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/* my_code.cc */
#include "my_code.h"
using namespace ePiX;
namespace Mine {
double lorentz_norm(P arg)
{
double x=arg.x1(), y=arg.x2(), z=arg.x3(); // extract coords
return -x*x + y*y + z*z;
}
bool spacelike(P arg)
{
return (lorentz_norm(arg) > 0);
}
} // end of namespace
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