public void Init(int N) { NN = N; NCheck.Check(ref NN, ref Npow2); RevInd = RevIndex.Create(NN, Npow2); ExpTbl = ExpTable.Create(NN); tmp1 = new Complex[NN]; tmp2 = new Complex[NN]; }
public void Init(int N) { NN = N; NCheck.Check(ref NN, ref Npow2); RevInd = RevIndex.Create(NN, Npow2); ExpTbl = ExpTable.Create(NN); int Nd2 = NN >> 1; ExpTblRev = new Complex[Nd2]; for (int i = 0; i < Nd2; i++) { ExpTblRev[i] = ExpTbl[RevInd[i] >> 1]; } tmp1 = new Complex[NN]; tmp2 = new Complex[NN]; }