本文整理汇总了C++中PRNG::get_word方法的典型用法代码示例。如果您正苦于以下问题：C++ PRNG::get_word方法的具体用法？C++ PRNG::get_word怎么用？C++ PRNG::get_word使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类PRNG的用法示例。
在下文中一共展示了PRNG::get_word方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: transfer
void OTExtensionWithMatrix::transfer(int nOTs,
const BitVector& receiverInput)
{
#ifdef OTEXT_TIMER
timeval totalstartv, totalendv;
gettimeofday(&totalstartv, NULL);
#endif
cout << "\tDoing " << nOTs << " extended OTs as " << role_to_str(ot_role) << endl;
if (nOTs % nbaseOTs != 0)
throw invalid_length(); //"nOTs must be a multiple of nbaseOTs\n");
if (nOTs == 0)
return;
// add k + s to account for discarding k OTs
nOTs += 2 * 128;
int slice = nOTs / nsubloops / 128;
BitMatrix t1(nOTs), u(nOTs);
senderOutputMatrices.resize(2, BitMatrix(nOTs));
// resize to account for extra k OTs that are discarded
PRNG G;
G.ReSeed();
BitVector newReceiverInput(nOTs);
for (unsigned int i = 0; i < receiverInput.size_bytes(); i++)
{
newReceiverInput.set_byte(i, receiverInput.get_byte(i));
}
//BitVector newReceiverInput(receiverInput);
newReceiverInput.resize(nOTs);
receiverOutputMatrix.resize(nOTs);
for (int loop = 0; loop < nloops; loop++)
{
// randomize last 128 + 128 bits that will be discarded
for (int i = 0; i < 4; i++)
newReceiverInput.set_word(nOTs/64 - i, G.get_word());
// subloop for first part to interleave communication with computation
for (int start = 0; start < nOTs / 128; start += slice)
{
vector<octetStream> os(2);
BitMatrixSlice receiverOutputSlice(receiverOutputMatrix, start, slice);
BitMatrixSlice senderOutputSlices[2] = {
BitMatrixSlice(senderOutputMatrices[0], start, slice),
BitMatrixSlice(senderOutputMatrices[1], start, slice)
};
BitMatrixSlice t1Slice(t1, start, slice);
BitMatrixSlice uSlice(u, start, slice);
// expand with PRG and create correlation
if (ot_role & RECEIVER)
{
for (int i = 0; i < nbaseOTs; i++)
{
receiverOutputSlice.randomize(i, G_sender[i][0]);
t1Slice.randomize(i, G_sender[i][1]);
}
t1Slice ^= receiverOutputSlice;
t1Slice ^= newReceiverInput;
t1Slice.pack(os[0]);
// t1 = receiverOutputMatrix;
// t1 ^= newReceiverInput;
// receiverOutputMatrix.print_side_by_side(t1);
}
#ifdef OTEXT_TIMER
timeval commst1, commst2;
gettimeofday(&commst1, NULL);
#endif
// send t0 + t1 + x
send_if_ot_receiver(player, os, ot_role);
// sender adjusts using base receiver bits
if (ot_role & SENDER)
{
for (int i = 0; i < nbaseOTs; i++)
// randomize base receiver output
senderOutputSlices[0].randomize(i, G_receiver[i]);
// u = t0 + t1 + x
uSlice.unpack(os[1]);
senderOutputSlices[0].conditional_xor(baseReceiverInput, u);
}
#ifdef OTEXT_TIMER
gettimeofday(&commst2, NULL);
#ifdef VERBOSE
double commstime = timeval_diff(&commst1, &commst2);
cout << "\t\tCommunication took time " << commstime/1000000 << endl << flush;
#endif
times["Communication"] += timeval_diff(&commst1, &commst2);
#endif
// transpose t0[i] onto receiverOutput and tmp (q[i]) onto senderOutput[i][0]
#ifdef VERBOSE
cout << "Starting matrix transpose\n" << flush << endl;
#endif
//.........这里部分代码省略.........