From 48756560ef5293761d3ccad191e6c4dcb33b3eb6 Mon Sep 17 00:00:00 2001
From: Luke Videckis <lukevideckis@gmail.com>
Date: Sun, 1 Dec 2024 04:25:27 -0600
Subject: [PATCH] Use array instead of vector in Matrix (#280)

---
 content/data-structures/Matrix.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/content/data-structures/Matrix.h b/content/data-structures/Matrix.h
index 642ef7ace..d5ee1f35b 100644
--- a/content/data-structures/Matrix.h
+++ b/content/data-structures/Matrix.h
@@ -6,7 +6,7 @@
  * Description: Basic operations on square matrices.
  * Usage: Matrix<int, 3> A;
  *  A.d = {{{{1,2,3}}, {{4,5,6}}, {{7,8,9}}}};
- *  vector<int> vec = {1,2,3};
+ *  array<int, 3> vec = {1,2,3};
  *  vec = (A^N) * vec;
  * Status: tested
  */
@@ -21,8 +21,8 @@ template<class T, int N> struct Matrix {
 			rep(k,0,N) a.d[i][j] += d[i][k]*m.d[k][j];
 		return a;
 	}
-	vector<T> operator*(const vector<T>& vec) const {
-		vector<T> ret(N);
+	array<T, N> operator*(const array<T, N>& vec) const {
+		array<T, N> ret{};
 		rep(i,0,N) rep(j,0,N) ret[i] += d[i][j] * vec[j];
 		return ret;
 	}