cgal/cgal_window/include/CGAL/LEDA/basic.h

82 lines
2.0 KiB
C++

// Copyright (c) 1999 Martin-Luther-University Halle-Wittenberg (Germany).
// All rights reserved.
//
// This file is part of CGAL (www.cgal.org); you may redistribute it under
// the terms of the Q Public License version 1.0.
// See the file LICENSE.QPL distributed with CGAL.
//
// Licensees holding a valid commercial license may use this file in
// accordance with the commercial license agreement provided with the software.
//
// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
//
// $URL$
// $Id$
//
//
// Author(s) : Matthias Baesken, Algorithmic Solutions
#ifndef CGAL_WINDOW_BASIC_H
#define CGAL_WINDOW_BASIC_H
// include system config file
#if defined(CGAL_USE_CGAL_HEADERS)
#include <CGAL/basic.h>
#else
#if !defined(CGAL_CLIB_STD)
#if defined(_MSC_VER)
#define CGAL_CLIB_STD
#else
#define CGAL_CLIB_STD std
#endif
#endif
#endif
#include <CGAL/LEDA/system.h>
// include std header files
#include <iostream>
#include <iomanip>
#include <fstream>
#include <cstddef>
#include <cstdlib>
#include <cmath>
// include basic LEDA headers
#include <CGAL/LEDA/global.h>
#include <string>
namespace CGAL {
extern __exportF void leda_wait(double sec);
/*{\Mfunc suspends execution for $sec$ seconds.}*/
// maximal and minimal values for some numerical types
inline int Max_Value(int& x) { return x = MAXINT; }
inline int Min_Value(int& x) { return x = -MAXINT; }
inline double Max_Value(double& x) { return x = MAXDOUBLE;}
inline double Min_Value(double& x) { return x = -MAXDOUBLE;}
extern __exportF double truncate(double x, int k = 10);
/*{\Mfunc returns a double whose mantissa is truncated after $k-1$ bits after the binary point, i.e, if
$x \not= 0$ then the binary representation of the mantissa of the
result has the form d.dddddddd, where the number of d's is equal to $k$.
There is a corresponding function for
|integers|; it has no effect.}*/
}
#endif