/// <summary>
/// Returns the sum squared difference between this hash and the other hash.
/// </summary>
/// <param name="other">The <see cref="ChannelPerceptualHash"/> to get the distance of.</param>
/// <returns>The sum squared difference between this hash and the other hash.</returns>
public double SumSquaredDistance(IChannelPerceptualHash other)
{
Throw.IfNull(nameof(other), other);
var ssd = 0.0;
for (int i = 0; i < 7; i++)
{
ssd += (_srgbHuPhash[i] - other.SrgbHuPhash(i)) * (_srgbHuPhash[i] - other.SrgbHuPhash(i));
ssd += (_hclpHuPhash[i] - other.HclpHuPhash(i)) * (_hclpHuPhash[i] - other.HclpHuPhash(i));
}
return(ssd);
}
private void TestChannel(IChannelPerceptualHash channel, int index, double srgbHuPhashWithOpenCL, double srgbHuPhashWithoutOpenCL, double hclpHuPhashWithOpenCL, double hclpHuPhashWithoutOpenCL)
{
OpenCLValue.Assert(srgbHuPhashWithOpenCL, srgbHuPhashWithoutOpenCL, channel.SrgbHuPhash(index), 0.0001);
OpenCLValue.Assert(hclpHuPhashWithOpenCL, hclpHuPhashWithoutOpenCL, channel.HclpHuPhash(index), 0.0001);
}
