calculate_length.hpp

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#pragma once
 
#include <Kokkos_Core.hpp>
 
namespace kynema::springs {
 
template <typename DeviceType>
KOKKOS_INLINE_FUNCTION double CalculateLength(
    const typename Kokkos::View<double[3], DeviceType>::const_type& r
) {
    return Kokkos::sqrt(r(0) * r(0) + r(1) * r(1) + r(2) * r(2));
}
 
}  // namespace kynema::springs