dvar.cpp

Go to the documentation of this file.

#include "fvar.hpp"

#ifdef __TURBOC__
  #pragma hdrstop
  #include <iostream.h>
   #include <iomanip.h>
#endif

#ifdef __ZTC__
  #include <iostream.hpp>
   #include <iomanip.hpp>
#endif

#include <stdio.h>
#include <math.h>

double sigmoid(const double v1)
{
  return(atan(v1)/2.8);
}