34 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			34 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
|   | // This file is part of Eigen, a lightweight C++ template library
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|  | // for linear algebra.
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|  | //
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|  | // Copyright (C) 2020 Sebastien Boisvert <seb@boisvert.info>
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|  | //
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|  | // This Source Code Form is subject to the terms of the Mozilla
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|  | // Public License v. 2.0. If a copy of the MPL was not distributed
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|  | // with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
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|  | 
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|  | #ifndef EIGEN_MISC_MOVABLE_SCALAR_H
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|  | #define EIGEN_MISC_MOVABLE_SCALAR_H
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|  | 
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|  | #include <vector>
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|  | 
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|  | namespace Eigen { | ||
|  | template <typename Scalar, typename Base = std::vector<Scalar>> | ||
|  | struct MovableScalar : public Base { | ||
|  |   MovableScalar() = default; | ||
|  |   ~MovableScalar() = default; | ||
|  |   MovableScalar(const MovableScalar&) = default; | ||
|  |   MovableScalar(MovableScalar&& other) = default; | ||
|  |   MovableScalar& operator=(const MovableScalar&) = default; | ||
|  |   MovableScalar& operator=(MovableScalar&& other) = default; | ||
|  |   MovableScalar(Scalar scalar) : Base(100, scalar) {} | ||
|  | 
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|  |   operator Scalar() const { return this->size() > 0 ? this->back() : Scalar(); } | ||
|  | }; | ||
|  | 
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|  | template <> | ||
|  | struct NumTraits<MovableScalar<float>> : GenericNumTraits<float> {}; | ||
|  | }  // namespace Eigen
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|  | 
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|  | #endif
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