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-rw-r--r--util/bit53.lua2
1 files changed, 2 insertions, 0 deletions
diff --git a/util/bit53.lua b/util/bit53.lua
index 4b5c2e9c..06799a97 100644
--- a/util/bit53.lua
+++ b/util/bit53.lua
@@ -3,5 +3,7 @@ return {
band = function (a, b) return a & b end;
bor = function (a, b) return a | b end;
bxor = function (a, b) return a ~ b end;
+ rshift = function (a, n) return a >> n end;
+ lshift = function (a, n) return a << n end;
};