1 files changed, 5 insertions, 0 deletions
diff --git a/test/math/linearRecurrence.cpp b/test/math/linearRecurrence.cpp
index 21a8a7c..8640980 100644
--- a/test/math/linearRecurrence.cpp
+++ b/test/math/linearRecurrence.cpp
@@ -1,6 +1,11 @@
 #include "../util.h"
+vector<ll> mul(const vector<ll>& a, const vector<ll>& b);
 #include <math/linearRecurrence.cpp>
 
+vector<ll> mul(const vector<ll>& a, const vector<ll>& b) {
+	return mulSlow(a, b);
+}
+
 struct RandomRecurence {
 	vector<ll> f, c, cache;
 	RandomRecurence(int n) : f(Random::integers<ll>(n, 0, mod)), c(Random::integers<ll>(n, 0, mod)), cache(f) {}