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+<a name="Arithmetic-In-Guile"></a>
+<div class="header">
+<p>
+Next: <a href="Types-In-Guile.html#Types-In-Guile" accesskey="n" rel="next">Types In Guile</a>, Previous: <a href="Values-From-Inferior-In-Guile.html#Values-From-Inferior-In-Guile" accesskey="p" rel="previous">Values From Inferior In Guile</a>, Up: <a href="Guile-API.html#Guile-API" accesskey="u" rel="up">Guile API</a> &nbsp; [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Concept-Index.html#Concept-Index" title="Index" rel="index">Index</a>]</p>
+</div>
+<hr>
+<a name="Arithmetic-In-Guile-1"></a>
+<h4 class="subsubsection">23.4.3.6 Arithmetic In Guile</h4>
+
+<p>The <code>(gdb)</code> module provides several functions for performing
+arithmetic on <code>&lt;gdb:value&gt;</code> objects.
+The arithmetic is performed as if it were done by the target,
+and therefore has target semantics which are not necessarily
+those of Scheme.  For example operations work with a fixed precision,
+not the arbitrary precision of Scheme.
+</p>
+<p>Wherever a function takes an integer or pointer as an operand,
+<small>GDB</small> will convert appropriate Scheme values to perform
+the operation.
+</p>
+<dl>
+<dt><a name="index-value_002dadd"></a>Scheme Procedure: <strong>value-add</strong> <em>a b</em></dt>
+</dl>
+
+<dl>
+<dt><a name="index-value_002dsub"></a>Scheme Procedure: <strong>value-sub</strong> <em>a b</em></dt>
+</dl>
+
+<dl>
+<dt><a name="index-value_002dmul"></a>Scheme Procedure: <strong>value-mul</strong> <em>a b</em></dt>
+</dl>
+
+<dl>
+<dt><a name="index-value_002ddiv"></a>Scheme Procedure: <strong>value-div</strong> <em>a b</em></dt>
+</dl>
+
+<dl>
+<dt><a name="index-value_002drem"></a>Scheme Procedure: <strong>value-rem</strong> <em>a b</em></dt>
+</dl>
+
+<dl>
+<dt><a name="index-value_002dmod"></a>Scheme Procedure: <strong>value-mod</strong> <em>a b</em></dt>
+</dl>
+
+<dl>
+<dt><a name="index-value_002dpow"></a>Scheme Procedure: <strong>value-pow</strong> <em>a b</em></dt>
+</dl>
+
+<dl>
+<dt><a name="index-value_002dnot"></a>Scheme Procedure: <strong>value-not</strong> <em>a</em></dt>
+</dl>
+
+<dl>
+<dt><a name="index-value_002dneg"></a>Scheme Procedure: <strong>value-neg</strong> <em>a</em></dt>
+</dl>
+
+<dl>
+<dt><a name="index-value_002dpos"></a>Scheme Procedure: <strong>value-pos</strong> <em>a</em></dt>
+</dl>
+
+<dl>
+<dt><a name="index-value_002dabs"></a>Scheme Procedure: <strong>value-abs</strong> <em>a</em></dt>
+</dl>
+
+<dl>
+<dt><a name="index-value_002dlsh"></a>Scheme Procedure: <strong>value-lsh</strong> <em>a b</em></dt>
+</dl>
+
+<dl>
+<dt><a name="index-value_002drsh"></a>Scheme Procedure: <strong>value-rsh</strong> <em>a b</em></dt>
+</dl>
+
+<dl>
+<dt><a name="index-value_002dmin"></a>Scheme Procedure: <strong>value-min</strong> <em>a b</em></dt>
+</dl>
+
+<dl>
+<dt><a name="index-value_002dmax"></a>Scheme Procedure: <strong>value-max</strong> <em>a b</em></dt>
+</dl>
+
+<dl>
+<dt><a name="index-value_002dlognot"></a>Scheme Procedure: <strong>value-lognot</strong> <em>a</em></dt>
+</dl>
+
+<dl>
+<dt><a name="index-value_002dlogand"></a>Scheme Procedure: <strong>value-logand</strong> <em>a b</em></dt>
+</dl>
+
+<dl>
+<dt><a name="index-value_002dlogior"></a>Scheme Procedure: <strong>value-logior</strong> <em>a b</em></dt>
+</dl>
+
+<dl>
+<dt><a name="index-value_002dlogxor"></a>Scheme Procedure: <strong>value-logxor</strong> <em>a b</em></dt>
+</dl>
+
+<dl>
+<dt><a name="index-value_003d_003f"></a>Scheme Procedure: <strong>value=?</strong> <em>a b</em></dt>
+</dl>
+
+<dl>
+<dt><a name="index-value_003c_003f"></a>Scheme Procedure: <strong>value&lt;?</strong> <em>a b</em></dt>
+</dl>
+
+<dl>
+<dt><a name="index-value_003c_003d_003f"></a>Scheme Procedure: <strong>value&lt;=?</strong> <em>a b</em></dt>
+</dl>
+
+<dl>
+<dt><a name="index-value_003e_003f"></a>Scheme Procedure: <strong>value&gt;?</strong> <em>a b</em></dt>
+</dl>
+
+<dl>
+<dt><a name="index-value_003e_003d_003f"></a>Scheme Procedure: <strong>value&gt;=?</strong> <em>a b</em></dt>
+</dl>
+
+<p>Scheme does not provide a <code>not-equal</code> function,
+and thus Guile support in <small>GDB</small> does not either.
+</p>
+<hr>
+<div class="header">
+<p>
+Next: <a href="Types-In-Guile.html#Types-In-Guile" accesskey="n" rel="next">Types In Guile</a>, Previous: <a href="Values-From-Inferior-In-Guile.html#Values-From-Inferior-In-Guile" accesskey="p" rel="previous">Values From Inferior In Guile</a>, Up: <a href="Guile-API.html#Guile-API" accesskey="u" rel="up">Guile API</a> &nbsp; [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Concept-Index.html#Concept-Index" title="Index" rel="index">Index</a>]</p>
+</div>
+
+
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