VasuAgrawal

I ran into an issue where this function was being preferred over a 1 argument class member function also named `check`.

Switch points.cc to relative import for openvdb.h

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Signed-off-by: VasuAgrawal

'BondSM' defined as a struct here but previously declared as a class

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I get this error when compiling a piece of code which uses bondcpp with clang. Compile command is as follows: ``` catkin build -DCMAKE_C_COMPILER=/usr/bin/clang -DCMAKE_CXX_COMPILER=/usr/bin/clang++ -DCMAKE_BUILD_TYPE=Release ``` ``` Errors