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/*
//
// Copyright 1997-2009 Torsten Rohlfing
//
// Copyright 2004-2011 SRI International
//
// This file is part of the Computational Morphometry Toolkit.
//
// http://www.nitrc.org/projects/cmtk/
//
// The Computational Morphometry Toolkit is free software: you can
// redistribute it and/or modify it under the terms of the GNU General Public
// License as published by the Free Software Foundation, either version 3 of
// the License, or (at your option) any later version.
//
// The Computational Morphometry Toolkit is distributed in the hope that it
// will be useful, but WITHOUT ANY WARRANTY; without even the implied
// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with the Computational Morphometry Toolkit. If not, see
// <http://www.gnu.org/licenses/>.
//
// $Revision: 5436 $
//
// $LastChangedDate: 2018-12-10 19:01:20 -0800 (Mon, 10 Dec 2018) $
//
// $LastChangedBy: torstenrohlfing $
//
*/
#include "cmtkMathFunctionWrappers.h"
namespace
cmtk
{
namespace
Wrappers
{
double
Log( const double x )
{
return log( x );
}
double
Exp( const double x )
{
return exp( x );
}
double
Sqrt( const double x )
{
return sqrt( x );
}
double
Abs( const double x )
{
return fabs( x );
}
double
Trunc( const double x )
{
#ifdef _MSC_VER
return static_cast<double>( static_cast<long int>( x ) );
#else
return trunc( x );
#endif
}
double Square( const double x )
{
return x*x;
}
double Logit( const double x )
{
return log(x / (1.0-x));
}
double Logistic( const double x )
{
return 1.0/(1.0+exp(-x));
}
} // namespace Wrappers
} // namespace cmtk
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