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<htmlxmlns="http://www.w3.org/1999/xhtml"><head><title>Pulselib__PulseCItv (infer.Pulselib__PulseCItv)</title><linkrel="stylesheet"href="../../odoc.css"/><metacharset="utf-8"/><metaname="generator"content="odoc 1.5.1"/><metaname="viewport"content="width=device-width,initial-scale=1.0"/><scriptsrc="../../highlight.pack.js"></script><script>hljs.initHighlightingOnLoad();</script></head><body><divclass="content"><header><nav><ahref="../index.html">Up</a>–<ahref="../index.html">infer</a>» Pulselib__PulseCItv</nav><h1>Module <code>Pulselib__PulseCItv</code></h1></header><divclass="spec module"id="module-F"><ahref="#module-F"class="anchor"></a><code><spanclass="keyword">module</span> F = Stdlib.Format</code></div><aside><p>Concrete interval domain (CItv)</p></aside><dl><dtclass="spec type"id="type-t"><ahref="#type-t"class="anchor"></a><code><spanclass="keyword">type</span> t</code></dt></dl><div><divclass="spec include"><divclass="doc"><dl><dtclass="spec value"id="val-compare"><ahref="#val-compare"class="anchor"></a><code><spanclass="keyword">val</span> compare : <ahref="index.html#type-t">t</a><span>-></span><ahref="index.html#type-t">t</a><span>-></span> int</code></dt></dl></div></div></div><dl><dtclass="spec value"id="val-equal_to"><ahref="#val-equal_to"class="anchor"></a><code><spanclass="keyword">val</span> equal_to : <ahref="../IR/IntLit/index.html#type-t">IR.IntLit.t</a><span>-></span><ahref="index.html#type-t">t</a></code></dt><dtclass="spec value"id="val-is_equal_to_zero"><ahref="#val-is_equal_to_zero"class="anchor"></a><code><spanclass="keyword">val</span> is_equal_to_zero : <ahref="index.html#type-t">t</a><span>-></span> bool</code></dt><dtclass="spec value"id="val-as_int"><ahref="#val-as_int"class="anchor"></a><code><spanclass="keyword">val</span> as_int : <ahref="index.html#type-t">t</a><span>-></span><span>int option</span></code></dt><dd><p><code>as_int v</code> returns <code>Some x</code> if <code>v</code> is known to be <code>x</code></p></dd></dl><dl><dtclass="spec value"id="val-pp"><ahref="#val-pp"class="anchor"></a><code><spanclass="keyword">val</span> pp : <ahref="index.html#module-F">F</a>.formatter <span>-></span><ahref="index.html#type-t">t</a><span>-></span> unit</code></dt></dl><dl><dtclass="spec type"id="type-abduction_result"><ahref="#type-abduction_result"class="anchor"></a><code><spanclass="keyword">type</span> abduction_result</code><code> = </code><tableclass="variant"><trid="type-abduction_result.Unsatisfiable"class="anchored"><tdclass="def constructor"><ahref="#type-abduction_result.Unsatisfiable"class="anchor"></a><code>| </code><code><spanclass="constructor">Unsatisfiable</span></code></td><tdclass="doc"><p>the assertion is never true given the parameters</p></td></tr><trid="type-abduction_result.Satisfiable"class="anchored"><tdclass="def constructor"><ahref="#type-abduction_result.Satisfiable"class="anchor"></a><code>| </code><code><spanclass="constructor">Satisfiable</span><spanclass="keyword">of</span><span><ahref="index.html#type-t">t</a> option</span> * <span><ahref="index.html#type-t">t</a> option</span></code></td><tdclass="doc"><p>the assertion is satisfiable and when it is true then the lhs and rhs can be optionally refined to the given new intervals</p></td></tr></table></dt></dl><dl><dtclass="spec value"id="val-abduce_binop_is_true"><ahref="#val-abduce_binop_is_true"class="anchor"></a><code><spanclass="keyword">val</span> abduce_binop_is_true : <span>negated:bool</span><span>-></span><ahref="../IR/Binop/index.html#type-t">IR.Binop.t</a><span>-></span><span><ahref="index.html#type-t">t</a> option</span><span>-></span><span><ahref="index.html#type-t">t</a> option</span><span>-></span><ahref="index.html#type-abduction_result">abduction_result</a></code></dt><dd><p>given <code>arith_lhs_opt bop arith_rhs_opt</code> and if not <code>negated</code>, return either</p><ul><li><code>Unsatisfiable</code> iff lhs bop rhs = ∅</li></ul><ul><li><code>Satisfiable (abduced_lhs_opt,abduced_rhs_opt)</code> iff lhs bop rhs ≠ ∅, such that (taking lhs=true if lhs_opt is <code>None</code>, same for rhs) <code>abduced_lhs_opt=Some alhs</code> if (lhs bop rhs ≠ ∅ => alhs⇔lhs) (and similarly for rhs)</li></ul><p>If <code>negated</code> then imagine a similar explanation replacing "= ∅" with "≠ ∅" and vice-versa.</p></dd></dl><dl><dtclass="spec value"id="val-binop"><ahref="#val-binop"class="anchor"></a><code><spanclass="keyword">val</span> binop : <ahref="../IR/Binop/index.html#type-t">IR.Binop.t</a><span>-></span><ahref="index.html#type-t">t</a><span>-></span><ahref="index.html#type-t">t</a><span>-></span><span><ahref="index.html#type-t">t</a> option</span></code></dt><dtclass="spec value"id="val-unop"><ahref="#val-unop"class="anchor"></a><code><spanclass="keyword">val</span> unop : <ahref="../IR/Unop/index.html#type-t">IR.Unop.t</a><span>-></span><ahref="index.html#type-t">t</a><span>-></span><span><ahref="index.html#type-t">t</a> option</span></code></dt><dtclass="spec value"id="val-zero_inf"><ahref="#val-zero_inf"class="anchor"></a><code><spanclass="keyword">val</span> zero_inf : <ahref="index.html#type-t">t</a></code></dt><dtclass="spec value"id="val-ge_to"><ahref="#val-ge_to"class="anchor"></a><code><spanclass="keyword">val</span> ge_to : <ahref="../IR/IntLit/index.html#type-t">IR.IntLit.t</a><span>-></span><ahref="index.html#type-t">t</a></code></dt></dl></div></body></html>
