cmtkMathFunctionWrappers.h

Go to the documentation of this file.
00001 /*
00002 //
00003 //  Copyright 1997-2009 Torsten Rohlfing
00004 //
00005 //  Copyright 2004-2010 SRI International
00006 //
00007 //  This file is part of the Computational Morphometry Toolkit.
00008 //
00009 //  http://www.nitrc.org/projects/cmtk/
00010 //
00011 //  The Computational Morphometry Toolkit is free software: you can
00012 //  redistribute it and/or modify it under the terms of the GNU General Public
00013 //  License as published by the Free Software Foundation, either version 3 of
00014 //  the License, or (at your option) any later version.
00015 //
00016 //  The Computational Morphometry Toolkit is distributed in the hope that it
00017 //  will be useful, but WITHOUT ANY WARRANTY; without even the implied
00018 //  warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00019 //  GNU General Public License for more details.
00020 //
00021 //  You should have received a copy of the GNU General Public License along
00022 //  with the Computational Morphometry Toolkit.  If not, see
00023 //  <http://www.gnu.org/licenses/>.
00024 //
00025 //  $Revision: 2498 $
00026 //
00027 //  $LastChangedDate: 2010-10-25 11:57:56 -0700 (Mon, 25 Oct 2010) $
00028 //
00029 //  $LastChangedBy: torstenrohlfing $
00030 //
00031 */
00032 
00033 #include <cmtkconfig.h>
00034 
00035 #include <math.h>
00036 
00037 namespace
00038 cmtk
00039 {
00040 
00047 namespace
00048 Wrappers
00049 {
00050 
00052 double
00053 Log( const double x )
00054 {
00055   return log( x );
00056 }
00057 
00059 double
00060 Exp( const double x )
00061 {
00062   return Exp( x );
00063 }
00064 
00066 double
00067 Sqrt( const double x )
00068 {
00069   return sqrt( x );
00070 }
00071 
00073 double
00074 Abs( const double x )
00075 {
00076   return fabs( x );
00077 }
00078 
00079 double
00080 Trunc( const double x )
00081 {
00082 #ifdef _MSC_VER
00083   return static_cast<double>( static_cast<long int>( x ) );
00084 #else
00085   return trunc( x );
00086 #endif
00087 }
00088 
00089 
00090 } // namespace Wrappers
00091 
00092 } // namespace cmtk
00093 
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Defines