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<H3> Extraction of properties of abstract values of level 1 </H3>
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<P>
<A NAME="IDX318"></A>
<DL>
<DT><U>Function:</U> ap_interval_t* <B>ap_abstract1_bound_variable</B> <I>(ap_manager_t* <VAR>man</VAR>, ap_abstract1_t* <VAR>a</VAR>, ap_var_t <VAR>var</VAR>)</I>
<DD>Return the interval taken by the variable <VAR>var</VAR> over the abstract
value <VAR>a</VAR>.
</DL>
</P><P>
<A NAME="IDX319"></A>
<DL>
<DT><U>Function:</U> ap_interval_t* <B>ap_abstract1_bound_linexpr</B> <I>(ap_manager_t* <VAR>man</VAR>, ap_abstract1_t* <VAR>a</VAR>, ap_linexpr1_t* <VAR>expr</VAR>)</I>
<DD><A NAME="IDX320"></A>
<DT><U>Function:</U> ap_interval_t* <B>ap_abstract1_bound_texpr</B> <I>(ap_manager_t* <VAR>man</VAR>, ap_abstract1_t* <VAR>a</VAR>, ap_texpr1_t* <VAR>expr</VAR>)</I>
<DD>Return the interval taken by the expression <VAR>expr</VAR> over
the abstract value <VAR>a</VAR>.
</P><P>
In the case of truly linear expression, this function allows to solve
a Linear Programming (LP) problem, but depending on the underlying
domain the solution may be not optimal.
</DL>
</P><P>
<A NAME="IDX321"></A>
<DL>
<DT><U>Function:</U> ap_box1_t <B>ap_abstract1_to_box</B> <I>(ap_manager_t* <VAR>man</VAR>, ap_abstract1_t* <VAR>a</VAR>)</I>
<DD>Convert <VAR>a</VAR> to an interval/hypercube.
</DL>
</P><P>
<A NAME="IDX322"></A>
<DL>
<DT><U>Function:</U> ap_lincons1_array_t <B>ap_abstract1_to_lincons_array</B> <I>(ap_manager_t* <VAR>man</VAR>, ap_abstract1_t* <VAR>a</VAR>)</I>
<DD><A NAME="IDX323"></A>
<DT><U>Function:</U> ap_tcons1_array_t <B>ap_abstract1_to_tcons_array</B> <I>(ap_manager_t* <VAR>man</VAR>, ap_abstract1_t* <VAR>a</VAR>)</I>
<DD>Convert <VAR>a</VAR> to a conjunction of linear (resp. tree)
constraints.
</P><P>
The constraints are normally guaranteed to be without intervals.
</DL>
</P><P>
<A NAME="IDX324"></A>
<DL>
<DT><U>Function:</U> ap_generator1_array_t <B>ap_abstract1_to_generator_array</B> <I>(ap_manager_t* <VAR>man</VAR>, ap_abstract1_t* <VAR>a</VAR>)</I>
<DD>Convert <VAR>a</VAR> to an array of generators.
</DL>
</P><P>
<A NAME="Meet and Join of abstract values of level 1"></A>
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