From 2451da7b3ed69314fd8f36a1029b11a308b7f775 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marek=20Ne=C4=8Dada?= <marek.necada@aalto.fi>
Date: Thu, 20 Jul 2017 15:57:36 +0300
Subject: [PATCH] Additional test, exception output

Former-commit-id: f976b87dae8c38dcfdd810b187fd0089a8287667
---
 qpms/lattices2d.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/qpms/lattices2d.py b/qpms/lattices2d.py
index a2f915b..8e3768c 100644
--- a/qpms/lattices2d.py
+++ b/qpms/lattices2d.py
@@ -245,7 +245,7 @@ def change_basis(srcbasis, destbasis, srccoords, srccoordsaxis=-1, lattice=True)
         trmatrix = np.round(trmatrix)
         if not np.all(np.isclose(trmatrix, otrmatrix)):
             raise ValueError("Given srcbasis and destbasis are not bases" 
-                "of the same lattice", srcbasis, destbasis)
+                "of the same lattice", srcbasis, destbasis, trmatrix-otrmatrix)
     destcoords = np.tensordot(srccoords, trmatrix, axes=(srccoordsaxis, -1))
     return destcoords