From dcbf104bccec39e955ab84c76bf1d96beaa31aa1 Mon Sep 17 00:00:00 2001
From: Benoit Jacob <jacob.benoit.1@gmail.com>
Date: Wed, 27 Jan 2010 07:48:48 -0500
Subject: [PATCH] add EIGEN_DEFAULT_TO_ROW_MAJOR cmake option for the tests.

---
 cmake/EigenTesting.cmake | 6 ++++++
 test/CMakeLists.txt      | 5 +++++
 2 files changed, 11 insertions(+)

diff --git a/cmake/EigenTesting.cmake b/cmake/EigenTesting.cmake
index 4d02a470a..8830eef4e 100644
--- a/cmake/EigenTesting.cmake
+++ b/cmake/EigenTesting.cmake
@@ -148,6 +148,12 @@ macro(ei_testing_print_summary)
   message("Enabled backends:  ${EIGEN_TESTED_BACKENDS}")
   message("Disabled backends: ${EIGEN_MISSING_BACKENDS}")
 
+  if(EIGEN_DEFAULT_TO_ROW_MAJOR)
+    message("Default order:     Row-major")
+  else()
+    message("Default order:     Column-major")
+  endif()
+
   if(EIGEN_TEST_SSE2)
     message("SSE2:              ON")
   else()
diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index 6dd0d6916..1177db797 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -5,6 +5,11 @@ add_dependencies(check buildtests)
 
 option(EIGEN_SPLIT_LARGE_TESTS "Split large tests into smaller executables" ON)
 
+option(EIGEN_DEFAULT_TO_ROW_MAJOR "Use row-major as default matrix storage order" OFF)
+if(EIGEN_DEFAULT_TO_ROW_MAJOR)
+  add_definitions("-DEIGEN_DEFAULT_TO_ROW_MAJOR")
+endif()
+
 find_package(GSL)
 if(GSL_FOUND AND GSL_VERSION_MINOR LESS 9)
   set(GSL_FOUND "")