From: Daniel Arndt <daniel.arndt@iwr.uni-heidelberg.de>
Date: Sat, 18 Mar 2017 14:41:28 +0000 (+0100)
Subject: Make errors more descriptive
X-Git-Tag: v8.5.0-rc1~23^2~1
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d8cd5731d97f7e0a0a38307ea8de7afbe37373e8;p=dealii.git

Make errors more descriptive
---

diff --git a/include/deal.II/lac/exceptions.h b/include/deal.II/lac/exceptions.h
index cff07a0e12..ee51a42b38 100644
--- a/include/deal.II/lac/exceptions.h
+++ b/include/deal.II/lac/exceptions.h
@@ -30,7 +30,8 @@ namespace LACExceptions
   /**
    * This function only works for quadratic matrices.
    */
-  DeclException0 (ExcNotQuadratic);
+  DeclExceptionMsg (ExcNotQuadratic,
+                    "This function only works for quadratic objects!");
 
   /**
    * The operation cannot be finished since the matrix is singular.