OcdEncoder::OcdEncoder(const uint8_t *inputBuffer,
uint32_t inputBufferSize,
uint32_t blockSize,
uint32_t q,
double epsilon) {
mRhoList.clear();
mBlockSize = blockSize;
mQ = q;
SetEpsilon(epsilon);
/* Calculate total memory, including auxiliary blocks */
mNumberOfSourceBlocks = ((inputBufferSize + mBlockSize - 1)/mBlockSize);
mNumberOfAuxiliaryBlocks = mNumberOfSourceBlocks*(mQ*mEpsilon*0.55);
mNumberOfIntermediateBlocks = mNumberOfSourceBlocks + mNumberOfAuxiliaryBlocks;
/* Redirect source data */
mSourceBuffer.buffer = (uint8_t *)inputBuffer;
mSourceBuffer.bufferSize = inputBufferSize;
/* Allocate required memory */
mIntermediateBuffer.bufferSize = mNumberOfIntermediateBlocks*mBlockSize;
mIntermediateBuffer.buffer = (uint8_t *) malloc(sizeof(uint8_t)*mIntermediateBuffer.bufferSize);
/* Copy source data to intermediate data, and fill remaining space */
memcpy(mIntermediateBuffer.buffer, inputBuffer, inputBufferSize);
memset((mIntermediateBuffer.buffer) + inputBufferSize, 0, mIntermediateBuffer.bufferSize - inputBufferSize);
PreEncode();
}
OcdDecoder::OcdDecoder(uint32_t dataSize, uint32_t blockSize, uint32_t q, double epsilon) {
mRhoList.clear();
mBlockStatus.clear();
if((mBlockSolution = (uint8_t *) malloc(sizeof(uint8_t)*mBlockSize)) == NULL) {
fprintf(stderr, "Error allocating memory\n");
return;
}
mBlockSize = blockSize;
mQ = q;
SetEpsilon(epsilon);
PreDecode(dataSize);
}
void SIAM::SetUTepsilon(double U, double T, double epsilon)
{
SetU(U);
SetT(T);
SetEpsilon(epsilon);
}
