X-Git-Url: https://bilbo.iut-bm.univ-fcomte.fr/and/gitweb/loba.git/blobdiff_plain/10e5dbdfc7cf72a000a90a2f1a27c7dc30364761..eeacc47e3671f4196e6ede422415d636ffa30e98:/deployment.cpp diff --git a/deployment.cpp b/deployment.cpp index 8f52806..0b30423 100644 --- a/deployment.cpp +++ b/deployment.cpp @@ -63,6 +63,27 @@ void deployment_generator::distribute_load() std::accumulate(loads.begin(), loads.end(), 0.0); std::transform(loads.begin(), loads.end(), loads.begin(), std::bind(std::multiplies(), _1, factor)); + if (opt::integer_transfer) { + double iload; + double residue = 0.0; + unsigned i; + for (i = 0 ; i < hosts.size() - 1; ++i) { + if (residue < 0.0) + iload = floor(loads[i]); + else if (residue > 0.0) + iload = ceil(loads[i]); + else // residue == 0.0 + iload = round(loads[i]); + residue += (loads[i] - iload); + loads[i] = iload; + } + // abs(round(...)) to avoid rounding errors, or a value of -0 + iload = abs(round(loads[i] + residue)); // i == hosts.size() - 1 + loads[i] = iload; + // final sanity check + xbt_assert(opt::auto_depl::load == + std::accumulate(loads.begin(), loads.end(), 0.0)); + } for (unsigned i = 0 ; i < hosts.size() ; ++i) set_load(i, loads[i]); }