Interaction folder is finalized with adjustable box and tested for rotating drum

src/Interaction/contactSearch/methods/cellBased/NBS/NBSLevel0.cpp

@@ -0,0 +1,118 @@
+/*------------------------------- phasicFlow ---------------------------------
+      O        C enter of
+     O O       E ngineering and
+    O   O      M ultiscale modeling of
+   OOOOOOO     F luid flow       
+------------------------------------------------------------------------------
+  Copyright (C): www.cemf.ir
+  email: hamid.r.norouzi AT gmail.com
+------------------------------------------------------------------------------  
+Licence:
+  This file is part of phasicFlow code. It is a free software for simulating 
+  granular and multiphase flows. You can redistribute it and/or modify it under
+  the terms of GNU General Public License v3 or any other later versions. 
+ 
+  phasicFlow is distributed to help others in their research in the field of 
+  granular and multiphase flows, but WITHOUT ANY WARRANTY; without even the
+  implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+
+-----------------------------------------------------------------------------*/
+
+#include "NBSLevel0.hpp"
+#include "streams.hpp"
+
+bool pFlow::NBSLevel0::findPairs
+(
+	csPairContainerType &pairs, 
+	const deviceViewType1D<realx3> &pointPos, 
+	const pFlagTypeDevice &flags, 
+	const deviceViewType1D<real> &diameter
+)
+{
+	uint32 getFull = 1;
+	
+	// loop until the container size fits the numebr of contact pairs
+	while (getFull > 0)
+	{
+
+		getFull = pFlow::NBSLevel0Kernels::findPairsCount
+		(
+			pairs,
+			sizeRatio_,
+			pointPos,
+			flags,
+			diameter, 
+			getCellIterator()
+		);
+	
+		if(getFull)
+		{
+			// - resize the container
+			//   note that getFull now shows the number of failed insertions.
+			uint32 len = max(getFull,500u) ;
+			
+			auto oldCap = pairs.capacity();
+			
+			pairs.increaseCapacityBy(len);
+
+			INFORMATION<< "The contact pair container capacity increased from "<<
+			oldCap << " to "<<pairs.capacity()<<" in NBSLevel0."<<END_INFO;
+			
+		}
+
+		Kokkos::fence();
+	}
+	
+	return true;
+}
+
+
+pFlow::NBSLevel0::NBSLevel0
+(
+    const 	box& domain,
+    real 	cellSize,
+    real  sizeRatio,
+    const deviceViewType1D<realx3>& pointPos,
+    const pFlagTypeDevice& flags,
+    bool 	adjustableBox
+)
+:
+    mapperNBS
+    (
+        domain,
+        cellSize,
+        pointPos,
+        flags,
+        adjustableBox,
+        true
+    ),
+    sizeRatio_(sizeRatio)
+{
+    
+}
+
+bool pFlow::NBSLevel0::broadSearch
+(
+	csPairContainerType &pairs, 
+	const deviceViewType1D<realx3> &pointPos, 
+	const pFlagTypeDevice &flags, 
+	const deviceViewType1D<real> &diameter,
+	bool& searchBoxChanged
+)
+{	
+	if(!build(pointPos, flags, searchBoxChanged))
+	{
+		fatalErrorInFunction;
+		return false;
+	}
+
+	if(!findPairs(pairs, pointPos, flags, diameter))
+	{
+		fatalErrorInFunction;
+		return false;
+	}
+
+	return true;
+}
+
+