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lines 6-32 of file: example/abs_normal/qp_box.cpp
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{xrst_begin qp_box.cpp}
{xrst_spell
   rl
}

abs_normal qp_box: Example and Test
###################################

Problem
*******
Our original problem is

.. math::

   \begin{array}{rl}
   \R{minimize}      & x_0 - x_1 \; \R{w.r.t} \; x \in \B{R}^2 \\
   \R{subject \; to} & -2 \leq x_0 \leq +2 \; \R{and} \; -2 \leq x_1 \leq +2
   \end{array}

Source
******
{xrst_literal
   // BEGIN C++
   // END C++
}

{xrst_end qp_box.cpp}