From 7b1de22eee4ebd0aef352c3b88872c65aceb2ee0 Mon Sep 17 00:00:00 2001
From: "Dmitry Yu. Naumov" <github@naumov.de>
Date: Sat, 19 Sep 2015 00:49:29 +0000
Subject: [PATCH] [MaL] Compress eigen matrix before solve.
---
MathLib/LinAlg/Eigen/EigenLinearSolver.cpp | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/MathLib/LinAlg/Eigen/EigenLinearSolver.cpp b/MathLib/LinAlg/Eigen/EigenLinearSolver.cpp
index 3c66f5cef42..5c70304f827 100644
--- a/MathLib/LinAlg/Eigen/EigenLinearSolver.cpp
+++ b/MathLib/LinAlg/Eigen/EigenLinearSolver.cpp
@@ -37,6 +37,8 @@ public:
void solve(EigenVector::RawVectorType &b, EigenVector::RawVectorType &x, EigenOption &/*opt*/) override
{
INFO("-> solve");
+ if (!_A.isCompressed())
+ _A.makeCompressed();
_solver.compute(_A);
if(_solver.info()!=Eigen::Success) {
ERR("Failed during Eigen linear solver initialization");
@@ -70,6 +72,8 @@ public:
INFO("-> solve");
_solver.setTolerance(opt.error_tolerance);
_solver.setMaxIterations(opt.max_iterations);
+ if (!_A.isCompressed())
+ _A.makeCompressed();
_solver.compute(_A);
if(_solver.info()!=Eigen::Success) {
ERR("Failed during Eigen linear solver initialization");
--
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