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/**
* @file ada_bound_test.cpp
* @author Marcus Edel
*
* ensmallen is free software; you may redistribute it and/or modify it under
* the terms of the 3-clause BSD license. You should have received a copy of
* the 3-clause BSD license along with ensmallen. If not, see
* http://www.opensource.org/licenses/BSD-3-Clause for more information.
*/
#if defined(ENS_USE_COOT)
#include <armadillo>
#include <bandicoot>
#endif
#include <ensmallen.hpp>
#include "catch.hpp"
#include "test_function_tools.hpp"
#include "test_types.hpp"
using namespace ens;
using namespace ens::test;
TEMPLATE_TEST_CASE("AdaBound_SphereFunction", "[AdaBound]", ENS_ALL_TEST_TYPES,
ENS_SPARSE_TEST_TYPES)
{
AdaBound optimizer(0.002, 2, 0.1, 1e-3, 0.9, 0.999, 1e-8, 500000,
1e-3, false);
FunctionTest<SphereFunction, TestType>(
optimizer,
10 * Tolerances<TestType>::LargeObj,
10 * Tolerances<TestType>::LargeCoord);
}
TEMPLATE_TEST_CASE("AMSBound_SphereFunction", "[AdaBound]", ENS_ALL_TEST_TYPES,
ENS_SPARSE_TEST_TYPES)
{
AMSBound optimizer(0.002, 2, 0.1, 1e-3, 0.9, 0.999, 1e-8, 500000,
1e-3, false);
FunctionTest<SphereFunction, TestType>(
optimizer,
10 * Tolerances<TestType>::LargeObj,
10 * Tolerances<TestType>::LargeCoord);
}
TEMPLATE_TEST_CASE("AdaBound_SphereFunctionSpMatDenseGradient", "[AdaBound]",
ENS_SPARSE_TEST_TYPES)
{
typedef typename TestType::elem_type ElemType;
SphereFunction f(2);
AdaBound optimizer(0.002, 2, 0.1, 1e-3, 0.9, 0.999, 1e-8, 500000,
1e-3, false);
TestType coordinates = arma::conv_to<TestType>::from(
f.GetInitialPoint());
optimizer.Optimize<decltype(f), TestType, arma::Mat<ElemType> >(
f, coordinates);
REQUIRE(coordinates(0) == Approx(0.0).margin(0.1));
REQUIRE(coordinates(1) == Approx(0.0).margin(0.1));
}
TEMPLATE_TEST_CASE("AMSBound_SphereFunctionSpMatDenseGradient", "[AdaBound]",
ENS_SPARSE_TEST_TYPES)
{
typedef typename TestType::elem_type ElemType;
SphereFunction f(2);
AMSBound optimizer(0.002, 2, 0.1, 1e-3, 0.9, 0.999, 1e-8, 500000,
1e-3, false);
arma::sp_mat coordinates = f.GetInitialPoint<TestType>();
optimizer.Optimize<decltype(f), TestType, arma::Mat<ElemType> >(
f, coordinates);
REQUIRE(coordinates(0) == Approx(0.0).margin(0.1));
REQUIRE(coordinates(1) == Approx(0.0).margin(0.1));
}
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