public static void Transform(uint bits, ComplexFloat[] data, Direction direction) { FPGA.Const <uint> n = GeneratorTools.ArrayLength(bits); FPGA.Const <float> nFloat = GeneratorTools.FloatArrayLength(bits); uint mask = GeneratorTools.Mask(bits); ComplexFloat[] transformed = new ComplexFloat[data.Length]; float[] cosMap = GeneratorTools.CosArray(n, direction); var tmp = new ComplexFloat(); // for each destination element for (uint i = 0; i < n; i++) { tmp.Re = 0.0f; tmp.Im = 0.0f; // sum source elements for (uint j = 0; j < n; j++) { ComplexFloat source = new ComplexFloat(); source = data[j]; FTTools.RotateAndAdd(cosMap, bits, ref source, ref tmp, i * j); } transformed[i] = tmp; } FTTools.CopyAndNormalize(bits, transformed, data, direction, ref tmp); }
public void Mask16bits() { Assert.AreEqual(65535u, GeneratorTools.Mask(16)); }
public void Mask10bits() { Assert.AreEqual(1023u, GeneratorTools.Mask(10)); }