98 lines
3.4 KiB
C++
98 lines
3.4 KiB
C++
/**
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* @file indicators_test.cpp
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* @author Nanubala Gnana Sai
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*
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* Test file for all the indicators: Epsilon, IGD+.
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*
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* ensmallen is free software; you may redistribute it and/or modify it under
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* the terms of the 3-clause BSD license. You should have received a copy of
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* the 3-clause BSD license along with ensmallen. If not, see
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* http://www.opensource.org/licenses/BSD-3-Clause for more information.
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*/
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#include <ensmallen.hpp>
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#include "catch.hpp"
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using namespace ens;
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using namespace ens::test;
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/**
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* Calculates the Epsilon metric for the pair of fronts.
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* Tests for data of type double.
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* The reference numerical results have been taken from hand calculated values.
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* Refer the IPynb notebook in https://github.com/mlpack/ensmallen/pull/285
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* for more.
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*/
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TEST_CASE("EpsilonDoubleTest", "[IndicatorsTest]")
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{
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arma::cube referenceFront(2, 1, 3);
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double tol = 1e-10;
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referenceFront.slice(0) = arma::vec{0.01010101, 0.89949622};
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referenceFront.slice(1) = arma::vec{0.02020202, 0.85786619};
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referenceFront.slice(2) = arma::vec{0.03030303, 0.82592234};
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arma::cube front = referenceFront * 1.1;
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double eps = Epsilon::Evaluate(front, referenceFront);
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REQUIRE(eps == Approx(1.1).margin(tol));
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}
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/**
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* Calculates the Epsilon metric for the pair of fronts.
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* Tests for data of type float.
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* The reference numerical results have been taken from hand calculated values.
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* Refer the IPynb notebook in https://github.com/mlpack/ensmallen/pull/285
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* for more.
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*/
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TEST_CASE("EpsilonFloatTest", "[IndicatorsTest]")
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{
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arma::fcube referenceFront(2, 1, 3);
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float tol = 1e-10;
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referenceFront.slice(0) = arma::fvec{0.01010101f, 0.89949622f};
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referenceFront.slice(1) = arma::fvec{0.02020202f, 0.85786619f};
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referenceFront.slice(2) = arma::fvec{0.03030303f, 0.82592234f};
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arma::fcube front = referenceFront * 1.1;
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double eps = Epsilon::Evaluate(front, referenceFront);
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REQUIRE(eps == Approx(1.1).margin(tol));
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}
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/**
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* Calculates the IGD+ metric for the pair of fronts.
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* Tests for data of type double.
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* The reference numerical results have been taken from hand calculated values.
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* Refer the IPynb notebook in https://github.com/mlpack/ensmallen/pull/285
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* for more.
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*/
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TEST_CASE("IGDPlusDoubleTest", "[IndicatorsTest]")
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{
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arma::cube referenceFront(2, 1, 3);
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double tol = 1e-10;
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referenceFront.slice(0) = arma::vec{0.01010101, 0.89949622};
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referenceFront.slice(1) = arma::vec{0.02020202, 0.85786619};
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referenceFront.slice(2) = arma::vec{0.03030303, 0.82592234};
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arma::cube front = referenceFront * 1.1;
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double igdPlus = IGDPlus::Evaluate(front, referenceFront);
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REQUIRE(igdPlus == Approx(0.05329735411078149).margin(tol));
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}
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/**
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* Calculates the IGD+ metric for the pair of fronts.
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* Tests for data of type float.
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* The reference numerical results have been taken from hand calculated values.
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* Refer the IPynb notebook in https://github.com/mlpack/ensmallen/pull/285
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* for more.
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*/
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TEST_CASE("IGDPlusFloatTest", "[IndicatorsTest]")
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{
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arma::fcube referenceFront(2, 1, 3);
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float tol = 1e-10;
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referenceFront.slice(0) = arma::fvec{0.01010101f, 0.89949622f};
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referenceFront.slice(1) = arma::fvec{0.02020202f, 0.85786619f};
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referenceFront.slice(2) = arma::fvec{0.03030303f, 0.82592234f};
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arma::fcube front = referenceFront * 1.1;
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float igdPlus = IGDPlus::Evaluate(front, referenceFront);
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REQUIRE(igdPlus == Approx(0.05329735411078149).margin(tol));
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}
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