Ricker.cpp

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#include <admodel.h>
#include <df1b2fun.h>
#include <adrndeff.h> 


/*---------------------------------------------2nd variable is a scalar*/
dvariable Ricker(const double& x,  const prevariable& a,  const prevariable& b)
{
    RETURN_ARRAYS_INCREMENT();  
  dvariable y;
  y=a*x*exp(-b*x);

  RETURN_ARRAYS_DECREMENT();
  return (y);
}
dvar_vector Ricker(const dvector& x,  const prevariable& a,  const prevariable& b)
{
    RETURN_ARRAYS_INCREMENT();  
  dvar_vector y;
  y=a*elem_prod(x, exp(-b*x));

  RETURN_ARRAYS_DECREMENT();  
    return (y);
}
dvar_vector Ricker(const dvector& x,  const dvar_vector& a,  const prevariable& b)
{
    RETURN_ARRAYS_INCREMENT();  
  dvar_vector y;
  y=elem_prod(a, elem_prod(x, exp(-b*x)));

  RETURN_ARRAYS_DECREMENT();  
    return (y);
}
/*---------------------------------------------2nd variable is a vector*/
dvar_vector Ricker(const dvector& x,  const prevariable& a,  const dvar_vector& b)
{
    RETURN_ARRAYS_INCREMENT();  
  dvar_vector y;
  y=a*elem_prod(x, exp(-1.0*elem_prod(b, x)));

  RETURN_ARRAYS_DECREMENT();  
    return (y);
}
dvar_vector Ricker(const dvector& x,  const dvar_vector& a,  const dvar_vector& b)
{
    RETURN_ARRAYS_INCREMENT();  
  dvar_vector y;
  y=elem_prod(a, elem_prod(x, exp(-1.0*elem_prod(b, x))));

  RETURN_ARRAYS_DECREMENT();  
    return (y);
}
/*---------------------------------------------2nd variable is a scalar in a random effects model*/
/*----------------------1st varible contains random effects*/
df1b2variable Ricker(const double& x,  const df1b2variable& a,  const df1b2variable& b)
{
  df1b2variable y;
  y=a*x*exp(-b*x);

    return (y);
}
df1b2vector Ricker(const dvector& x,  const df1b2variable& a,  const df1b2variable& b)
{
  df1b2vector y;
  y=a*elem_prod(x, exp(-b*x));

    return(y);
}
df1b2vector Ricker(const dvector& x,  const df1b2vector& a,  const df1b2variable& b)
{
  df1b2vector y;
  y=elem_prod(a, elem_prod(x, exp(-b*x)));

    return(y);
}

/*---------------------------------------------2nd variable is a vector in a random effects model*/
/*----------------------1st varible contains random effects*/
df1b2vector Ricker(const dvector& x,  const df1b2variable& a,  const df1b2vector& b)
{
  df1b2vector y;
  y=a*elem_prod(x, exp(-1.0*elem_prod(b, x)));

    return(y);
}
df1b2vector Ricker(const dvector& x,  const df1b2vector& a,  const df1b2vector& b)
{
  df1b2vector y;
  y=elem_prod(a, elem_prod(x, exp(-1.0*elem_prod(b, x))));

    return(y);
}