prevent underflow when not enough material is available to make a pac…

…kagable bid
cyclus · Aug 16, 2024 · c5d8732 · c5d8732
1 parent dce0237
commit c5d8732
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Showing 2 changed files with 5 additions and 2 deletions.
diff --git a/CHANGELOG.rst b/CHANGELOG.rst
@@ -7,7 +7,7 @@ Since last release
 
 **Added:**
 * Added package parameter to storage (#603, #612, #616)
-* Added package parameter to source (#613, #617)
+* Added package parameter to source (#613, #617, #621)
 * Added default keep packaging to reactor (#618, #619)
 
 **Changed:**

diff --git a/src/source.cc b/src/source.cc
@@ -103,7 +103,10 @@ std::set<cyclus::BidPortfolio<cyclus::Material>::Ptr> Source::GetMatlBids(
 
     // calculate packaging
     double bid_qty = context()->GetPackage(package)->GetFillMass(qty);
-    int n_full_bids = static_cast<int>(std::floor(qty / bid_qty));
+    int n_full_bids = 0;
+    if (bid_qty >= context()->GetPackage(package)->fill_min()) {
+      n_full_bids = static_cast<int>(std::floor(qty / bid_qty));
+    }
     Package::ExceedsSplitLimits(n_full_bids);
 
     std::vector<double> bids;