="br">Specifies the binary reader.</param>
/// <param name="bNewInstance">When <i>true</i> a new instance is created (the default), otherwise the existing instance is loaded from the binary reader.</param>
/// <returns>Returns an instance of the parameter.</returns>
public override object Load(System.IO.BinaryReader br, bool bNewInstance = true)
{
RawProto proto = RawProto.Parse(br.ReadString());
MergeParameter p = FromProto(proto);
if (!bNewInstance)
{
Copy(p);
}
return(p);
}
/// <summary>
/// Copy on parameter to another.
/// </summary>
/// <param name="src">Specifies the parameter to copy.</param>
public override void Copy(LayerParameterBase src)
{
MergeParameter p = (MergeParameter)src;
m_nCopyAxis = p.m_nCopyAxis;
m_nOrderingMajorAxis = p.m_nOrderingMajorAxis;
m_nCopyCount = p.m_nCopyCount;
m_nSrcStartIdx1 = p.m_nSrcStartIdx1;
m_nSrcStartIdx2 = p.m_nSrcStartIdx2;
m_nDstStartIdx1 = p.m_nDstStartIdx1;
m_nDstStartIdx2 = p.m_nDstStartIdx2;
m_nCopyDim1 = p.m_nCopyDim1;
m_nCopyDim2 = p.m_nCopyDim2;
m_nSrcSpatialDimStartIdx1 = p.m_nSrcSpatialDimStartIdx1;
m_nDstSpatialDimStartIdx1 = p.m_nDstSpatialDimStartIdx1;
m_nSrcSpatialDimStartIdx2 = p.m_nSrcSpatialDimStartIdx2;
m_nDstSpatialDimStartIdx2 = p.m_nDstSpatialDimStartIdx2;
m_nSpatialDimCopyCount = p.m_nSpatialDimCopyCount;
m_nDstSpatialDim = p.m_nDstSpatialDim;
}
/// <summary>
/// Calculate the new shape based on the merge parameter settings and the specified input shapes.
/// </summary>
/// <param name="p">Specifies the merge parameter.</param>
/// <param name="rgShape1">Specifies the shape of the first input.</param>
/// <param name="rgShape2">Specifies the shape of the second input.</param>
/// <param name="log">Specifies the output log.</param>
/// <returns>The new shape is returned.</returns>
public static List <int> Reshape(Log log, MergeParameter p, List <int> rgShape1, List <int> rgShape2)
{
while (rgShape2.Count > rgShape1.Count && rgShape2.Count > 0)
{
if (rgShape2[rgShape2.Count - 1] == 1)
{
rgShape2.RemoveAt(rgShape2.Count - 1);
}
}
while (rgShape1.Count > rgShape2.Count && rgShape1.Count > 0)
{
if (rgShape1[rgShape1.Count - 1] == 1)
{
rgShape1.RemoveAt(rgShape1.Count - 1);
}
}
log.CHECK_EQ(rgShape1.Count, rgShape2.Count, "The inputs must have the same number of axes.");
log.CHECK_LT(p.copy_axis, rgShape1.Count, "There must be more axes than the copy axis!");
int nSrcStartIdx1 = Utility.CanonicalAxisIndex(p.src_start_idx1, rgShape1[p.copy_axis]);
int nSrcStartIdx2 = Utility.CanonicalAxisIndex(p.src_start_idx2, rgShape2[p.copy_axis]);
int nDstStartIdx1 = Utility.CanonicalAxisIndex(p.dst_start_idx1, rgShape1[p.copy_axis]);
int nDstStartIdx2 = Utility.CanonicalAxisIndex(p.dst_start_idx2, rgShape2[p.copy_axis]);
List <int> rgNewShape = new List <int>();
for (int i = 0; i < rgShape1.Count; i++)
{
rgNewShape.Add(1);
}
for (int i = 0; i < p.copy_axis; i++)
{
log.CHECK_EQ(rgShape1[i], rgShape2[i], "Inputs must have the same dimensions up to the copy axis.");
rgNewShape[i] = rgShape1[i];
}
int nCopy1 = p.copy_dim1;
int nCopy2 = p.copy_dim2;
int nIdx = p.copy_axis;
rgNewShape[nIdx] = nCopy1 + nCopy2;
nIdx++;
rgNewShape[nIdx] = rgShape1[nIdx];
nIdx++;
for (int i = nIdx; i < rgNewShape.Count; i++)
{
if (p.m_nDstSpatialDim > 0)
{
rgNewShape[i] = p.m_nDstSpatialDim;
break;
}
if (p.spatialdim_copy_count <= 0)
{
log.CHECK_EQ(rgShape1[i], rgShape2[i], "Inputs must have the same dimensions after the copy axis.");
rgNewShape[i] = rgShape1[i];
}
}
return(rgNewShape);
}
/// <summary>
/// Parses the parameter from a RawProto.
/// </summary>
/// <param name="rp">Specifies the RawProto to parse.</param>
/// <returns>A new instance of the parameter is returned.</returns>
public static MergeParameter FromProto(RawProto rp)
{
string strVal;
MergeParameter p = new MergeParameter();
// if ((strVal = rp.FindValue("copy_axis")) != null)
// p.copy_axis = int.Parse(strVal);
// if ((strVal = rp.FindValue("order_major_axis")) != null)
// p.order_major_axis = int.Parse(strVal);
if ((strVal = rp.FindValue("copy_count")) != null)
{
p.copy_count = int.Parse(strVal);
}
if ((strVal = rp.FindValue("src_start_idx1")) != null)
{
p.src_start_idx1 = int.Parse(strVal);
}
if ((strVal = rp.FindValue("dst_start_idx1")) != null)
{
p.dst_start_idx1 = int.Parse(strVal);
}
if ((strVal = rp.FindValue("copy_dim1")) != null)
{
p.copy_dim1 = int.Parse(strVal);
}
if ((strVal = rp.FindValue("src_start_idx2")) != null)
{
p.src_start_idx2 = int.Parse(strVal);
}
if ((strVal = rp.FindValue("dst_start_idx2")) != null)
{
p.dst_start_idx2 = int.Parse(strVal);
}
if ((strVal = rp.FindValue("copy_dim2")) != null)
{
p.copy_dim2 = int.Parse(strVal);
}
if ((strVal = rp.FindValue("src_spatialdim_start_idx1")) != null)
{
p.src_spatialdim_start_idx1 = int.Parse(strVal);
}
if ((strVal = rp.FindValue("dst_spatialdim_start_idx1")) != null)
{
p.dst_spatialdim_start_idx1 = int.Parse(strVal);
}
if ((strVal = rp.FindValue("src_spatialdim_start_idx2")) != null)
{
p.src_spatialdim_start_idx2 = int.Parse(strVal);
}
if ((strVal = rp.FindValue("dst_spatialdim_start_idx2")) != null)
{
p.dst_spatialdim_start_idx2 = int.Parse(strVal);
}
if ((strVal = rp.FindValue("spatialdim_copy_count")) != null)
{
p.spatialdim_copy_count = int.Parse(strVal);
}
if ((strVal = rp.FindValue("dst_spatialdim")) != null)
{
p.dst_spatialdim = int.Parse(strVal);
}
return(p);
}