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<H3> Datatypes for tree expressions of level 1 </H3>
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<P>
<A NAME="IDX229"></A>
<DL>
<DT><U>datatype:</U> <B>ap_texpr1_t</B>
<DD>Type of tree expressions.
</P><P>
Tree expressions of level 1 are created as objects of type
<CODE>ap_texpr1_t*</CODE>. They are manipulated in a functional way (except
a few operations), unlike linear expressions on which most operations
acts by side-effects.
</DL>
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<A NAME="IDX230"></A>
<DL>
<DT><U>datatype:</U> <B>ap_texpr_op_t</B>
<DD>Operators (actually defined in <TT>`ap_texpr0.h'</TT>)
<TABLE><tr><td> </td><td class=example><pre>typedef enum ap_texpr_op_t {
/* Binary operators */
AP_TEXPR_ADD, AP_TEXPR_SUB, AP_TEXPR_MUL, AP_TEXPR_DIV,
AP_TEXPR_MOD, /* either integer or real, no rounding */
/* Unary operators */
AP_TEXPR_NEG /* no rounding */,
AP_TEXPR_CAST, AP_TEXPR_SQRT,
} ap_texpr_op_t;
</pre></td></tr></table></DL>
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<A NAME="IDX231"></A>
<DL>
<DT><U>datatype:</U> <B>ap_texpr_rtype_t</B>
<DD>Destination type of the operation for rounding (actually defined in <TT>`ap_texpr0.h'</TT>)
<TABLE><tr><td> </td><td class=example><pre>typedef enum ap_texpr_rtype_t {
AP_RTYPE_REAL, /* real (no rounding) */
AP_RTYPE_INT, /* integer */
AP_RTYPE_SINGLE, /* IEEE 754 32-bit single precision, e.g.: C's float */
AP_RTYPE_DOUBLE, /* IEEE 754 64-bit double precision, e.g.: C's double */
AP_RTYPE_EXTENDED, /* non-standard 80-bit double extended, e.g.: Intel's long double */
AP_RTYPE_QUAD, /* non-standard 128-bit quadruple precision, e.g.: Motorola's long double */
} ap_texpr_rtype_t;
</pre></td></tr></table></DL>
</P><P>
<A NAME="IDX232"></A>
<DL>
<DT><U>datatype:</U> <B>ap_texpr_rdir_t</B>
<DD>Rounding mode (actually defined in <TT>`ap_texpr0.h'</TT>)
<TABLE><tr><td> </td><td class=example><pre>typedef enum ap_texpr_rdir_t {
AP_RDIR_NEAREST /* Nearest */
AP_RDIR_ZERO /* Zero (truncation for integers) */
AP_RDIR_UP /* + Infinity */
AP_RDIR_DOWN /* - Infinity */
AP_RDIR_RND, /* All possible mode, non deterministically */
AP_RDIR_SIZE /* Not to be used ! */
} ap_texpr_rdir_t;
</pre></td></tr></table></DL>
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<A NAME="Constructors/Destructors for tree expressions of level 1"></A>
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