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C++ VariableList::GetInitialValues方法代码示例

本文整理汇总了C++中VariableList::GetInitialValues方法的典型用法代码示例。如果您正苦于以下问题:C++ VariableList::GetInitialValues方法的具体用法?C++ VariableList::GetInitialValues怎么用?C++ VariableList::GetInitialValues使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在VariableList的用法示例。


在下文中一共展示了VariableList::GetInitialValues方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: CreateFunctionOptimizer

OptError NewtonProblem::CreateFunctionOptimizer(OptimizeClass *
						&objfcn, NLP0 * &func)
{
  OptError error;

  int numVar = GetNumVar();
  int derivOrder = GetDerivOrder();
  VariableList* variables = GetVariables();
  CompoundConstraint* constraints = 0;

  if ((variables->linearExists()) || (variables->nonlinearExists()))
  {
    cout << "Newton does not support linear or nonlinear constraints." << endl;
    cout << "Linear and nonlinear constraints being ignored." << endl;
  }
  if ((variables->upperExists()) || (variables->lowerExists()))
  {
    constraints = new CompoundConstraint(Constraint(variables->GetBoundConstraints()));
  }

  if(derivOrder == 2)
    {
      USERFCN2 userFcn = GetUserFunction2();
      INITFCN initFcn = GetInitFunction();
      if(userFcn == NULL || initFcn == NULL)	
	{
	  error.value = -4;
	  error.msg = "Error loading function";
	  return error;
	}
		
      NLF2 * myFunc = new NLF2(numVar, userFcn, initFcn, constraints);
      myFunc->setIsExpensive(true);
      myFunc->setX(variables->GetInitialValues());

      if ((variables->upperExists()) || (variables->lowerExists()))
      {
	objfcn = new OptBCNewton(myFunc);
      }
      else
      {
	objfcn = new OptNewton(myFunc);
      }

      func = myFunc;
    }
  else if(derivOrder == 1)
    {
      // construct a function with 1st derivative info

      USERFCN1 userFcn = GetUserFunction1();
      INITFCN initFcn = GetInitFunction();
      if(userFcn == NULL || initFcn == NULL)	
	{
	  error.value = -4;
	  error.msg = "Error loading function";
	  return error;
	}

      NLF1 * myFunc = new NLF1(numVar, userFcn, initFcn, constraints);
      myFunc->setIsExpensive(true);
      myFunc->setX(variables->GetInitialValues());

      if ((variables->upperExists()) || (variables->lowerExists()))
      {
	objfcn = new OptBCQNewton(myFunc);
      }
      else
      {
	objfcn = new OptQNewton(myFunc);
      }

      func = myFunc;
    }
  else if(derivOrder == 0)
    {
      INITFCN initFcn = GetInitFunction();
      USERFCN0 userFcn = GetUserFunction0();
      if(userFcn == NULL)
	{
	  error.value = -4;
	  error.msg = "Error loading  user function";
	  return error;
	}
      else if(initFcn == NULL)	
	{
	  error.value = -4;
	  error.msg = "Error loading init function";
	  return error;
	}

      // construct a function with no derivative info 
      // but use finite differences to approximate a first derivative
		
      FDNLF1 * myFunc = new FDNLF1(numVar, userFcn, initFcn, constraints);
      myFunc->setIsExpensive(true);
      myFunc->setX(variables->GetInitialValues());
      if(searchType_ == trustPDS)
	myFunc->setSpecOption(NoSpec);

//.........这里部分代码省略.........
开发者ID:OpenCMISS-Dependencies,项目名称:optpp,代码行数:101,代码来源:NewtonProblem.C

示例2: CreateFunctionOptimizer

OptError CGProblem::CreateFunctionOptimizer(OptimizeClass* &objfcn,
					    NLP0* &func)
{
  OptError error;

  int numVar = GetNumVar();
  int derivOrder = GetDerivOrder();
  VariableList* variables = GetVariables();

  if ((variables->upperExists()) || (variables->lowerExists()) ||
      (variables->linearExists()) || (variables->nonlinearExists()))
  {
    cout << "CG does not support constraints." << endl;
    cout << "Constraints being ignored." << endl;
  }

  // construct a function with 2nd derivative info

  if(derivOrder == 2)
    {
      USERFCN2 userFcn = GetUserFunction2();
      INITFCN initFcn = GetInitFunction();
      if(userFcn == NULL || initFcn == NULL)	
	{
	  error.value = -4;
	  error.msg = "Error loading function";
	  return error;
	}

      NLF2* myFunc = new NLF2(numVar, userFcn, initFcn);
      myFunc->setIsExpensive(true);
      myFunc->setX(variables->GetInitialValues());
      func = myFunc;
    }
  else if(derivOrder == 1)
    {
      // construct a function with 1st derivative info

      USERFCN1 userFcn = GetUserFunction1();
      INITFCN initFcn = GetInitFunction();
      if(userFcn == NULL || initFcn == NULL)	
	{
	  error.value = -4;
	  error.msg = "Error loading function";
	  return error;
	}

      NLF1* myFunc = new NLF1(numVar, userFcn, initFcn);
      myFunc->setIsExpensive(true);
      myFunc->setX(variables->GetInitialValues());
      func = myFunc;
    }
  else if(derivOrder == 0)
    {
      USERFCN0 userFcn = GetUserFunction0();
      INITFCN initFcn = GetInitFunction();
      if(userFcn == NULL || initFcn == NULL)	
	{
	  error.value = -4;
	  error.msg = "Error loading function";
	  return error;
	}

      // construct a function with no derivative info 
      // but use finite differences to approximate a first derivative

      FDNLF1* myFunc = new FDNLF1(numVar, userFcn, initFcn);
      myFunc->setIsExpensive(true);
      myFunc->setX(variables->GetInitialValues());
      func = myFunc;
    }

  objfcn = new OptCG((NLP1 *)func);
  error.value = 0;
  error.msg = "Success";
  return error;
}
开发者ID:OpenCMISS-Dependencies,项目名称:optpp,代码行数:77,代码来源:CGProblem.C


注:本文中的VariableList::GetInitialValues方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。