# MutantHub mutant #2697: Arithmetic operator mutation at field_5x52_impl.h:396
# Repository: bitcoin-core/secp256k1 @ a39093de15345a330fc8acbd09515fd150853bc8
# File: src/field_5x52_impl.h:396-396
# Review: APPROVED; outcome: KILLED
--- a/src/field_5x52_impl.h
+++ b/src/field_5x52_impl.h
@@ -396,1 +396,1 @@
-    r->n[3] = (t3 >> 1) + ((t4 & one) << 51);
+    r->n[3] = (t3 >> 1) - ((t4 & one) << 51);