public void SimpleCountableHashTest()
{
var o = BigInteger.One;
var c = FeatureUtil.makeFullCVR(1, 1, 1, 1, 1, 1, 1);
var bvbi = o | (o << 1) | (o << 2) | (o << 3) | (o << 4) | (o << (20 * 5)) | (o << (20 * 5 + 1));
var bv = UInt128.FromBigInteger(bvbi);
var bv_is = LSHCalc.h7(c);
Assert.AreEqual(bv, bv_is);
}
public void LessSimpleHashTest()
{
var x = 37; // 100101
var y = 21; // 010101
var z = 16777215; // 111111111111111111111111
var bv = 18446742974197925427UL; // 111111111111111111111111000000000000000000000000000011000110011
var bv_is = LSHCalc.hashi(x, y, z);
Assert.AreEqual(bv, bv_is);
}
public void HashesShouldNotCollideTest()
{
var r1 = Countable.NewFullCVectorResultant(7, 9, 7, 14, 0, 0, 0);
var r2 = Countable.NewFullCVectorResultant(3, 9, 7, 14, 0, 0, 0);
var lsh1 = LSHCalc.h7(r1);
var lsh2 = LSHCalc.h7(r2);
Assert.AreNotEqual(lsh1, lsh2);
}
public void SimpleHashTest()
{
var x = 1;
var y = 1;
var z = 1;
var bv = Convert.ToUInt64(0x10000000003);
var bv_is = LSHCalc.hashi(x, y, z);
Assert.AreEqual(bv, bv_is);
}
