smatrix_types.hpp

// This file is part of the ACTS project.
//
// Copyright (C) 2016 CERN for the benefit of the ACTS project
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at https://mozilla.org/MPL/2.0/.
 
#pragma once
 
// Project include(s)
#include "algebra/impl/smatrix_getter.hpp"
#include "algebra/impl/smatrix_transform3.hpp"
#include "detray/algebra/concepts.hpp"
#include "detray/algebra/type_traits.hpp"
 
// ROOT/Smatrix include(s).
#include <Math/SMatrix.h>
#include <Math/SVector.h>
 
// System include(s).
#include <cstddef>
 
namespace detray {
 
namespace algebra::smatrix {

using index_type = unsigned int;
template <concepts::value T>
using value_type = T;
template <concepts::value T>
using scalar_type = T;
template <concepts::scalar T, index_type N>
using storage_type = ROOT::Math::SVector<T, N>;
template <concepts::scalar T, index_type N>
using vector_type = storage_type<T, N>;
template <concepts::scalar T, index_type ROWS, index_type COLS>
using matrix_type = ROOT::Math::SMatrix<T, ROWS, COLS>;

template <concepts::scalar T>
using vector3 = storage_type<T, 3>;
template <concepts::scalar T>
using point3 = vector3<T>;
template <concepts::scalar T>
using vector2 = storage_type<T, 2>;
template <concepts::scalar T>
using point2 = vector2<T>;

template <typename T>
using transform3 = smatrix::math::transform3<T>;

using element_getter = smatrix::storage::element_getter;
using block_getter = smatrix::storage::block_getter;
 
}  // namespace algebra::smatrix
 
DETRAY_ALGEBRA_DEFINE_TYPE_TRAITS(algebra::smatrix)
 
}  // namespace detray