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abort if the factor will become to bigger

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This commit is contained in:
Tiago Gomes 2012-04-30 12:48:30 +01:00
parent 85fc4ae50a
commit fa8ff6d5b6
1 changed files with 7 additions and 0 deletions
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7
packages/CLPBN/clpbn/bp/Factor.h
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@ -90,6 +90,13 @@ class TFactor
for (unsigned i = 0; i < g_args.size(); i++) {
int idx = indexOf (g_args[i]);
if (idx == -1) {
Params::size_type newSize = params_.size() * g_ranges[i];
if (newSize > Util::maxUnsigned()) {
// factor will become to bigger, is not worth to continue
cerr << "error: an overflow occurred when performing expansion" ;
cerr << endl;
abort();
}
insertArgument (g_args[i], g_ranges[i]);
gvarpos.push_back (args_.size() - 1);
} else {