# MutantHub mutant #3370: Arithmetic operator mutation at script_patterns.ipp:469
# Repository: libbitcoin/libbitcoin-system @ 9fa0f9a07f31c5cc9ebe5efa05e6d4a6d12ba183
# File: include/bitcoin/system/impl/chain/script_patterns.ipp:469-469
# Review: APPROVED; outcome: KILLED
--- a/include/bitcoin/system/impl/chain/script_patterns.ipp
+++ b/include/bitcoin/system/impl/chain/script_patterns.ipp
@@ -469,1 +469,1 @@
-    const auto op_n = static_cast<opcode>(points.size() + base);
+    const auto op_n = static_cast<opcode>(points.size() - base);