// Token: 0x06000004 RID: 4 RVA: 0x000021C4 File Offset: 0x000003C4
static ImageHasher()
{
for (int i = 0; i < 256; i++)
{
ImageHasher.BitCounts8[i] = (byte)ImageHasher.CountSetBits(i);
}
for (int j = 0; j < 65536; j++)
{
int num = 0;
for (int k = j; k > 0; k >>= 8)
{
num += (int)ImageHasher.BitCounts8[k & 255];
}
ImageHasher.BitCounts16[j] = (ushort)num;
}
}
// Token: 0x06000008 RID: 8 RVA: 0x000022DB File Offset: 0x000004DB
public static double ComputeSimilarity(ulong hash1, ulong hash2)
{
return((double)(64 - ImageHasher.ComputeHammingDistance(hash1, hash2)) * 0.015625);
}
// Token: 0x06000005 RID: 5 RVA: 0x00002244 File Offset: 0x00000444
private static int CountSetBits(int n)
{
return(ImageHasher.CountSetBits((ulong)((long)n)));
}