public void EndlessLoopInTopDownCompute()
{
ScalarEncoder encoder = (ScalarEncoder)ScalarEncoder.GetBuilder()
.W(5)
.N(10)
.Forced(true)
.MinVal(0)
.MaxVal(100)
.Build();
encoder.TopDownCompute(new[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 });
}
public void TestDecodeAndResolution()
{
SetUp();
builder.Name("scalar");
InitSe();
double resolution = se.GetResolution();
StringBuilder @out = new StringBuilder();
for (double v = se.GetMinVal(); v < se.GetMaxVal(); v += (resolution / 4.0d))
{
int[] output = se.Encode(v);
DecodeResult decodedInFor = (DecodeResult)se.Decode(output, "");
Console.WriteLine(@out.Append("decoding ").Append(Arrays.ToString(output)).Append(" (").
Append(string.Format("{0}", v)).Append(")=> ").Append(se.DecodedToStr(decodedInFor)));
@out.Length = 0;
Map <string, RangeList> fieldsMapInFor = decodedInFor.GetFields();
Assert.AreEqual(1, fieldsMapInFor.Count);
RangeList ranges = new List <RangeList>(fieldsMapInFor.Values)[0];
Assert.AreEqual(1, ranges.Count);
Assert.AreEqual(ranges.GetRange(0).Min(), ranges.GetRange(0).Max(), 0);
Assert.IsTrue(ranges.GetRange(0).Min() - v < se.GetResolution());
EncoderResult topDown = se.TopDownCompute(output)[0];
Console.WriteLine("topdown => " + topDown);
Assert.IsTrue(Arrays.AreEqual(topDown.GetEncoding(), output));
Assert.IsTrue(Math.Abs(((double)topDown.Get(1)) - v) <= se.GetResolution() / 2);
//Test bucket support
int[] bucketIndices = se.GetBucketIndices(v);
Console.WriteLine("bucket index => " + bucketIndices[0]);
topDown = se.GetBucketInfo(bucketIndices)[0];
Assert.IsTrue(Math.Abs(((double)topDown.Get(1)) - v) <= se.GetResolution() / 2);
Assert.AreEqual(topDown.Get(1), se.GetBucketValues <double>(typeof(double)).ToArray()[bucketIndices[0]]);
Assert.AreEqual(topDown.Get(2), topDown.Get(1));
Assert.IsTrue(Arrays.AreEqual(topDown.GetEncoding(), output));
}
// -----------------------------------------------------------------------
// Test the input description generation on a large number, periodic encoder
SetUp();
builder.Name("scalar")
.W(3)
.Radius(1.5)
.MinVal(1.0)
.MaxVal(8.0)
.Periodic(true)
.Forced(true);
InitSe();
Console.WriteLine("\nTesting periodic encoder decoding, resolution of " + se.GetResolution());
//Test with a "hole"
int[] encoded = new[] { 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0 };
DecodeResult decoded = (DecodeResult)se.Decode(encoded, "");
Map <string, RangeList> fieldsMap = decoded.GetFields();
Assert.AreEqual(1, fieldsMap.Count);
Assert.AreEqual(1, decoded.GetRanges("scalar").Count);
Assert.AreEqual("7.5, 7.5", decoded.GetRanges("scalar").GetRange(0).ToString());
//Test with something wider than w, and with a hole, and wrapped
encoded = new[] { 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0 };
decoded = (DecodeResult)se.Decode(encoded, "");
fieldsMap = decoded.GetFields();
Assert.AreEqual(1, fieldsMap.Count);
Assert.AreEqual(2, decoded.GetRanges("scalar").Count);
Assert.AreEqual("7.5, 8.0", decoded.GetRanges("scalar").GetRange(0).ToString());
//Test with something wider than w, no hole
encoded = new[] { 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
decoded = (DecodeResult)se.Decode(encoded, "");
fieldsMap = decoded.GetFields();
Assert.AreEqual(1, fieldsMap.Count);
Assert.AreEqual(1, decoded.GetRanges("scalar").Count);
Assert.AreEqual(decoded.GetRanges("scalar").GetRange(0).ToString(), "1.5, 2.5");
//Test with 2 ranges
encoded = new[] { 1, 1, 1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0 };
decoded = (DecodeResult)se.Decode(encoded, "");
fieldsMap = decoded.GetFields();
Assert.AreEqual(1, fieldsMap.Count);
Assert.AreEqual(2, decoded.GetRanges("scalar").Count);
Assert.AreEqual(decoded.GetRanges("scalar").GetRange(0).ToString(), "1.5, 1.5");
Assert.AreEqual(decoded.GetRanges("scalar").GetRange(1).ToString(), "5.5, 6.0");
//Test with 2 ranges, 1 of which is narrower than w
encoded = new[] { 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0 };
decoded = (DecodeResult)se.Decode(encoded, "");
fieldsMap = decoded.GetFields();
Assert.AreEqual(1, fieldsMap.Count);
Assert.AreEqual(2, decoded.GetRanges("scalar").Count);
Assert.AreEqual(decoded.GetRanges("scalar").GetRange(0).ToString(), "1.5, 1.5");
Assert.AreEqual(decoded.GetRanges("scalar").GetRange(1).ToString(), "5.5, 6.0");
}