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Preparing for next version of CTDB

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chudov
2011-10-27 20:50:11 +00:00
parent 2299e5f920
commit b84f1de118
9 changed files with 154 additions and 355 deletions
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CUETools.Parity/Galois.cs
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18
CUETools.Parity/Parity2Syndrome.cs
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@@ -39,6 +39,16 @@ namespace CUETools.Parity
erasure_diff = Galois16.instance.gfdiff(erasure_loc_pol);
}
public static unsafe string ToBase64String(ushort[,] inArray, int offset, int length)
{
var outBuf = new byte[inArray.GetLength(1) * length * 2];
fixed (ushort* inPtr = &inArray[offset, 0])
fixed (byte* outPtr = outBuf)
for (int i = 0; i < inArray.GetLength(1) * length; i++)
((ushort*)outPtr)[i] = inPtr[i];
return Convert.ToBase64String(outBuf);
}
public static unsafe byte[] Syndrome2Parity(ushort[,] syndrome, byte[] parity = null)
{
var stride = syndrome.GetLength(0);
@@ -65,14 +75,6 @@ namespace CUETools.Parity
return syndrome;
}
public static unsafe byte[] Parity2SyndromeBytes(int stride, int npar, int npar2, byte[] parity)
{
var syndrome = new byte[stride * npar * 2];
fixed (byte* pbpar = parity, psyn = syndrome)
Parity2Syndrome((ushort*)pbpar, (ushort*)psyn, stride, npar, npar2);
return syndrome;
}
public static unsafe void Parity2Syndrome(ushort *ppar, ushort *psyn, int stride, int npar, int npar2)
{
if (npar > npar2)