commit b75dac16943a6e3d39deb92e70c7f5df23092cc9
author Sergiu Deitsch <sergiu.deitsch@gmail.com> Sun Nov 14 13:20:19 2021 +0100
committer Sameer Agarwal <sameeragarwal@google.com> Mon Nov 15 18:34:34 2021 +0000
tree c5fdbb406d6489bad8238b487595ffcdd876cd21
parent 034bf566f0710a46aa6a0ea0383670ec70a68d83

fix abs jet test comment

The comment suggests a non-existing (incorrect) test. Update the comment
and extend the test.

Change-Id: I362f0b5a2e81d286b672476bdb4394ed20263eb1

internal/ceres/jet_test.cc

diff --git a/internal/ceres/jet_test.cc b/internal/ceres/jet_test.cc
index c6d2036..4718a20 100644
--- a/internal/ceres/jet_test.cc
+++ b/internal/ceres/jet_test.cc
@@ -479,7 +479,9 @@
     ExpectJetsClose(a, b);
   }
 
-  {  // Check that abs(-x * x) == sqrt(x * x).
+  {  // Check that abs(-x * x) == x * x.
+    ExpectJetsClose(abs(-x * x), x * x);
+    // Check that abs(-x) == sqrt(x * x).
     ExpectJetsClose(abs(-x), sqrt(x * x));
   }
   {