44 lines
1.2 KiB
C++
44 lines
1.2 KiB
C++
/**
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* @file demon_sgd_test.cpp
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* @author Marcus Edel
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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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#include "test_function_tools.hpp"
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using namespace ens;
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using namespace ens::test;
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/**
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* Run DemonSGD on logistic regression and make sure the results are
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* acceptable.
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*/
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TEST_CASE("DemonSGDLogisticRegressionTest", "[DemonSGDTest]")
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{
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DemonSGD optimizer(0.1, 32, 0.9, 1000000, 1e-9, true, true, true);
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LogisticRegressionFunctionTest(optimizer, 0.003, 0.006, 6);
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}
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/**
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* Tests the DemonSGD optimizer using a simple test function.
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*/
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TEST_CASE("DemonSGDSimpleTestFunctionFloat", "[DemonSGDTest]")
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{
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SGDTestFunction f;
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DemonSGD optimizer(1e-2, 1, 0.9, 400000);
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arma::fmat coordinates = f.GetInitialPoint<arma::fmat>();
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optimizer.Optimize(f, coordinates);
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REQUIRE(coordinates(0) == Approx(0.0).margin(0.1));
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REQUIRE(coordinates(1) == Approx(0.0).margin(0.1));
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REQUIRE(coordinates(2) == Approx(0.0).margin(0.1));
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}
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