public I3DTensor AddPadding(int padding)
{
var newRows = _rows + padding * 2;
var newColumns = _columns + padding * 2;
var ret = new Cpu3DTensor(newRows, newColumns, Depth);
for (var k = 0; k < Depth; k++)
{
for (var i = 0; i < newRows; i++)
{
for (var j = 0; j < newColumns; j++)
{
if (i < padding || j < padding)
{
continue;
}
else if (i >= newRows - padding || j >= newColumns - padding)
{
continue;
}
ret[i, j, k] = this[i - padding, j - padding, k];
}
}
}
return(ret);
}
public I3DTensor RemovePadding(int padding)
{
var newRows = _rows - padding * 2;
var newColumns = _columns - padding * 2;
var ret = new Cpu3DTensor(newRows, newColumns, Depth);
for (var k = 0; k < Depth; k++)
{
for (var i = 0; i < newRows; i++)
{
for (var j = 0; j < newColumns; j++)
{
ret[i, j, k] = this[i + padding, j + padding, k];
}
}
}
return(ret);
}
public I3DTensor ConvertTo3DTensor(int rows, int columns, int depth)
{
if (depth > 1)
{
var matrixList = new List <IMatrix>();
var slice = Split(depth);
foreach (var part in slice)
{
matrixList.Add(part.ConvertInPlaceToMatrix(rows, columns));
}
var ret = new Cpu3DTensor(matrixList);
return(ret);
}
else
{
var matrix = ConvertInPlaceToMatrix(rows, columns);
return(new Cpu3DTensor(new[] { matrix }));
}
}
