ValueGetter <VBuffer <float> > GetGetterVector(ScalingFactor scales)
{
var getter = _inputCursor.GetGetter <VBuffer <float> >(scales.columnId);
return((ref VBuffer <float> dst) =>
{
getter(ref dst);
if (dst.Length != scales.mean.Length)
{
throw _parent._host.Except("Mismatch dimension {0} for destination != {1} for scaling vectors.", dst.Length, scales.mean.Length);
}
scales.Update(ref dst);
});
}
ValueGetter <VBuffer <float> > GetGetter(ScalingFactor scales)
{
var getter = _inputCursor.GetGetter <float>(scales.columnId);
float value = 0f;
return((ref VBuffer <float> dst) =>
{
getter(ref value);
if (1 != scales.mean.Length)
{
throw _parent._host.Except("Mismatch dimension {0} for destination != {1} for scaling vectors.", dst.Length, scales.mean.Length);
}
if (dst.Length != 1)
{
dst = new VBuffer <float>(1, new[] { value });
}
else
{
dst.Values[0] = value;
}
scales.Update(ref dst);
});
}