///////////////////////////////////////////////////////////////////////////////
|
// Copyright (C) 2002-2016, Open Design Alliance (the "Alliance").
|
// All rights reserved.
|
//
|
// This software and its documentation and related materials are owned by
|
// the Alliance. The software may only be incorporated into application
|
// programs owned by members of the Alliance, subject to a signed
|
// Membership Agreement and Supplemental Software License Agreement with the
|
// Alliance. The structure and organization of this software are the valuable
|
// trade secrets of the Alliance and its suppliers. The software is also
|
// protected by copyright law and international treaty provisions. Application
|
// programs incorporating this software must include the following statement
|
// with their copyright notices:
|
//
|
// This application incorporates Teigha(R) software pursuant to a license
|
// agreement with Open Design Alliance.
|
// Teigha(R) Copyright (C) 2002-2016 by Open Design Alliance.
|
// All rights reserved.
|
//
|
// By use of this software, its documentation or related materials, you
|
// acknowledge and accept the above terms.
|
///////////////////////////////////////////////////////////////////////////////
|
|
|
|
|
#ifndef _ODROUND_INCLUDED_
|
#define _ODROUND_INCLUDED_
|
|
#include <math.h>
|
#include <limits.h>
|
|
inline double OdRound(double a)
|
{
|
double aFloor = ::floor(a);
|
if(a-aFloor >= 0.5)
|
return aFloor+1.0;
|
return aFloor;
|
}
|
|
|
inline long OdRoundToLong(double a)
|
{
|
if (a >= 0.)
|
{
|
a += .5;
|
if (a > double(LONG_MAX))
|
throw OdError(eArithmeticOverflow);
|
return long(a);
|
}
|
else
|
{
|
a -= .5;
|
if (a < double(LONG_MIN))
|
throw OdError(eArithmeticOverflow);
|
return long(a);
|
}
|
}
|
|
inline long OdTruncateToLong(double a)
|
{
|
if (a >= 0.)
|
{
|
a += .5;
|
if (a > double(LONG_MAX))
|
return LONG_MAX;
|
else
|
return long(a);
|
}
|
else
|
{
|
a -= .5;
|
if (a < double(LONG_MIN))
|
return LONG_MIN;
|
else
|
return long(a);
|
}
|
}
|
|
#endif //#ifndef _ODROUND_INCLUDED_
|
