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o3de/Gems/PhysX/Code/NumericalMethods/Source/Optimization/Constants.h

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C++

/*
* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
* its licensors.
*
* For complete copyright and license terms please see the LICENSE at the root of this
* distribution (the "License"). All use of this software is governed by the License,
* or, if provided, by the license below or the license accompanying this file. Do not
* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*
*/
#pragma once
#include <AzCore/base.h>
namespace NumericalMethods::Optimization
{
const AZ::u32 lineSearchIterations = 100;
const AZ::u32 solverIterations = 500;
// value of the gradient norm used for terminating the search
const double gradientTolerance = 1e-6;
// used in finite difference evaluation of derivatives
// a value close to the square root of the machine precision is recommended in Nocedal and Wright
const double epsilon = 1e-7;
// values recommended in Nocedal and Wright for constants in the Wolfe conditions for satisfactory solution improvement
const double WolfeConditionsC1 = 1e-4;
const double WolfeConditionsC2 = 0.9;
} // namespace NumericalMethods::Optimization