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<link title="Weak" rel="Chapter" href="Weak.html"><title>Arith_status</title>
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<center><h1>Module <a href="type_Arith_status.html">Arith_status</a></h1></center>
<br>
<pre><span class="keyword">module</span> Arith_status: <code class="code"><span class="keyword">sig</span></code> <a href="Arith_status.html">..</a> <code class="code"><span class="keyword">end</span></code></pre>Flags that control rational arithmetic.<br>
<hr width="100%">
<pre><span id="VALarith_status"><span class="keyword">val</span> arith_status</span> : <code class="type">unit -> unit</code></pre><div class="info">
Print the current status of the arithmetic flags.<br>
</div>
<pre><span id="VALget_error_when_null_denominator"><span class="keyword">val</span> get_error_when_null_denominator</span> : <code class="type">unit -> bool</code></pre><div class="info">
See <a href="Arith_status.html#VALset_error_when_null_denominator"><code class="code"><span class="constructor">Arith_status</span>.set_error_when_null_denominator</code></a>.<br>
</div>
<pre><span id="VALset_error_when_null_denominator"><span class="keyword">val</span> set_error_when_null_denominator</span> : <code class="type">bool -> unit</code></pre><div class="info">
Get or set the flag <code class="code">null_denominator</code>. When on, attempting to
create a rational with a null denominator raises an exception.
When off, rationals with null denominators are accepted.
Initially: on.<br>
</div>
<pre><span id="VALget_normalize_ratio"><span class="keyword">val</span> get_normalize_ratio</span> : <code class="type">unit -> bool</code></pre><div class="info">
See <a href="Arith_status.html#VALset_normalize_ratio"><code class="code"><span class="constructor">Arith_status</span>.set_normalize_ratio</code></a>.<br>
</div>
<pre><span id="VALset_normalize_ratio"><span class="keyword">val</span> set_normalize_ratio</span> : <code class="type">bool -> unit</code></pre><div class="info">
Get or set the flag <code class="code">normalize_ratio</code>. When on, rational
numbers are normalized after each operation. When off,
rational numbers are not normalized until printed.
Initially: off.<br>
</div>
<pre><span id="VALget_normalize_ratio_when_printing"><span class="keyword">val</span> get_normalize_ratio_when_printing</span> : <code class="type">unit -> bool</code></pre><div class="info">
See <a href="Arith_status.html#VALset_normalize_ratio_when_printing"><code class="code"><span class="constructor">Arith_status</span>.set_normalize_ratio_when_printing</code></a>.<br>
</div>
<pre><span id="VALset_normalize_ratio_when_printing"><span class="keyword">val</span> set_normalize_ratio_when_printing</span> : <code class="type">bool -> unit</code></pre><div class="info">
Get or set the flag <code class="code">normalize_ratio_when_printing</code>.
When on, rational numbers are normalized before being printed.
When off, rational numbers are printed as is, without normalization.
Initially: on.<br>
</div>
<pre><span id="VALget_approx_printing"><span class="keyword">val</span> get_approx_printing</span> : <code class="type">unit -> bool</code></pre><div class="info">
See <a href="Arith_status.html#VALset_approx_printing"><code class="code"><span class="constructor">Arith_status</span>.set_approx_printing</code></a>.<br>
</div>
<pre><span id="VALset_approx_printing"><span class="keyword">val</span> set_approx_printing</span> : <code class="type">bool -> unit</code></pre><div class="info">
Get or set the flag <code class="code">approx_printing</code>.
When on, rational numbers are printed as a decimal approximation.
When off, rational numbers are printed as a fraction.
Initially: off.<br>
</div>
<pre><span id="VALget_floating_precision"><span class="keyword">val</span> get_floating_precision</span> : <code class="type">unit -> int</code></pre><div class="info">
See <a href="Arith_status.html#VALset_floating_precision"><code class="code"><span class="constructor">Arith_status</span>.set_floating_precision</code></a>.<br>
</div>
<pre><span id="VALset_floating_precision"><span class="keyword">val</span> set_floating_precision</span> : <code class="type">int -> unit</code></pre><div class="info">
Get or set the parameter <code class="code">floating_precision</code>.
This parameter is the number of digits displayed when
<code class="code">approx_printing</code> is on.
Initially: 12.<br>
</div>
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