masses_input.hpp

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#pragma once
 
#include <array>
#include <span>
#include <vector>
 
#include "mass_element.hpp"
 
namespace kynema {
 
struct MassesInput {
    std::vector<MassElement> elements;  //< All elements present in the masses/rigid_body
    std::array<double, 3> gravity;      //< Gravity vector
 
    MassesInput(std::span<const MassElement> elems, std::span<const double, 3> g)
        : gravity({g[0], g[1], g[2]}) {
        elements.assign(std::begin(elems), std::end(elems));
    }
 
    [[nodiscard]] size_t NumElements() const { return elements.size(); }
};
 
}  // namespace kynema