From 172f66fec79d6272ddbf832ef0bc7257494a0b05 Mon Sep 17 00:00:00 2001
From: kradchen <chenjuijun@realcan.cn>
Date: Tue, 16 May 2023 11:39:19 +0800
Subject: [PATCH] Add const operator[] to Matrix.

---
 src/Matrix.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/Matrix.cpp b/src/Matrix.cpp
index 0f74365..d06bf4e 100644
--- a/src/Matrix.cpp
+++ b/src/Matrix.cpp
@@ -471,6 +471,8 @@ namespace Aurora {
     }
 
     double& Matrix::operator[](size_t index) { return getData()[index];}
+    double Matrix::operator[](size_t index) const { return getData()[index];}
+
 
     void Matrix::printf() {
         if(isNull())