From baf610c5be616a4f6647769c3b513e8c877a5f9b Mon Sep 17 00:00:00 2001
From: Jan Kessler <jakessle@t-online.de>
Date: Thu, 9 Apr 2020 23:42:09 +0200
Subject: [PATCH] adapt to MCI's changed PDF callback interface

---
 include/vmc/WaveFunction.hpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/vmc/WaveFunction.hpp b/include/vmc/WaveFunction.hpp
index be612fe..330e39d 100644
--- a/include/vmc/WaveFunction.hpp
+++ b/include/vmc/WaveFunction.hpp
@@ -105,9 +105,9 @@ class WaveFunction: public mci::SamplingFunctionInterface
         return wfval*wfval; // the sampling function is Psi^2
     }
 
-    void observationCallback(const mci::WalkerState &wlk, const double /*protoold*/[], const double /*protonew*/[]) override
+    void observationCallback(const double x[], const double /*protov*/[]) override
     {
-        this->computeAllDerivatives(wlk.xnew);
+        this->computeAllDerivatives(x);
     }
 
     // --- getters and setters for the derivatives