60 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			C
		
	
	
		
		
			
		
	
	
			60 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			C
		
	
	
|  | /*
 | ||
|  |  * SharedGaussian.h | ||
|  |  * @brief Class that wraps a shared noise model with diagonal covariance | ||
|  |  * @Author: Frank Dellaert | ||
|  |  * Created on: Jan 22, 2010 | ||
|  |  */ | ||
|  | 
 | ||
|  | #pragma once
 | ||
|  | 
 | ||
|  | #include "NoiseModel.h"
 | ||
|  | 
 | ||
|  | namespace gtsam { // note, deliberately not in noiseModel namespace
 | ||
|  | 
 | ||
|  | 	/**
 | ||
|  | 	 * A useful convenience class to refer to a shared Gaussian model | ||
|  | 	 * Also needed to make noise models in matlab | ||
|  | 	 */ | ||
|  | 	struct SharedGaussian: public noiseModel::Gaussian::shared_ptr { | ||
|  | 		SharedGaussian() { | ||
|  | 		} | ||
|  | 		// TODO: better way ?
 | ||
|  | 		SharedGaussian(const noiseModel::Gaussian::shared_ptr& p) : | ||
|  | 			noiseModel::Gaussian::shared_ptr(p) { | ||
|  | 		} | ||
|  | 		SharedGaussian(const noiseModel::Diagonal::shared_ptr& p) : | ||
|  | 			noiseModel::Gaussian::shared_ptr(p) { | ||
|  | 		} | ||
|  | 		SharedGaussian(const noiseModel::Constrained::shared_ptr& p) : | ||
|  | 			noiseModel::Gaussian::shared_ptr(p) { | ||
|  | 		} | ||
|  | 		SharedGaussian(const noiseModel::Isotropic::shared_ptr& p) : | ||
|  | 			noiseModel::Gaussian::shared_ptr(p) { | ||
|  | 		} | ||
|  | 		SharedGaussian(const noiseModel::Unit::shared_ptr& p) : | ||
|  | 			noiseModel::Gaussian::shared_ptr(p) { | ||
|  | 		} | ||
|  | 
 | ||
|  | 		// Define GTSAM_MAGIC_GAUSSIAN to have access to slightly
 | ||
|  | 		// dangerous and non-shared (inefficient, wasteful) noise models.
 | ||
|  | 		// Intended to be used only in tests (if you must) and the MATLAB wrapper
 | ||
|  | #ifdef GTSAM_MAGIC_GAUSSIAN
 | ||
|  | 		SharedGaussian(const Matrix& covariance) : | ||
|  | 			noiseModel::Gaussian::shared_ptr(noiseModel::Gaussian::Covariance(covariance)) { | ||
|  | 		} | ||
|  | 		SharedGaussian(const Vector& sigmas) : | ||
|  | 			noiseModel::Gaussian::shared_ptr(noiseModel::Diagonal::Sigmas(sigmas)) { | ||
|  | 		} | ||
|  | #endif
 | ||
|  | // Define GTSAM_DANGEROUS_GAUSSIAN to have access to bug-prone fixed dimension Gaussians
 | ||
|  | // Not intended for human use, only for backwards compatibility of old unit tests
 | ||
|  | #ifdef GTSAM_DANGEROUS_GAUSSIAN
 | ||
|  | 		SharedGaussian(const double& s) : | ||
|  | 			noiseModel::Gaussian::shared_ptr(noiseModel::Isotropic::Sigma( | ||
|  | 					GTSAM_DANGEROUS_GAUSSIAN, s)) { | ||
|  | 		} | ||
|  | #endif
 | ||
|  | 	}; | ||
|  | 
 | ||
|  | } |