-------------------------------------
lines 6-64 of file: example/class.cpp
-------------------------------------

{xrst_begin_parent class_example}
{xrst_spell
   var
}

Example Documenting a Class
###########################

{xrst_comment
   |tab| is defined as part of rst_prolog in xrst.toml for this project
}
Syntax
******
| |tab| ``ad_double`` *var* ( *value* , *derivative* )
| |tab| ``ad_double`` *other* ( *value* , *derivative* )
| |tab| *var*.\ ``value``\ ()
| |tab| *var*.\ ``derivative``\ ()
| |tab| *var* + *other*
| |tab| *var* - *other*
| |tab| *var* * *other*
| |tab| *var* / *other*

Prototype
*********
{xrst_literal ,
   // BEGIN_CTOR, END_CTOR
   // BEGIN_VALUE, END_VALUE
   // BEGIN_DERIVATIVE, END_DERIVATIVE
   // BEGIN_ADD, END_ADD
   // BEGIN_SUB, END_SUB
   // BEGIN_MUL, END_MUL
   // BEGIN_DIV, END_DIV
}

Discussion
**********
The class ``ad_double`` implements forward mode Algorithm Differentiation (AD)
for the add, subtract, multiply and divide operations.


Example
*******
The function :ref:`example_ad_double-name` is an example for using this class.

Test
****
The main program :ref:`test_ad_double-name` runs the example above.

{xrst_comment
   Hide the table of contents for the children of this page
   because they are discussed under Example and Test above
}
{xrst_toc_hidden }

This Example File
*****************
{xrst_literal}

{xrst_end class_example}