From dc8db11d9a2e90cdcce8df0da8ef2b8d67a87dd5 Mon Sep 17 00:00:00 2001
From: Jens Ahrensfeld <jens@jayfield.org>
Date: Fri, 7 Jan 2022 12:46:03 +0000
Subject: [PATCH] - constify

git-svn-id: http://moon:8086/svn/software/trunk/projects/Rbm@747 b431acfa-c32f-4a4a-93f1-934dc6c82436
---
 source/Rbm.cpp | 4 ++--
 source/Rbm.hpp | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/source/Rbm.cpp b/source/Rbm.cpp
index b5d2454..2a73a68 100644
--- a/source/Rbm.cpp
+++ b/source/Rbm.cpp
@@ -71,9 +71,9 @@ Json::Value Rbm::toJson() const
 	return rbm;
 }
 
-void Rbm::weightUpdate(arma::mat &v_state, arma::mat &dw, arma::mat &dbh, arma::mat &dbv)
+void Rbm::weightUpdate(arma::mat const &v_state, arma::mat &dw, arma::mat &dbh, arma::mat &dbv)
 {
-	arma::mat hid_probs = probsLogistic(toHiddenState(v_state));
+	arma::mat hid_probs = toHiddenProbs(v_state);
 	arma::mat vis_probs(dbv.n_rows, dbv.n_cols);
 
 	arma::mat h_state = hid_probs;
diff --git a/source/Rbm.hpp b/source/Rbm.hpp
index 68e72fb..03687f1 100644
--- a/source/Rbm.hpp
+++ b/source/Rbm.hpp
@@ -141,7 +141,7 @@ private:
 	Params m_params;
 	arma::mat sample(arma::mat const &src);
 	static arma::mat probsLogistic(arma::mat const &src);
-        void weightUpdate(arma::mat &v_state, arma::mat &dw, arma::mat &dbh, arma::mat &dbv);
+        void weightUpdate(arma::mat const &v_state, arma::mat &dw, arma::mat &dbh, arma::mat &dbv);
 	void uniform(arma::mat &srcDst, double stdDev=1.0, double mu=0.5);
 
 protected: