From 0498c773278ec81c49b02261f8bb6f00a90aa73b Mon Sep 17 00:00:00 2001
From: Dmitri Naumov <github@naumov.de>
Date: Fri, 9 Jun 2017 11:14:21 +0200
Subject: [PATCH] Remove eigen zero matrix init. NaN for Debug.
Not setting the matrices to zero saves few cycles.
Setting them to NaN in Debug build helps finding
uninitialized matrices.
---
CMakeLists.txt | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/CMakeLists.txt b/CMakeLists.txt
index c8523e8f207..afc39bb6817 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -182,7 +182,10 @@ if(OGS_USE_MPI)
endif()
# Eigen
-add_definitions(-DEIGEN_INITIALIZE_MATRICES_BY_ZERO) # TODO check if needed
+if(CMAKE_BUILD_TYPE STREQUAL "Debug")
+ add_definitions(-DEIGEN_INITIALIZE_MATRICES_BY_NAN)
+endif()
+
if (EIGEN_NO_DEBUG)
add_definitions(-DEIGEN_NO_DEBUG)
endif()
--
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