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amg4psblas/amgprec/impl/aggregator/extractUChunk.cpp

31 lines
799 B
C++

#include "MatchBoxPC.h"
void extractUChunk(
vector<MilanLongInt> &UChunkBeingProcessed,
vector<MilanLongInt> &U,
vector<MilanLongInt> &privateU)
{
UChunkBeingProcessed.clear();
#pragma omp critical(U)
{
if (U.empty() && !privateU.empty()) // If U is empty but there are nodes in private U
{
while (!privateU.empty())
UChunkBeingProcessed.push_back(privateU.back());
privateU.pop_back();
}
else
{
for (int i = 0; i < UCHUNK; i++)
{ // Pop the new nodes
if (U.empty())
break;
UChunkBeingProcessed.push_back(U.back());
U.pop_back();
}
}
} // End of critical U // End of critical U
}