IpUtils.hpp

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// Copyright (C) 2004, 2009 International Business Machines and others.
// All Rights Reserved.
// This code is published under the Eclipse Public License.
//
// $Id: IpUtils.hpp 2167 2013-03-08 11:15:38Z stefan $
//
// Authors:  Carl Laird, Andreas Waechter     IBM    2004-08-13

#ifndef __IPUTILS_HPP__
#define __IPUTILS_HPP__

// Standard Ip Include Files
#include "IpTypes.hpp"
#include "IpDebug.hpp"

namespace Ipopt
{

  inline Index Max(Index a, Index b)
  {
    return ((a) > (b) ? (a) : (b));
  }

  inline Index Max(Index a, Index b, Index c)
  {
    Index max = Max(a,b);
    max = Max(max, c);
    return max;
  }

  inline Index Max(Index a, Index b, Index c, Index d)
  {
    Index max = Max(a, b, c);
    max = Max(max, d);
    return max;
  }

  inline Index Min(Index a, Index b)
  {
    return ((a) < (b) ? (a) : (b));
  }

  inline Index Min(Index a, Index b, Index c)
  {
    Index min = Min(a,b);
    min = Min(min, c);
    return min;
  }

  inline Index Min(Index a, Index b, Index c, Index d)
  {
    Index min = Min(a, b, c);
    min = Min(min, d);
    return min;
  }


  inline Number Max(Number a, Number b)
  {
    return ((a) > (b) ? (a) : (b));
  }

  inline Number Max(Number a, Number b, Number c)
  {
    Number max = Max(a,b);
    max = Max(max, c);
    return max;
  }

  inline Number Max(Number a, Number b, Number c, Number d)
  {
    Number max = Max(a, b, c);
    max = Max(max, d);
    return max;
  }

  inline Number Min(Number a, Number b)
  {
    return ((a) < (b) ? (a) : (b));
  }

  inline Number Min(Number a, Number b, Number c)
  {
    Number min = Min(a,b);
    min = Min(min, c);
    return min;
  }

  inline Number Min(Number a, Number b, Number c, Number d)
  {
    Number min = Min(a, b, c);
    min = Min(min, d);
    return min;
  }

  bool IsFiniteNumber(Number val);

  Number IpRandom01();

  void IpResetRandom01();

  Number CpuTime();

  Number SysTime();

  Number WallclockTime();

  bool Compare_le(Number lhs, Number rhs, Number BasVal);

  int Snprintf(char* str, long size, const char* format, ...);

} //namespace Ipopt

#endif