From c7331ebb067aeb8171bc65e4d3b6b187389d636a Mon Sep 17 00:00:00 2001
From: Gael Guennebaud <g.gael@free.fr>
Date: Thu, 21 Aug 2014 22:14:25 +0200
Subject: [PATCH] Do not apply the preconditioner before starting the
 iterations as this might destroy a very good initial guess. (grafted from
 b49ef99617b11404007db283ce68f5dd5b2eff0e )

---
 Eigen/src/IterativeLinearSolvers/BiCGSTAB.h | 1 -
 1 file changed, 1 deletion(-)

diff --git a/Eigen/src/IterativeLinearSolvers/BiCGSTAB.h b/Eigen/src/IterativeLinearSolvers/BiCGSTAB.h
index 2b9fb7f88..5262c173b 100644
--- a/Eigen/src/IterativeLinearSolvers/BiCGSTAB.h
+++ b/Eigen/src/IterativeLinearSolvers/BiCGSTAB.h
@@ -39,7 +39,6 @@ bool bicgstab(const MatrixType& mat, const Rhs& rhs, Dest& x,
   int maxIters = iters;
 
   int n = mat.cols();
-  x = precond.solve(x);
   VectorType r  = rhs - mat * x;
   VectorType r0 = r;