normal_distribution.hpp

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// Copyright 2015 TIER IV, Inc. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
 
#ifndef OPENSCENARIO_INTERPRETER__SYNTAX__NORMAL_DISTRIBUTION_HPP_
#define OPENSCENARIO_INTERPRETER__SYNTAX__NORMAL_DISTRIBUTION_HPP_
 
#include <openscenario_interpreter/scope.hpp>
#include <openscenario_interpreter/syntax/double.hpp>
#include <openscenario_interpreter/syntax/range.hpp>
#include <random>
#include <string>
 
namespace openscenario_interpreter
{
inline namespace syntax
{
/*
   NormalDistribution (OpenSCENARIO XML 1.3.1)
 
   Normal distribution which can be applied to a single parameter.
 
   <xsd:complexType name="NormalDistribution">
     <xsd:sequence>
       <xsd:element name="Range" type="Range" minOccurs="0"/>
     </xsd:sequence>
     <xsd:attribute name="expectedValue" type="Double" use="required"/>
     <xsd:attribute name="variance" type="Double" use="required"/>
   </xsd:complexType>
*/
struct NormalDistribution : public ComplexType, private Scope
{
  const Range range;
 
  const Double expected_value;
 
  const Double variance;
 
  std::normal_distribution<Double::value_type> distribute;
 
  std::mt19937 random_engine;
 
  explicit NormalDistribution(const pugi::xml_node &, Scope & scope);
 
  auto evaluate() -> Object;
};
}  // namespace syntax
}  // namespace openscenario_interpreter
#endif  // OPENSCENARIO_INTERPRETER__SYNTAX__NORMAL_DISTRIBUTION_HPP_