api/html/agrad_2rev_2functions_2step_8hpp_source.html

 #ifndef STAN__AGRAD__REV__FUNCTIONS__STEP_HPP

 #define STAN__AGRAD__REV__FUNCTIONS__STEP_HPP


 #include <stan/agrad/rev/var.hpp>


 namespace stan {

   namespace agrad {


     inline var step(const stan::agrad::var& a) {

       return var(new vari(a.vi_->val_ < 0.0 ? 0.0 : 1.0));

     }


   }

 }

 #endif

stan::agrad::vari::val_
const double val_
The value of this variable.
Definition: vari.hpp:37

stan::agrad::var::vi_
vari * vi_
Pointer to the implementation of this variable.
Definition: var.hpp:40

stan::agrad::vari
The variable implementation base class.
Definition: vari.hpp:28

var.hpp

stan::agrad::var
Independent (input) and dependent (output) variables for gradients.
Definition: var.hpp:27

stan::agrad::step
var step(const stan::agrad::var &a)
Return the step, or heaviside, function applied to the specified variable (stan). ...
Definition: step.hpp:25