public static int xorPack(
int[] inBuf, int inOff, int[] outBuf, int outOff, int validBits, int context, int[] work) {
work[0] = inBuf[inOff] ^ context;
for (int i = 1, p = inOff + 1; i < 32; ++i, ++p) {
work[i] = inBuf[p] ^ inBuf[p - 1];
}
if (DEBUG_DISABLE_BITPACKING) {
for (int i = 0; i < 32; ++i) {
outBuf[outOff + i] = work[i];
}
} else {
BitPacking.fastpackwithoutmask(work, 0, outBuf, outOff, validBits);
}
return validBits;
}
public static int xorUnpack(
int[] inBuf, int inOff, int[] outBuf, int outOff, int validBits, int context, int[] work) {
if (DEBUG_DISABLE_BITPACKING) {
for (int i = 0; i < 32; ++i) {
work[i] = inBuf[inOff + i];
}
} else {
BitPacking.fastunpack(inBuf, inOff, work, 0, validBits);
}
outBuf[outOff] = context = work[0] ^ context;
for (int i = 1, p = outOff + 1; i < 32; ++i, ++p) {
outBuf[p] = context = work[i] ^ context;
}
return validBits;
}
