From d9ca05ff37c14fb82ca48937df9fd74bc462a5f3 Mon Sep 17 00:00:00 2001
From: Gabriel Studer <gabriel.studer@unibas.ch>
Date: Sat, 2 Jul 2016 11:58:27 +0200
Subject: [PATCH] increase padding distance in density kernel

---
 .../platforms/reference/reference_density_kernels.cc            | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/modules/mol/mm/src/openmm_plugins/density_plugin/platforms/reference/reference_density_kernels.cc b/modules/mol/mm/src/openmm_plugins/density_plugin/platforms/reference/reference_density_kernels.cc
index aeefb1387..77edcd552 100644
--- a/modules/mol/mm/src/openmm_plugins/density_plugin/platforms/reference/reference_density_kernels.cc
+++ b/modules/mol/mm/src/openmm_plugins/density_plugin/platforms/reference/reference_density_kernels.cc
@@ -110,7 +110,7 @@ void ReferenceCalcDensityForceKernel::initialize(const System& system, const Den
   one_s_ = Real(1.0) / s_;
   square_one_s_ = Real(1.0) / (s_ * s_);
   one_sqrt_2_pi_s_ = Real(1.0) / std::sqrt(Real(2.0) * Real(M_PI) * s_);
-  padding_dist_ = s_ * Real(2.0);
+  padding_dist_ = s_ * Real(3.0);
   scaling_ = 10000 * force.getScaling();
 
   //let's get body and particle info...
-- 
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