gtsam/gtsam/slam/tests/testPriorFactor.cpp

74 lines
2.1 KiB
C++

/**
* @file testPriorFactor.cpp
* @brief Test PriorFactor
* @author Frank Dellaert
* @date Nov 4, 2014
*/
#include <CppUnitLite/TestHarness.h>
#include <gtsam/base/Vector.h>
#include <gtsam/navigation/ImuBias.h>
#include <gtsam/nonlinear/PriorFactor.h>
#include <gtsam/nonlinear/factorTesting.h>
using namespace std;
using namespace std::placeholders;
using namespace gtsam;
using namespace imuBias;
/* ************************************************************************* */
// Constructor scalar
TEST(PriorFactor, ConstructorScalar) {
SharedNoiseModel model;
PriorFactor<double> factor(1, 1.0, model);
}
// Constructor vector3
TEST(PriorFactor, ConstructorVector3) {
SharedNoiseModel model = noiseModel::Isotropic::Sigma(3, 1.0);
PriorFactor<Vector3> factor(1, Vector3(1, 2, 3), model);
}
// Constructor dynamic sized vector
TEST(PriorFactor, ConstructorDynamicSizeVector) {
Vector v(5);
v << 1, 2, 3, 4, 5;
SharedNoiseModel model = noiseModel::Isotropic::Sigma(5, 1.0);
PriorFactor<Vector> factor(1, v, model);
}
Vector callEvaluateError(const PriorFactor<ConstantBias>& factor,
const ConstantBias& bias) {
return factor.evaluateError(bias);
}
// Test for imuBias::ConstantBias
TEST(PriorFactor, ConstantBias) {
Vector3 biasAcc(1, 2, 3);
Vector3 biasGyro(0.1, 0.2, 0.3);
ConstantBias bias(biasAcc, biasGyro);
PriorFactor<ConstantBias> factor(1, bias,
noiseModel::Isotropic::Sigma(6, 0.1));
Values values;
values.insert(1, bias);
EXPECT_DOUBLES_EQUAL(0.0, factor.error(values), 1e-8);
EXPECT_CORRECT_FACTOR_JACOBIANS(factor, values, 1e-7, 1e-5);
ConstantBias incorrectBias(
(Vector6() << 1.1, 2.1, 3.1, 0.2, 0.3, 0.4).finished());
values.clear();
values.insert(1, incorrectBias);
EXPECT_DOUBLES_EQUAL(3.0, factor.error(values), 1e-8);
EXPECT_CORRECT_FACTOR_JACOBIANS(factor, values, 1e-7, 1e-5);
}
/* ************************************************************************* */
int main() {
TestResult tr;
return TestRegistry::runAllTests(tr);
}
/* ************************************************************************* */