public void Save(ModelSaveContext ctx, string directoryName)
{
Contracts.AssertValue(ctx);
// *** Binary format ***
// int: d (number of untransformed features)
// int: NewDim (number of transformed features)
// bool: UseSin
// uint[4]: the seeds for the pseudo random number generator.
ctx.Writer.Write(SrcDim);
ctx.Writer.Write(NewDim);
ctx.Writer.WriteBoolByte(_useSin);
ctx.Writer.Write(4); // fake array length
_state.Save(ctx.Writer);
ctx.SaveModel(_matrixGenerator, directoryName);
}
