message: Bugfix: Usage of M_PI on Windows
diff: #include "axom/klee/GeometryOperators.hpp"
  +#include "axom/config.hpp"
  #include "axom/core/numerics/matvecops.hpp"
  #include "axom/klee/Units.hpp"
  +// C/C++ includes
  +#include <cmath>
  #include <stdexcept>
  namespace axom
  