/// <summary>
/// Resume training.
/// </summary>
///
/// <param name="state">The training state to return to.</param>
public override sealed void Resume(TrainingContinuation state)
{
if (!IsValidResume(state))
{
throw new TrainingError("Invalid training resume data length");
}
var lastGradient = (double[])state.Get(LastGradientsConst);
var updateValues = (double[])state.Get(UpdateValuesConst);
EngineArray.ArrayCopy(lastGradient, LastGradient);
EngineArray.ArrayCopy(updateValues, _updateValues);
}
/// <summary>
/// Resume training.
/// </summary>
///
/// <param name="state">The training state to return to.</param>
public override sealed void Resume(TrainingContinuation state)
{
if (!IsValidResume(state))
{
throw new TrainingError("Invalid training resume data length");
}
_lastDelta = (double[])state.Get(PropertyLastDelta);
}
/// <summary>
/// Determine if the specified continuation object is valid to resume with.
/// </summary>
///
/// <param name="state">The continuation object to check.</param>
/// <returns>True if the specified continuation object is valid for this
/// training method and network.</returns>
public bool IsValidResume(TrainingContinuation state)
{
if (!state.Contents.ContainsKey(PropertyLastDelta))
{
return(false);
}
if (!state.TrainingType.Equals(GetType().Name))
{
return(false);
}
var d = (double[])state.Get(PropertyLastDelta);
return(d.Length == ((IContainsFlat)Method).Flat.Weights.Length);
}
/// <summary>
/// Determine if the specified continuation object is valid to resume with.
/// </summary>
///
/// <param name="state">The continuation object to check.</param>
/// <returns>True if the specified continuation object is valid for this
/// training method and network.</returns>
public bool IsValidResume(TrainingContinuation state)
{
if (!state.Contents.ContainsKey(
LastGradientsConst) ||
!state.Contents.ContainsKey(
UpdateValuesConst))
{
return(false);
}
if (!state.TrainingType.Equals(GetType().Name))
{
return(false);
}
var d = (double[])state.Get(LastGradientsConst);
return(d.Length == Network.Flat.Weights.Length);
}
/// <summary>
/// Resume training.
/// </summary>
///
/// <param name="state">The training state to return to.</param>
public override sealed void Resume(TrainingContinuation state)
{
if (!IsValidResume(state))
{
throw new TrainingError("Invalid training resume data length");
}
var lastGradient = (double[]) state.Get(LastGradientsConst);
var updateValues = (double[]) state.Get(UpdateValuesConst);
EngineArray.ArrayCopy(lastGradient,LastGradient);
EngineArray.ArrayCopy(updateValues,_updateValues);
}
/// <summary>
/// Determine if the specified continuation object is valid to resume with.
/// </summary>
///
/// <param name="state">The continuation object to check.</param>
/// <returns>True if the specified continuation object is valid for this
/// training method and network.</returns>
public bool IsValidResume(TrainingContinuation state)
{
if (!state.Contents.ContainsKey(
LastGradientsConst)
|| !state.Contents.ContainsKey(
UpdateValuesConst))
{
return false;
}
if (!state.TrainingType.Equals(GetType().Name))
{
return false;
}
var d = (double[]) state.Get(LastGradientsConst);
return d.Length == Network.Flat.Weights.Length;
}
/// <summary>
/// Resume training.
/// </summary>
///
/// <param name="state">The training state to return to.</param>
public override sealed void Resume(TrainingContinuation state)
{
if (!IsValidResume(state))
{
throw new TrainingError("Invalid training resume data length");
}
_lastDelta = (double[])state.Get(PropertyLastDelta);
}
/// <summary>
/// Determine if the specified continuation object is valid to resume with.
/// </summary>
///
/// <param name="state">The continuation object to check.</param>
/// <returns>True if the specified continuation object is valid for this
/// training method and network.</returns>
public bool IsValidResume(TrainingContinuation state)
{
if (!state.Contents.ContainsKey(PropertyLastDelta))
{
return false;
}
if (!state.TrainingType.Equals(GetType().Name))
{
return false;
}
var d = (double[])state.Get(PropertyLastDelta);
return d.Length == ((IContainsFlat) Method).Flat.Weights.Length;
}
