public void testEncodeDecodeMod3Sves()
{
Random rng = new Random();
byte[] data = new byte[180];
rng.NextBytes(data);
int[] coeffs = ArrayEncoder.DecodeMod3Sves(data, 960);
byte[] data2 = ArrayEncoder.EncodeMod3Sves(coeffs);
Assert.True(data.SequenceEqual(data2));
}
private void EncodeDecodeMod3Sves()
{
Random rng = new Random();
bool[] skip = new bool[] { true, false };
foreach (bool skipFirst in skip)
{
for (int i = 0; i < 10; i++)
{
int N = (rng.Next(1000) + 100) * 16;
byte[] data = new byte[N * 3 / 16];
rng.NextBytes(data);
data[data.Length - 1] = 0;
int[] coeffs = ArrayEncoder.DecodeMod3Sves(data, N, skipFirst);
byte[] data2 = ArrayEncoder.EncodeMod3Sves(coeffs, skipFirst);
if (!Compare.AreEqual(data, data2))
{
throw new Exception("ArrayEncoder EncodeDecodeMod3Sves test failed!");
}
}
}
}
/**
* Decodes a byte array to a polynomial with <code>N</code> ternary coefficients<br>
* Ignores any excess bytes.
*
* @param data an encoded ternary polynomial
* @param N number of coefficients
* @return the decoded polynomial
*/
public static IntegerPolynomial FromBinary3Sves(byte[] data, int N)
{
return(new IntegerPolynomial(ArrayEncoder.DecodeMod3Sves(data, N)));
}