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#ifndef NEURAL_SLOPE_STD_H
#define NEURAL_SLOPE_STD_H
#include <math.h>
#include "neural/slope.h"
namespace Neural
{
template<typename sigtype>
sigtype tpltanh( sigtype sInput );
template<>
float tpltanh<float>( float sInput )
{
return tanhf( sInput );
}
template<>
double tpltanh<double>( double sInput )
{
return tanh( sInput );
}
template<>
long double tpltanh<long double>( long double sInput )
{
return tanhl( sInput );
}
template<typename sigtype>
class SlopeStd : public Slope<sigtype>
{
public:
SlopeStd( sigtype sSlope=1.0 ) :
sSlope( sSlope )
{
}
virtual ~SlopeStd()
{
}
virtual sigtype operator()( sigtype sInput )
{
return (tpltanh<sigtype>(2.0*sSlope*sInput) + 1.0)/2.0;
}
private:
sigtype sSlope;
};
};
#endif
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