utility.h

三维空战VC源码

/*****************************************************************************
 * VCGLib                                                                    *
 *					                                                         *
 * Visual Computing Group                                                o>  *
 * IEI Institute, CNUCE Institute, CNR Pisa                             <|   *
 *                                                                      / \  *
 * Copyright(C) 1999 by Paolo Cignoni, Claudio Rocchini                      *
 * All rights reserved.                                                      *
 *					                                                         *
 * Permission  to use, copy, modify, distribute  and sell this  software and *
 * its documentation for any purpose is hereby granted without fee, provided *
 * that  the above copyright notice appear  in all copies and that both that *
 * copyright   notice  and  this  permission  notice  appear  in  supporting *
 * documentation. the author makes  no representations about the suitability *
 * of this software for any purpose. It is provided  "as is" without express *
 * or implied warranty.                                                      *
 *					                                                         *
 *****************************************************************************/
/****************************************************************************
  History

 1999 Feb 02 First Draft.
 1999 May 15 Corrected Scope of sqrt.. (added ::)

****************************************************************************/
#ifndef __VCGLIB_UTILITY
#define __VCGLIB_UTILITY

#include <math.h>
namespace vcg {
  inline int		sqrt(int v)	   {return int(::sqrt(v));};
  inline short  sqrt(short v)  {return short(::sqrtf(v));};
  inline float  sqrt(float v)  {return ::sqrtf(v);};
  inline double sqrt(double v) {return ::sqrt(v);};
  inline int		abs(int v)	   {return ::abs(v);};
  inline short  abs(short v)   {return short(::abs(v));};
  inline float  abs(float v)   {return ::fabsf(v);};
  inline double abs(double v)  {return ::fabs(v);};
}
#endif