54 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			C++
		
	
	
			
		
		
	
	
			54 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			C++
		
	
	
/* ----------------------------------------------------------------------------
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 * GTSAM Copyright 2010, Georgia Tech Research Corporation,
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 * Atlanta, Georgia 30332-0415
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 * All Rights Reserved
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 * Authors: Frank Dellaert, et al. (see THANKS for the full author list)
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 * See LICENSE for the license information
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 * -------------------------------------------------------------------------- */
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/**
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 *  @file   testRobust.cpp
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 *  @brief  Unit tests for Robust loss functions
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 *  @author Fan Jiang
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 *  @author Yetong Zhang
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 *  @date   Apr 7, 2022
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 **/
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#include <CppUnitLite/TestHarness.h>
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#include <gtsam/base/Testable.h>
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#include <gtsam/base/TestableAssertions.h>
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#include <gtsam/base/numericalDerivative.h>
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#include <gtsam/nonlinear/PriorFactor.h>
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#include <gtsam/slam/BetweenFactor.h>
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using namespace gtsam;
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TEST(RobustNoise, loss) {
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  // Keys.
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  gtsam::Key x1_key = 1;
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  gtsam::Key x2_key = 2;
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  auto gm = noiseModel::mEstimator::GemanMcClure::Create(1.0);
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  auto noise = noiseModel::Robust::Create(gm, noiseModel::Unit::Create(1));
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  auto factor = PriorFactor<double>(x1_key, 0.0, noise);
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  auto between_factor = BetweenFactor<double>(x1_key, x2_key, 0.0, noise);
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  Values values;
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  values.insert(x1_key, 10.0);
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  values.insert(x2_key, 0.0);
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  EXPECT_DOUBLES_EQUAL(0.49505, factor.error(values), 1e-5);
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  EXPECT_DOUBLES_EQUAL(0.49505, between_factor.error(values), 1e-5);
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  EXPECT_DOUBLES_EQUAL(0.49505, gm->loss(10.0), 1e-5);
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}
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int main() {
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  TestResult tr;
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  return TestRegistry::runAllTests(tr);
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}
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