From b0b7d7229aadd4ce3fd5b2e5c4e92fac96ede109 Mon Sep 17 00:00:00 2001
From: Matthias Grob <maetugr@gmail.com>
Date: Tue, 17 Sep 2019 07:41:49 +0200
Subject: [PATCH] Multiplication test: fix division resulting in NAN

---
 test/matrixMult.cpp | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/test/matrixMult.cpp b/test/matrixMult.cpp
index 5dd0d329ff..660db72f95 100644
--- a/test/matrixMult.cpp
+++ b/test/matrixMult.cpp
@@ -27,7 +27,17 @@ int main()
     Matrix3f C_check = eye<float, 3>()*2;
     TEST(isEqual(B, B_check));
     Matrix3f C = B_check.edivide(C_check);
-    TEST(isEqual(C, C_check));
+
+    // off diagonal are NANs because division by 0
+    for (size_t i = 0; i < 3; i++) {
+        for (size_t j = 0; j < 3; j++) {
+            if (i == j) {
+                TEST(isEqualF(C(i,j), 2.f));
+            } else {
+                TEST(isnan(C(i,j)));
+            }
+        }
+    }
 
     // Test non-square matrix
     float data_43[12] = {1,3,2,