From 1ec58eb24e9e76742f5718aabb62217631e3f75e Mon Sep 17 00:00:00 2001
From: Christopher Subich <csubich@uwaterloo.ca>
Date: Wed, 2 Oct 2013 14:40:00 -0400
Subject: [PATCH] Experiment with tighter tolerance for zero-SV in GMRES
---
src/gmres.hpp | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/gmres.hpp b/src/gmres.hpp
index d485959..692d461 100644
--- a/src/gmres.hpp
+++ b/src/gmres.hpp
@@ -218,7 +218,7 @@ template <class Controller> class GMRES_Solver {
/* Constants for the LAPACK call */
int LDA = num_its+1, LDB = num_its + 1, NRHS = 1, INFO = 0;
int RANK;
- double RCOND = 1e-6;
+ double RCOND = 1e-9;
if (!lapack_workspace) {
assert(!lapack_iworkspace); // Assert that we're not leaking the iworkspace
--
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