more stable

git-svn-id: http://moon:8086/svn/software/trunk/projects/RBM@286 b431acfa-c32f-4a4a-93f1-934dc6c82436

Source/Weights.hpp

@@ -70,7 +70,6 @@ public:
 
 	void setUnits(uint32_t numVisibleX, uint32_t numVisibleY, uint32_t numHidden)
 	{
-		shuffle(0);
 		if ((m_numVisibleX == numVisibleX) && (m_numVisibleY == numVisibleY) && (m_numHidden == numHidden))
 		{
 			return;
@@ -85,6 +84,7 @@ public:
 		m_mean.resize(m_numVisible);
 		m_bv.resize(m_numVisible);
 		m_bh.resize(m_numHidden);
+		shuffle(1.0);
 	}
 
 	void shuffle(double stdDev)
@@ -299,6 +299,7 @@ private:
 
 	void free()
 	{
+		setUnits(0, 0, 0);
 	}
 };