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

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

@@ -0,0 +1,194 @@
+/*------------------------------- 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 "mapperNBS.hpp"
+#include "mapperNBSKernels.hpp"
+#include "streams.hpp"
+
+pFlow::uint32 pFlow::mapperNBS::checkInterval_ = 1000;
+pFlow::real pFlow::mapperNBS::enlargementFactor_ = 1;
+
+bool pFlow::mapperNBS::setSearchBox
+(
+    const deviceViewType1D<realx3> &pointPos, 
+    const pFlagTypeDevice &flags,
+    real cellSize
+)
+{
+    box domainBox = domainCells_.domainBox();
+
+	
+    if(adjustableBox_)
+    {
+        lastCheckForBox_ = buildCount_;
+        
+        realx3 minP;
+        realx3 maxP;
+        pFlow::mapperNBSKernels::findPointExtends
+        (
+            pointPos, 
+            flags, 
+            minP, maxP
+        );
+
+        minP = max( minP - enlargementFactor_*cellSize, domainBox.minPoint());
+        maxP = min( maxP + enlargementFactor_*cellSize, domainBox.maxPoint());       
+        
+        box searchBox = {minP, maxP};
+        searchCells_ = cells(searchBox, cellSize);    
+        INFORMATION<<"Search box for contact search has changed: "<< 
+        "search box is ["<<searchCells_.domainBox().minPoint()<<
+        " "<<searchCells_.domainBox().maxPoint()<<"]"<<END_INFO;
+        
+        return true;
+        
+    }
+    else
+    {
+        searchCells_ = cells(domainBox, cellSize);
+        INFORMATION<<"Search box for contact search is: ["
+        << domainBox.minPoint()<<" "<<domainBox.maxPoint()<<"]"<<END_INFO;
+
+        return false;
+    }
+    
+}
+
+void pFlow::mapperNBS::allocateArrays(rangeU32 nextRng)
+{
+    checkAllocateNext(nextRng);
+    nullifyNext(nextRng);
+    reallocFill(head_, searchCells_.nx(), searchCells_.ny(), searchCells_.nz(), NoPos);
+}
+
+void pFlow::mapperNBS::checkAllocateNext(rangeU32 nextRng)
+{
+
+    auto newCap = nextRng.end();
+    
+    if( nextCapacity_ < newCap)
+    {
+        nextCapacity_ = newCap;	
+        if(!nextOwner_)return;
+        reallocNoInit(next_, nextCapacity_);
+    }
+}
+
+void pFlow::mapperNBS::nullifyHead()
+{
+    fill(head_, NoPos);	
+}
+
+void pFlow::mapperNBS::nullifyNext(rangeU32 nextRng)
+{
+    if(!nextOwner_)return;
+		fill(next_, nextRng, NoPos);
+}
+
+pFlow::mapperNBS::mapperNBS(
+    const box &domain,
+    real cellSize,
+    const deviceViewType1D<realx3> &pointPos,
+    const pFlagTypeDevice &flags,
+    bool adjustableBox,
+    bool nextOwner
+)
+: 
+   	domainCells_(domain, cellSize),
+    searchCells_(domain, cellSize),
+   	adjustableBox_(adjustableBox),
+	nextOwner_(nextOwner)
+{
+    setSearchBox(pointPos, flags, cellSize);
+
+    allocateArrays(flags.activeRange());
+}
+
+bool pFlow::mapperNBS::build
+(
+    const deviceViewType1D<realx3>& pointPos, 
+    const pFlagTypeDevice & flags,
+    bool&  searchBoxChanged
+)
+{
+    auto aRange = flags.activeRange();
+    buildCount_++;
+    if(adjustableBox_ && buildCount_%checkInterval_ == 0)
+    {   
+
+        if(searchBoxChanged = 
+            setSearchBox(pointPos, flags, searchCells_.cellSize());searchBoxChanged)
+        {
+            allocateArrays(aRange);
+        }  
+        
+    }
+    else
+    {
+        checkAllocateNext(aRange);
+        nullifyHead();
+        nullifyNext(aRange);
+    }    
+    
+    if( adjustableBox_ )
+    {
+        if(!pFlow::mapperNBSKernels::buildListsReduce(
+            searchCells_,
+            head_,
+            next_,
+            pointPos,
+            flags) )
+        {
+
+            buildCount_++;           
+            setSearchBox(pointPos, flags, searchCells_.cellSize());
+            
+            searchBoxChanged = true;
+            
+            allocateArrays(flags.activeRange());
+
+            if(!pFlow::mapperNBSKernels::buildListsReduce(
+                searchCells_,
+                head_,
+                next_,
+                pointPos,
+                flags))
+            {
+                fatalErrorInFunction<<"failed to build list in anjustable search box mode!"<<endl;
+                return false;   
+            }
+        }
+    }
+    else
+    {
+        pFlow::mapperNBSKernels::buildLists(
+            searchCells_,
+            head_,
+            next_,
+            pointPos,
+            flags
+        );
+        searchBoxChanged = false;
+    }
+    
+    return true;
+
+}
+