gmNanBoxedValue.h

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/************************************************************************
**
** Copyright (C) 2014 by Carlos Augusto Teixera Mendes
** All rights reserved.
**
** This file is part of the "GeMA" software. It's use should respect
** the terms in the license agreement that can be found together 
** with this source code.
** It is provided AS IS, with NO WARRANTY OF ANY KIND, 
** INCLUDING THE WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR 
** A PARTICULAR PURPOSE.
**
************************************************************************/
 
#ifndef _GEMA_NANBOXED_VALUE_H_
#define _GEMA_NANBOXED_VALUE_H_
 
#include "gmCoreConfig.h"
 
class GmUserFunction;
class GmUserFunctionEvaluator;
 
#include <qtNanBoxedValue.h>
 
 
class GmNanBoxedValue : public QtNanBoxedValue
{
public:
 
  enum PointerTags
  {
    UserFunction      = 0, 
    FunctionEvaluator = 1, 
  };
 
  GmNanBoxedValue() {}
 
  GmNanBoxedValue(double value) : QtNanBoxedValue(value) {}
 
  GmNanBoxedValue(GmUserFunction* ptr) : QtNanBoxedValue(ptr, UserFunction) {}
  
  GmNanBoxedValue(GmUserFunctionEvaluator* ptr) : QtNanBoxedValue(ptr, FunctionEvaluator) {}
 
  bool isUserFunction() const { return ptrTag() == UserFunction; }
 
  bool isUserFunctionEvaluator() const { return ptrTag() == FunctionEvaluator; }
 
  GmUserFunction* toUserFunction() const { assert(isUserFunction()); return toPtr<GmUserFunction>(); }
 
  GmUserFunctionEvaluator* toUserFunctionEvaluator() const { assert(isUserFunctionEvaluator()); return toPtr<GmUserFunctionEvaluator>(); }
};
 
class GmNanBoxedIndex : public QtNanBoxedValue
{
public:
 
  enum PointerTags
  {
    IndexValue = 6, 
  };
 
  GmNanBoxedIndex() {}
 
  GmNanBoxedIndex(double value, bool normalizeNans) : QtNanBoxedValue(value, normalizeNans) {}
 
  explicit GmNanBoxedIndex(unsigned index) : QtNanBoxedValue((void*)((quint64)index), IndexValue) {}
 
  bool isIndex() const { return ptrTag() == IndexValue; }
 
  unsigned toIndex() const { assert(isIndex()); return (unsigned)((quint64)toPointer()); }
};
 
 
Q_DECLARE_TYPEINFO(GmNanBoxedValue, Q_PRIMITIVE_TYPE);
 
#endif