protected void Initialize <TKey>(Dictionary <TKey, float[]> modelDictionary)
{
if (modelDictionary == null || modelDictionary.Count == 0)
{
throw (new ArgumentNullException("modelDictionary"));
}
TotalClassCount = modelDictionary.First().Value.Length;
VectorLength = modelDictionary.Count;
VectorsSquareLength = new double[TotalClassCount];
var values = modelDictionary.Values;
Parallel.For(0, TotalClassCount,
classIndex => VectorsSquareLength[classIndex] = VectorsArithmetic.VectorSquareLength(values, classIndex)
);
}
unsafe private void InitializeNative(Dictionary <IntPtr, IntPtr> modelDictionary)
{
if (modelDictionary == null || modelDictionary.Count == 0)
{
throw (new ArgumentNullException("modelDictionary"));
}
var weightClassesPtr = modelDictionary.First().Value;
TotalClassCount = *((byte *)weightClassesPtr);
VectorLength = modelDictionary.Count;
_ModelRow = new float[TotalClassCount];
VectorsSquareLength = new double[TotalClassCount];
var values = _DictionaryNative.Values;
Parallel.For(0, TotalClassCount,
classIndex => VectorsSquareLength[classIndex] = VectorsArithmetic.VectorSquareLength(values, classIndex)
);
}