internal static AxisVector AsAxisVector(IList <Axis> input)
{
AxisVector inputVector = new AxisVector();
foreach (var element in input)
{
inputVector.Add(element);
}
return(inputVector);
}
/// <summary>
/// Create an 'Input' Variable denoting sparse data and specify if gradients are to be computed for this input
/// </summary>
/// <param name="shape"></param>
/// <param name="isSparse"></param>
/// <param name="dataType"></param>
/// <param name="needsGradient"></param>
/// <param name="name"></param>
/// <param name="dynamicAxes"></param>
/// <returns></returns>
public static Variable InputVariable(NDShape shape, DataType dataType, string name = "", IList <Axis> dynamicAxes = null, bool isSparse = false, bool needsGradient = false)
{
if (dynamicAxes == null)
{
dynamicAxes = Axis.DefaultInputVariableDynamicAxes();
}
AxisVector dynamicAxesVector = Helper.AsAxisVector(dynamicAxes);
return(CNTKLib.InputVariable(shape, isSparse, dataType, needsGradient, name, dynamicAxesVector));
}
/// <summary>
/// Create a Placeholder variable to be used as a temporary/placeholder input to a Function.
/// All placeholder inputs of a Function must be replaced with non-placeholder Variables before Forward evaluation of the Function.
/// </summary>
/// <param name="shape"></param>
/// <param name="dynamicAxes"></param>
/// <returns></returns>
public static Variable PlaceholderVariable(NDShape shape, IList <Axis> dynamicAxes)
{
AxisVector dynamicAxesVector = Helper.AsAxisVector(dynamicAxes);
return(CNTKLib.PlaceholderVariable(shape, dynamicAxesVector));
}
