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<TITLE>APRON 0.9.10: Constructors/Destructors for tree expressions of level 1</TITLE>
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<H3> Constructors/Destructors for tree expressions of level 1 </H3>
<!--docid::SEC115::-->
<P>
Parameters of constructors are not memory-managed by the constructed
expression, with the important exception of expressions parameters
(type <CODE>ap_texpr1.h</CODE>) are, which means that they should not be
freed afterwards.
</P><P>
<A NAME="IDX233"></A>
<DL>
<DT><U>Function:</U> ap_texpr1_t* <B>ap_texpr1_cst</B> <I>(ap_environment_t* <VAR>env</VAR>, ap_coeff_t* <VAR>coeff</VAR>)</I>
<DD><A NAME="IDX234"></A>
<DT><U>Function:</U> ap_texpr1_t* <B>ap_texpr1_cst_scalar</B> <I>(ap_environment_t* <VAR>env</VAR>, ap_scalar_t* <VAR>scalar</VAR>)</I>
<DD><A NAME="IDX235"></A>
<DT><U>Function:</U> ap_texpr1_t* <B>ap_texpr1_cst_scalar_mpq</B> <I>(ap_environment_t* <VAR>env</VAR>, mpq_t <VAR>mpq</VAR>)</I>
<DD><A NAME="IDX236"></A>
<DT><U>Function:</U> ap_texpr1_t* <B>ap_texpr1_cst_scalar_int</B> <I>(ap_environment_t* <VAR>env</VAR>, long int <VAR>num</VAR>)</I>
<DD><A NAME="IDX237"></A>
<DT><U>Function:</U> ap_texpr1_t* <B>ap_texpr1_cst_scalar_frac</B> <I>(ap_environment_t* <VAR>env</VAR>, long int <VAR>num</VAR>, unsigned long int <VAR>den</VAR>)</I>
<DD><A NAME="IDX238"></A>
<DT><U>Function:</U> ap_texpr1_t* <B>ap_texpr1_cst_scalar_double</B> <I>(ap_environment_t* <VAR>env</VAR>, double <VAR>num</VAR>)</I>
<DD><A NAME="IDX239"></A>
<DT><U>Function:</U> ap_texpr1_t* <B>ap_texpr1_cst_interval</B> <I>(ap_environment_t* <VAR>env</VAR>, ap_interval_t* <VAR>itv</VAR>)</I>
<DD><A NAME="IDX240"></A>
<DT><U>Function:</U> ap_texpr1_t* <B>ap_texpr1_cst_interval_scalar</B> <I>(ap_environment_t* <VAR>env</VAR>, ap_scalar_t* <VAR>inf</VAR>, ap_scalar_t* <VAR>sup</VAR>)</I>
<DD><A NAME="IDX241"></A>
<DT><U>Function:</U> ap_texpr1_t* <B>ap_texpr1_cst_interval_mpq</B> <I>(ap_environment_t* <VAR>env</VAR>, mpq_t <VAR>inf</VAR>, mpq_t <VAR>sup</VAR>)</I>
<DD><A NAME="IDX242"></A>
<DT><U>Function:</U> ap_texpr1_t* <B>ap_texpr1_cst_interval_int</B> <I>(ap_environment_t* <VAR>env</VAR>, long int <VAR>inf</VAR>, long int <VAR>sup</VAR>)</I>
<DD><A NAME="IDX243"></A>
<DT><U>Function:</U> ap_texpr1_t* <B>ap_texpr1_cst_interval_frac</B> <I>(ap_environment_t* <VAR>env</VAR>, long int <VAR>numinf</VAR>, unsigned long int <VAR>deninf</VAR>, long int <VAR>numsup</VAR>, unsigned long int <VAR>densup</VAR>)</I>
<DD><A NAME="IDX244"></A>
<DT><U>Function:</U> ap_texpr1_t* <B>ap_texpr1_cst_interval_double</B> <I>(ap_environment_t* <VAR>env</VAR>, double <VAR>inf</VAR>, double <VAR>sup</VAR>)</I>
<DD><A NAME="IDX245"></A>
<DT><U>Function:</U> ap_texpr1_t* <B>ap_texpr1_cst_top</B> <I>(ap_environment_t* <VAR>env</VAR>)</I>
<DD>Create a constant expression, on the environment <VAR>env</VAR>.
</DL>
</P><P>
<A NAME="IDX246"></A>
<DL>
<DT><U>Function:</U> ap_texpr1_t* <B>ap_texpr1_var</B> <I>(ap_environment_t* <VAR>env</VAR>, ap_var_t <VAR>var</VAR>)</I>
<DD>Create a variable expression. Return <CODE>NULL</CODE> in the case <VAR>var</VAR>
is unknown in <VAR>env</VAR>.
</DL>
</P><P>
<A NAME="IDX247"></A>
<DL>
<DT><U>Function:</U> ap_texpr1_t* <B>ap_texpr1_unop</B> <I>(ap_texpr_op_t <VAR>op</VAR>, ap_texpr1_t* <VAR>opA</VAR>, ap_texpr_rtype_t <VAR>type</VAR>, ap_texpr_rdir_t <VAR>dir</VAR>)</I>
<DD><A NAME="IDX248"></A>
<DT><U>Function:</U> ap_texpr1_t* <B>ap_texpr1_binop</B> <I>(ap_texpr_op_t <VAR>op</VAR>, ap_texpr1_t* <VAR>opA</VAR>, ap_texpr1_t* <VAR>opB</VAR>, ap_texpr_rtype_t <VAR>type</VAR>, ap_texpr_rdir_t <VAR>dir</VAR>)</I>
<DD>Create an expression from an operator and expression operand(s). Be
aware that <VAR>opA</VAR> and <VAR>opB</VAR> are memroy-managed by the result
upon return.
</DL>
</P><P>
<A NAME="IDX249"></A>
<DL>
<DT><U>Function:</U> ap_texpr1_t* <B>ap_texpr1_copy</B> <I>(ap_texpr1_t* <VAR>expr</VAR>)</I>
<DD>(Deep) copy of a tree expression.
</DL>
</P><P>
<A NAME="IDX250"></A>
<DL>
<DT><U>Function:</U> ap_texpr1_t* <B>ap_texpr1_from_linexpr1</B> <I>(ap_linexpr1_t* <VAR>linexpr</VAR>)</I>
<DD>Creation from a linear expression.
</DL>
</P><P>
<A NAME="IDX251"></A>
<DL>
<DT><U>Function:</U> void <B>ap_texpr1_free</B> <I>(ap_texpr1_t* <VAR>expr</VAR>)</I>
<DD>Free (recursively) a tree expression.
</DL>
</P><P>
<A NAME="IDX252"></A>
<DL>
<DT><U>Function:</U> void <B>ap_texpr1_fprint</B> <I>(FILE* <VAR>stream</VAR>, ap_texpr1_t* <VAR>e</VAR>)</I>
<DD><A NAME="IDX253"></A>
<DT><U>Function:</U> void <B>ap_texpr1_print</B> <I>(ap_texpr1_t* <VAR>e</VAR>)</I>
<DD>Print the expression
</DL>
</P><P>
<A NAME="Tests on tree expressions of level 1"></A>
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