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Check for invalid surface IDs in region expression

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This commit is contained in:
Paul Romano 2018-12-18 23:13:18 -06:00
parent f9b74bd141
commit 443fc9e074
1 changed files with 6 additions and 1 deletions
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7
src/cell.cpp
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@ -318,7 +318,12 @@ CSGCell::CSGCell(pugi::xml_node cell_node)
// Convert user IDs to surface indices.
for (auto& r : region_) {
if (r < OP_UNION) {
r = copysign(model::surface_map[abs(r)] + 1, r);
const auto& it {model::surface_map.find(abs(r))};
if (it == model::surface_map.end()) {
throw std::runtime_error{"Invalid surface ID " + std::to_string(abs(r))
+ " specified in region for cell " + std::to_string(id_) + "."};
}
r = copysign(it->second + 1, r);
}
}