void Histogram<KeyType>::build_histogram ()
{
// Build a local histogram
std::vector<unsigned int> local_hist (this->n_bins());
for (std::size_t b=0; b<this->n_bins(); b++)
local_hist[b] = this->local_bin_size(b);
// Add all the local histograms to get the global histogram
hist = local_hist;
CommWorld.sum(hist);
// All done!
}
void Histogram<KeyType,IdxType>::build_histogram ()
{
// Build a local histogram
std::vector<IdxType> local_hist (this->n_bins());
for (IdxType b=0; b<this->n_bins(); b++)
local_hist[b] = this->local_bin_size(b);
// Add all the local histograms to get the global histogram
hist = local_hist;
this->comm().sum(hist);
// All done!
}
