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<p>The package <code>abs_integrate</code> extends Maxima&rsquo;s integration code to
some integrands that involve the absolute value, max, min, signum, or
unit step functions. For integrands of the form <em>p(x) |q(x)|</em>,
where <em>p</em> is a polynomial and <em>q</em> is a polynomial that
<code>factor</code> is able to factor into a product of linear or constant
terms, the <code>abs_integrate</code> package determines an antiderivative
that is continuous on the entire real line. Additionally