From aa4d729e484807421a0334b9e0a6295f47424fb1 Mon Sep 17 00:00:00 2001
From: tetrisplusplus <shinji.ipad123@icloud.com>
Date: Mon, 23 Jan 2023 21:05:35 +0900
Subject: [PATCH] Added test_isOrthogonal for zero matrix

---
 test/gtx/gtx_matrix_query.cpp | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/test/gtx/gtx_matrix_query.cpp b/test/gtx/gtx_matrix_query.cpp
index 0dda1f09..744d3e58 100644
--- a/test/gtx/gtx_matrix_query.cpp
+++ b/test/gtx/gtx_matrix_query.cpp
@@ -45,8 +45,14 @@ int test_isOrthogonal()
 {
 	int Error(0);
 
-	bool TestA = glm::isOrthogonal(glm::mat4(1), 0.00001f);
-	Error += TestA ? 0 : 1;
+	{
+		bool TestA = glm::isOrthogonal(glm::mat4(1), 0.00001f);
+		Error += TestA ? 0 : 1;
+	}
+	{
+		bool TestA = glm::isOrthogonal(glm::mat4(0), 0.00001f);
+		Error += TestA ? 1 : 0;
+	}
 
 	return Error;
 }