public void Result()
{
var accum = new ConvolutionAccumulator_Float(CellPassConsts.NullHeight, ConvolutionMaskSize.Mask3X3);
accum.Accumulate(123.0f, 1.0);
accum.Result().Should().Be(123.0f);
}
public void Accumulate_NoCoefficient()
{
var accum = new ConvolutionAccumulator_Float(CellPassConsts.NullHeight, ConvolutionMaskSize.Mask3X3);
accum.Accumulate(123.0f);
accum.Result().Should().Be(123.0f);
accum.NumNonNullValues.Should().Be(1);
accum.Accumulate(177.0f);
accum.Result().Should().Be(300.0f);
accum.NumNonNullValues.Should().Be(2);
accum.Accumulate(CellPassConsts.NullHeight);
accum.Result().Should().Be(300.0f);
accum.NumNonNullValues.Should().Be(2);
}
public void Accumulate_WithCoefficient()
{
var accum = new ConvolutionAccumulator_Float(CellPassConsts.NullHeight, ConvolutionMaskSize.Mask3X3)
{
ConvolutionSourceValue = 123.0f
};
accum.Accumulate(123.0f, 1.0);
accum.Result().Should().Be(123.0f);
accum.NumNonNullValues.Should().Be(1);
accum.Accumulate(100.0f, 0.1);
accum.Result().Should().Be(133.0f);
accum.NumNonNullValues.Should().Be(2);
accum.Accumulate(CellPassConsts.NullHeight, 0.1);
accum.Result().Should().Be(145.3f);
accum.NumNonNullValues.Should().Be(2);
}
public void Clear()
{
var accum = new ConvolutionAccumulator_Float(CellPassConsts.NullHeight, ConvolutionMaskSize.Mask3X3)
{
ConvolutionSourceValue = 123.0f
};
accum.Accumulate(123.0f, 1.0);
accum.Result().Should().Be(123.0f);
accum.Clear();
accum.Result().Should().Be(CellPassConsts.NullHeight);
accum.NumNonNullValues.Should().Be(0);
accum.ConvolutionSourceValue.Should().Be(CellPassConsts.NullHeight);
}
public void NullInfillResult_BelowConcensus(ConvolutionMaskSize contextSize)
{
const float accumValue = 100.0f;
var contextSizeAsInt = (int)contextSize;
var accum = new ConvolutionAccumulator_Float(CellPassConsts.NullHeight, contextSize)
{
ConvolutionSourceValue = CellPassConsts.NullHeight
};
var concensusFraction = (int)Math.Truncate(0.5 * (contextSizeAsInt * contextSizeAsInt));
for (var i = 0; i < concensusFraction; i++)
{
accum.Accumulate(accumValue, 1.0);
}
accum.NullInfillResult().Should().Be(CellPassConsts.NullHeight);
}
public void NullInfillResult_AboveConcensus(ConvolutionMaskSize contextSize)
{
const float accumValue = 100.0f;
var contextSizeAsInt = (int)contextSize;
var accum = new ConvolutionAccumulator_Float(CellPassConsts.NullHeight, contextSize)
{
ConvolutionSourceValue = CellPassConsts.NullHeight
};
float contextSizeSquare = contextSizeAsInt * contextSizeAsInt;
var concensusFraction = (int)Math.Truncate(0.5f * contextSizeSquare);
for (var i = 0; i < concensusFraction + 1; i++)
{
accum.Accumulate(accumValue, 1.0);
}
var expectedInfillResult = (contextSizeSquare / (concensusFraction + 1)) * ((concensusFraction + 1) * accumValue);
accum.NullInfillResult().Should().Be(expectedInfillResult);
}
