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factor overflow will not happen with bp

This commit is contained in:
Tiago Gomes 2012-05-15 19:02:40 +01:00
parent 7ec4887e77
commit f4bca3ceea
1 changed files with 1 additions and 5 deletions
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6
packages/CLPBN/clpbn/bp/BpSolver.cpp
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@ -278,14 +278,10 @@ BpSolver::calculateFactor2VariableMsg (SpLink* link)
const SpLinkSet& links = ninf(src)->getLinks(); const SpLinkSet& links = ninf(src)->getLinks();
// calculate the product of messages that were sent // calculate the product of messages that were sent
// to factor `src', except from var `dst' // to factor `src', except from var `dst'
Params::size_type msgSize = 1; unsigned msgSize = 1;
for (unsigned i = 0; i < links.size(); i++) { for (unsigned i = 0; i < links.size(); i++) {
msgSize *= links[i]->getVariable()->range(); msgSize *= links[i]->getVariable()->range();
} }
if (msgSize > Util::maxUnsigned()) {
cout << "error: an overflow occurred when sending bp message" << endl;
abort();
}
unsigned repetitions = 1; unsigned repetitions = 1;
Params msgProduct (msgSize, LogAware::multIdenty()); Params msgProduct (msgSize, LogAware::multIdenty());
if (Globals::logDomain) { if (Globals::logDomain) {