/// <summary>
/// Create Value object from dense input as batch of sequences data with sequenceStartFlags.
/// </summary>
/// <typeparam name="T">data type</typeparam>
/// <param name="sampleShape">data shape</param>
/// <param name="sequences">data sequence</param>
/// <param name="sequenceStartFlag">true indicates that it is a new sequence.
/// false means a continuation of a previous sequence.</param>
/// <param name="device">device</param>
/// <param name="readOnly">whether it a readonly value</param>
/// <returns></returns>
public static Value Create <T>(NDShape sampleShape,
IEnumerable <IEnumerable <T> > sequences,
IEnumerable <bool> sequenceStartFlags,
DeviceDescriptor device,
bool readOnly = false)
{
var seqFlags = Helper.AsBoolVector(sequenceStartFlags);
if (typeof(T).Equals(typeof(float)))
{
var inputAsSequencesVector = new FloatVectorVector();
foreach (var seq in sequences)
{
var seqVector = Helper.AsFloatVector(seq);
// The seqVector is copied when adding to inputAsSequencesVector.
inputAsSequencesVector.Add(seqVector);
}
return(Value._CreateDenseFloat(sampleShape, inputAsSequencesVector, seqFlags, device, readOnly));
}
else if (typeof(T).Equals(typeof(double)))
{
var inputAsSequencesVector = new DoubleVectorVector();
foreach (var seq in sequences)
{
var seqVector = Helper.AsDoubleVector(seq);
inputAsSequencesVector.Add(seqVector);
}
return(Value._CreateDenseDouble(sampleShape, inputAsSequencesVector, seqFlags, device, readOnly));
}
else
{
throw new ArgumentException("The data type " + typeof(T).ToString() + " is not supported. Only float or double is supported by CNTK.");
}
}