static void Example1D()
{
double[] input = new double[24];
Complex[] output = new Complex[input.GetLength(input.Rank - 1) / 2 + 1];
double[] inOut = new double[input.Length];
for (int i = 0; i < input.Length; i++)
{
input[i] = Math.Sin(i * 2 * Math.PI * 128 / input.Length);
}
using (var pinIn = new PinnedArray <double>(input))
using (var pinOut = new PinnedArray <Complex>(output))
using (var in1Out = new PinnedArray <double>(inOut))
{
Console.WriteLine(pinIn.GetLength(input.Rank - 1) / 2 + 1);
Console.WriteLine(pinOut.GetLength(input.Rank - 1));
Console.WriteLine(input.Length);
Console.WriteLine(output.Length);
DFT.FFT(pinIn, pinOut);
DFT.IFFT(pinOut, in1Out);
}
Console.WriteLine("Input");
for (int i = 0; i < input.Length; i++)
{
Console.WriteLine(Math.Sin(i * 2 * Math.PI * 128 / input.Length));
}
Console.WriteLine();
Console.WriteLine();
Console.WriteLine("output");
for (int i = 0; i < inOut.Length; i++)
{
Console.WriteLine(inOut[i] / input.Length);
}
}