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<!doctype html>
<html>
<head>
<link rel="stylesheet" href="../api_static/tomorrow-night.css">
<link rel="stylesheet" href="../api_static/style.css" type="text/css">
<script src="../api_static//highlight.pack.js"></script>
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<script>hljs.initHighlightingOnLoad();</script>
<meta charset="utf8">
<link rel="previous" href="Js_global.html"><link rel="next" href="Js_int64.html">
<title> Js_int </title></head>
<body>
<nav class="module-index"><ul><li><a href="Belt.html">Belt</a></li>
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<li><a href="Node.html">Node</a></li>
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</div>
<h1>Module <a href="type_Js_int.html">Js_int</a></h1>
<pre><span class="keyword">module</span> Js_int: <code class="code">sig</code> <a href="Js_int.html">..</a> <code class="code">end</code></pre><div class="info module top">
<div class="not-examples">
Provides functions for inspecting and manipulating <code class="code">int</code>s<br>
</div>
</div>
<hr width="100%">
<pre><span id="VALtoExponential"><span class="keyword">val</span> toExponential</span> : <code class="type">int -> string</code></pre><div class="info ">
<div class="not-examples">
Formats an <code class="code">int</code> using exponential (scientific) notation
<p>
<b>Returns</b> a <code class="code">string</code> representing the given value in exponential notation<br>
<div class="tag"> <b>Raises</b> <code>RangeError</code> if digits is not in the range [0, 20] (inclusive)<br>
</div><div class="tag"> <b>See also</b> <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/toExponential">MDN</a><br>
</div>
</div>
<div class="examples">
<pre class="example"> <pre class="codepre"><code class="code">(* prints "7.7e+1" *)
let _ = Js.log @@ Js.Int.toExponential 77
</code></pre> </pre>
</div>
</div>
<pre><span id="VALtoExponentialWithPrecision"><span class="keyword">val</span> toExponentialWithPrecision</span> : <code class="type">int -> digits:int -> string</code></pre><div class="info ">
<div class="not-examples">
Formats an <code class="code">int</code> using exponential (scientific) notation
<p>
<b>digits</b> specifies how many digits should appear after the decimal point. The
value must be in the range [0, 20] (inclusive).
<p>
<b>Returns</b> a <code class="code">string</code> representing the given value in exponential notation
<p>
The output will be rounded or padded with zeroes if necessary.<br>
<div class="tag"> <b>Raises</b> <code>RangeError</code> if digits is not in the range [0, 20] (inclusive)<br>
</div><div class="tag"> <b>See also</b> <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/toExponential">MDN</a><br>
</div>
</div>
<div class="examples">
<pre class="example"> <pre class="codepre"><code class="code">(* prints "7.70e+1" *)
let _ = Js.log @@ Js.Int.toExponentialWithPrecision 77 ~digits:2
(* prints "5.68e+3" *)
let _ = Js.log @@ Js.Int.toExponentialWithPrecision 5678 ~digits:2
</code></pre> </pre>
</div>
</div>
<pre><span id="VALtoPrecision"><span class="keyword">val</span> toPrecision</span> : <code class="type">int -> string</code></pre><div class="info ">
<div class="not-examples">
Formats a <code class="code">int</code> using some fairly arbitrary rules
<p>
<b>Returns</b> a <code class="code">string</code> representing the given value in fixed-point (usually)
<p>
<code class="code">toPrecision</code> differs from <code class="code">toFixed</code> in that the former will format the number
with full precision, while the latter will not output any digits after the
decimal point.<br>
<div class="tag"> <b>Raises</b> <code>RangeError</code> if digits is not in the range accepted by this function (what do you mean "vague"?)<br>
</div><div class="tag"> <b>See also</b> <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/toPrecision">MDN</a><br>
</div>
</div>
<div class="examples">
<pre class="example"> <pre class="codepre"><code class="code">(* prints "123456789" *)
let _ = Js.log @@ Js.Int.toPrecision 123456789
</code></pre> </pre>
</div>
</div>
<pre><span id="VALtoPrecisionWithPrecision"><span class="keyword">val</span> toPrecisionWithPrecision</span> : <code class="type">int -> digits:int -> string</code></pre><div class="info ">
<div class="not-examples">
Formats an <code class="code">int</code> using some fairly arbitrary rules
<p>
<b>digits</b> specifies how many digits should appear in total. The
value must between 0 and some arbitrary number that's hopefully at least larger
than 20 (for Node it's 21. Why? Who knows).
<p>
<b>Returns</b> a <code class="code">string</code> representing the given value in fixed-point or scientific notation
<p>
The output will be rounded or padded with zeroes if necessary.
<p>
<code class="code">toPrecisionWithPrecision</code> differs from <code class="code">toFixedWithPrecision</code> in that the former
will count all digits against the precision, while the latter will count only
the digits after the decimal point. <code class="code">toPrecisionWithPrecision</code> will also use
scientific notation if the specified precision is less than the number for digits
before the decimal point.<br>
<div class="tag"> <b>Raises</b> <code>RangeError</code> if digits is not in the range accepted by this function (what do you mean "vague"?)<br>
</div><div class="tag"> <b>See also</b> <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/toPrecision">MDN</a><br>
</div>
</div>
<div class="examples">
<pre class="example"> <pre class="codepre"><code class="code">(* prints "1.2e+8" *)
let _ = Js.log @@ Js.Int.toPrecisionWithPrecision 123456789 ~digits:2
(* prints "0.0" *)
let _ = Js.log @@ Js.Int.toPrecisionWithPrecision 0 ~digits:2
</code></pre> </pre>
</div>
</div>
<pre><span id="VALtoString"><span class="keyword">val</span> toString</span> : <code class="type">int -> string</code></pre><div class="info ">
<div class="not-examples">
Formats a <code class="code">int</code> as a string
<p>
<b>Returns</b> a <code class="code">string</code> representing the given value in fixed-point (usually)<br>
<div class="tag"> <b>See also</b> <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/toString">MDN</a><br>
</div>
</div>
<div class="examples">
<pre class="example"> <pre class="codepre"><code class="code">(* prints "123456789" *)
let _ = Js.log @@ Js.Int.toString 123456789
</code></pre> </pre>
</div>
</div>
<pre><span id="VALtoStringWithRadix"><span class="keyword">val</span> toStringWithRadix</span> : <code class="type">int -> radix:int -> string</code></pre><div class="info ">
<div class="not-examples">
Formats an <code class="code">int</code> as a string
<p>
<b>radix</b> specifies the radix base to use for the formatted number. The
value must be in the range [2, 36] (inclusive).
<p>
<b>Returns</b> a <code class="code">string</code> representing the given value in fixed-point (usually)<br>
<div class="tag"> <b>Raises</b> <code>RangeError</code> if radix is not in the range [2, 36] (inclusive)<br>
</div><div class="tag"> <b>See also</b> <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/toString">MDN</a><br>
</div>
</div>
<div class="examples">
<pre class="example"> <pre class="codepre"><code class="code">(* prints "110" *)
let _ = Js.log @@ Js.Int.toStringWithRadix 6 ~radix:2
(* prints "deadbeef" *)
let _ = Js.log @@ Js.Int.toStringWithRadix 3735928559 ~radix:16
(* prints "2n9c" *)
let _ = Js.log @@ Js.Int.toStringWithRadix 123456 ~radix:36
</code></pre> </pre>
</div>
</div>
<pre><span id="VALequal"><span class="keyword">val</span> equal</span> : <code class="type">int -> int -> bool</code></pre>
<pre><span id="VALmax"><span class="keyword">val</span> max</span> : <code class="type">int</code></pre>
<pre><span id="VALmin"><span class="keyword">val</span> min</span> : <code class="type">int</code></pre></body></html>