public void TransposeInto()
{
float[] expected = Create8x8FloatData();
ReferenceImplementations.Transpose8x8(expected);
Block8x8F source = new Block8x8F();
source.LoadFrom(Create8x8FloatData());
Block8x8F dest = new Block8x8F();
source.TransposeInto(ref dest);
float[] actual = new float[64];
dest.CopyTo(actual);
Assert.Equal(expected, actual);
}
public void FDCT8x4_RightPart(int seed)
{
var src = Create8x8RandomFloatData(-200, 200, seed);
var srcBlock = new Block8x8F();
srcBlock.LoadFrom(src);
var destBlock = new Block8x8F();
var expectedDest = new MutableSpan <float>(64);
ReferenceImplementations.fDCT2D8x4_32f(src.Slice(4), expectedDest.Slice(4));
DCT.FDCT8x4_RightPart(ref srcBlock, ref destBlock);
var actualDest = new MutableSpan <float>(64);
destBlock.CopyTo(actualDest);
Assert.Equal(actualDest.Data, expectedDest.Data, new ApproximateFloatComparer(1f));
}
public void TransformFDCT(int seed)
{
var src = Create8x8RandomFloatData(-200, 200, seed);
var srcBlock = new Block8x8F();
srcBlock.LoadFrom(src);
var destBlock = new Block8x8F();
var expectedDest = new MutableSpan <float>(64);
var temp1 = new MutableSpan <float>(64);
var temp2 = new Block8x8F();
ReferenceImplementations.fDCT2D_llm(src, expectedDest, temp1, downscaleBy8: true);
DCT.TransformFDCT(ref srcBlock, ref destBlock, ref temp2, false);
var actualDest = new MutableSpan <float>(64);
destBlock.CopyTo(actualDest);
Assert.Equal(actualDest.Data, expectedDest.Data, new ApproximateFloatComparer(1f));
}
public void iDCT2D8x4_RightPart()
{
MutableSpan <float> sourceArray = Create8x8FloatData();
MutableSpan <float> expectedDestArray = new float[64];
ReferenceImplementations.iDCT2D8x4_32f(sourceArray.Slice(4), expectedDestArray.Slice(4));
Block8x8F source = new Block8x8F();
source.LoadFrom(sourceArray);
Block8x8F dest = new Block8x8F();
DCT.IDCT8x4_RightPart(ref source, ref dest);
float[] actualDestArray = new float[64];
dest.CopyTo(actualDestArray);
this.Print8x8Data(expectedDestArray);
this.Output.WriteLine("**************");
this.Print8x8Data(actualDestArray);
Assert.Equal(expectedDestArray.Data, actualDestArray);
}