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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>
<script src="../api_static//script.js"></script>
<script>hljs.initHighlightingOnLoad();</script><meta charset="utf-8">
<link rel="previous" href="Js_json.html">
<link rel="next" href="Js_nativeint.html">
<title>Js_math</title>
</head>
<body>
<nav class="module-index"><ul><li><a href="Bs.html">Bs</a></li>
<li><a href="Bs_dyn.html">Bs_dyn</a></li>
<li><a href="Bs_dyn_lib.html">Bs_dyn_lib</a></li>
<li><a href="Dom.html">Dom</a></li>
<li><a href="Js.html">Js</a></li>
<li><a href="Js_array.html">Js_array</a></li>
<li><a href="Js_boolean.html">Js_boolean</a></li>
<li><a href="Js_cast.html">Js_cast</a></li>
<li><a href="Js_date.html">Js_date</a></li>
<li><a href="Js_dict.html">Js_dict</a></li>
<li><a href="Js_exn.html">Js_exn</a></li>
<li><a href="Js_float.html">Js_float</a></li>
<li><a href="Js_global.html">Js_global</a></li>
<li><a href="Js_int.html">Js_int</a></li>
<li><a href="Js_int64.html">Js_int64</a></li>
<li><a href="Js_json.html">Js_json</a></li>
<li><a href="Js_math.html">Js_math</a></li>
<li><a href="Js_nativeint.html">Js_nativeint</a></li>
<li><a href="Js_null.html">Js_null</a></li>
<li><a href="Js_null_undefined.html">Js_null_undefined</a></li>
<li><a href="Js_obj.html">Js_obj</a></li>
<li><a href="Js_primitive.html">Js_primitive</a></li>
<li><a href="Js_promise.html">Js_promise</a></li>
<li><a href="Js_re.html">Js_re</a></li>
<li><a href="Js_string.html">Js_string</a></li>
<li><a href="Js_typed_array.html">Js_typed_array</a></li>
<li><a href="Js_types.html">Js_types</a></li>
<li><a href="Js_undefined.html">Js_undefined</a></li>
<li><a href="Js_unsafe.html">Js_unsafe</a></li>
<li><a href="Node.html">Node</a></li>
<li><a href="Node_buffer.html">Node_buffer</a></li>
<li><a href="Node_child_process.html">Node_child_process</a></li>
<li><a href="Node_fs.html">Node_fs</a></li>
<li><a href="Node_module.html">Node_module</a></li>
<li><a href="Node_path.html">Node_path</a></li>
<li><a href="Node_process.html">Node_process</a></li></ul></nav>
<div class="navbar"><a class="pre" href="Js_json.html" title="Js_json">Previous</a>
<a class="up" href="index.html" title="Index">Up</a>
<a class="post" href="Js_nativeint.html" title="Js_nativeint">Next</a>
</div>
<h1>Module <a href="type_Js_math.html">Js_math</a></h1>
<pre><span class="keyword">module</span> Js_math: <code class="code">sig</code> <a href="Js_math.html">..</a> <code class="code">end</code></pre><div class="info module top">
<div class="not-examples">
JavaScript Math API<br>
</div>
<div class="examples">
</div>
</div>
<hr width="100%">
<pre><span id="VAL_E"><span class="keyword">val</span> _E</span> : <code class="type">float</code></pre><div class="info ">
<div class="not-examples">
Euler's number<br>
</div>
<div class="examples">
</div>
</div>
<pre><span id="VAL_LN2"><span class="keyword">val</span> _LN2</span> : <code class="type">float</code></pre><div class="info ">
<div class="not-examples">
natural logarithm of 2<br>
</div>
<div class="examples">
</div>
</div>
<pre><span id="VAL_LN10"><span class="keyword">val</span> _LN10</span> : <code class="type">float</code></pre><div class="info ">
<div class="not-examples">
natural logarithm of 10<br>
</div>
<div class="examples">
</div>
</div>
<pre><span id="VAL_LOG2E"><span class="keyword">val</span> _LOG2E</span> : <code class="type">float</code></pre><div class="info ">
<div class="not-examples">
base 2 logarithm of E<br>
</div>
<div class="examples">
</div>
</div>
<pre><span id="VAL_LOG10E"><span class="keyword">val</span> _LOG10E</span> : <code class="type">float</code></pre><div class="info ">
<div class="not-examples">
base 10 logarithm of E<br>
</div>
<div class="examples">
</div>
</div>
<pre><span id="VAL_PI"><span class="keyword">val</span> _PI</span> : <code class="type">float</code></pre><div class="info ">
<div class="not-examples">
Pi... (ratio of the circumference and diameter of a circle)<br>
</div>
<div class="examples">
</div>
</div>
<pre><span id="VAL_SQRT1_2"><span class="keyword">val</span> _SQRT1_2</span> : <code class="type">float</code></pre><div class="info ">
<div class="not-examples">
square root of 1/2<br>
</div>
<div class="examples">
</div>
</div>
<pre><span id="VAL_SQRT2"><span class="keyword">val</span> _SQRT2</span> : <code class="type">float</code></pre><div class="info ">
<div class="not-examples">
square root of 2<br>
</div>
<div class="examples">
</div>
</div>
<pre><span id="VALabs_int"><span class="keyword">val</span> abs_int</span> : <code class="type">int -> int</code></pre><div class="info ">
<div class="not-examples">
absolute value<br>
</div>
<div class="examples">
</div>
</div>
<pre><span id="VALabs_float"><span class="keyword">val</span> abs_float</span> : <code class="type">float -> float</code></pre><div class="info ">
<div class="not-examples">
absolute value<br>
</div>
<div class="examples">
</div>
</div>
<pre><span id="VALacos"><span class="keyword">val</span> acos</span> : <code class="type">float -> float</code></pre><div class="info ">
<div class="not-examples">
arccosine in radians, can return NaN<br>
</div>
<div class="examples">
</div>
</div>
<pre><span id="VALacosh"><span class="keyword">val</span> acosh</span> : <code class="type">float -> float</code></pre><div class="info ">
<div class="not-examples">
hyperbolic arccosine in raidans, can return NaN, ES2015<br>
</div>
<div class="examples">
</div>
</div>
<pre><span id="VALasin"><span class="keyword">val</span> asin</span> : <code class="type">float -> float</code></pre><div class="info ">
<div class="not-examples">
arcsine in radians, can return NaN<br>
</div>
<div class="examples">
</div>
</div>
<pre><span id="VALasinh"><span class="keyword">val</span> asinh</span> : <code class="type">float -> float</code></pre><div class="info ">
<div class="not-examples">
hyperbolic arcsine in raidans, ES2015<br>
</div>
<div class="examples">
</div>
</div>
<pre><span id="VALatan"><span class="keyword">val</span> atan</span> : <code class="type">float -> float</code></pre><div class="info ">
<div class="not-examples">
arctangent in radians<br>
</div>
<div class="examples">
</div>
</div>
<pre><span id="VALatanh"><span class="keyword">val</span> atanh</span> : <code class="type">float -> float</code></pre><div class="info ">
<div class="not-examples">
hyperbolic arctangent in radians, can return NaN, ES2015<br>
</div>
<div class="examples">
</div>
</div>
<pre><span id="VALatan2"><span class="keyword">val</span> atan2</span> : <code class="type">y:float -> x:float -> unit -> float</code></pre><div class="info ">
<div class="not-examples">
arctangent of the quotient of x and y, mostly... this one's a bit weird<br>
</div>
<div class="examples">
</div>
</div>
<pre><span id="VALcbrt"><span class="keyword">val</span> cbrt</span> : <code class="type">float -> float</code></pre><div class="info ">
<div class="not-examples">
cube root, can return NaN, ES2015<br>
</div>
<div class="examples">
</div>
</div>
<pre><span id="VALunsafe_ceil_int"><span class="keyword">val</span> unsafe_ceil_int</span> : <code class="type">float -> int</code></pre><div class="info ">
<div class="not-examples">
may return values not representable by <code class="code">int</code><br>
</div>
<div class="examples">
</div>
</div>
<pre><span id="VALunsafe_ceil"><span class="keyword">val</span> unsafe_ceil</span> : <code class="type">float -> int</code></pre>
<pre><span id="VALceil_int"><span class="keyword">val</span> ceil_int</span> : <code class="type">float -> int</code></pre><div class="info ">
<div class="not-examples">
smallest int greater than or equal to the argument<br>
</div>
<div class="examples">
</div>
</div>
<pre><span id="VALceil"><span class="keyword">val</span> ceil</span> : <code class="type">float -> int</code></pre>
<pre><span id="VALceil_float"><span class="keyword">val</span> ceil_float</span> : <code class="type">float -> float</code></pre><div class="info ">
<div class="not-examples">
smallest int greater than or equal to the argument<br>
</div>
<div class="examples">
</div>
</div>
<pre><span id="VALclz32"><span class="keyword">val</span> clz32</span> : <code class="type">int -> int</code></pre><div class="info ">
<div class="not-examples">
number of leading zero bits of the argument's 32 bit int representation, ES2015<br>
</div>
<div class="examples">
</div>
</div>
<pre><span id="VALcos"><span class="keyword">val</span> cos</span> : <code class="type">float -> float</code></pre><div class="info ">
<div class="not-examples">
cosine in radians<br>
</div>
<div class="examples">
</div>
</div>
<pre><span id="VALcosh"><span class="keyword">val</span> cosh</span> : <code class="type">float -> float</code></pre><div class="info ">
<div class="not-examples">
hyperbolic cosine in radians, ES2015<br>
</div>
<div class="examples">
</div>
</div>
<pre><span id="VALexp"><span class="keyword">val</span> exp</span> : <code class="type">float -> float</code></pre><div class="info ">
<div class="not-examples">
natural exponentional<br>
</div>
<div class="examples">
</div>
</div>
<pre><span id="VALexpm1"><span class="keyword">val</span> expm1</span> : <code class="type">float -> float</code></pre><div class="info ">
<div class="not-examples">
natural exponential minus 1, ES2015<br>
</div>
<div class="examples">
</div>
</div>
<pre><span id="VALunsafe_floor_int"><span class="keyword">val</span> unsafe_floor_int</span> : <code class="type">float -> int</code></pre><div class="info ">
<div class="not-examples">
may return values not representable by <code class="code">int</code><br>
</div>
<div class="examples">
</div>
</div>
<pre><span id="VALunsafe_floor"><span class="keyword">val</span> unsafe_floor</span> : <code class="type">float -> int</code></pre>
<pre><span id="VALfloor_int"><span class="keyword">val</span> floor_int</span> : <code class="type">float -> int</code></pre><div class="info ">
<div class="not-examples">
largest int greater than or equal to the arugment<br>
</div>
<div class="examples">
</div>
</div>
<pre><span id="VALfloor"><span class="keyword">val</span> floor</span> : <code class="type">float -> int</code></pre>
<pre><span id="VALfloor_float"><span class="keyword">val</span> floor_float</span> : <code class="type">float -> float</code></pre>
<pre><span id="VALfround"><span class="keyword">val</span> fround</span> : <code class="type">float -> float</code></pre><div class="info ">
<div class="not-examples">
round to nearest single precision float, ES2015<br>
</div>
<div class="examples">
</div>
</div>
<pre><span id="VALhypot"><span class="keyword">val</span> hypot</span> : <code class="type">float -> float -> float</code></pre><div class="info ">
<div class="not-examples">
pythagorean equation, ES2015<br>
</div>
<div class="examples">
</div>
</div>
<pre><span id="VALhypotMany"><span class="keyword">val</span> hypotMany</span> : <code class="type">float array -> float</code></pre><div class="info ">
<div class="not-examples">
generalized pythagorean equation, ES2015<br>
</div>
<div class="examples">
</div>
</div>
<pre><span id="VALimul"><span class="keyword">val</span> imul</span> : <code class="type">int -> int -> int</code></pre><div class="info ">
<div class="not-examples">
32-bit integer multiplication, ES2015<br>
</div>
<div class="examples">
</div>
</div>
<pre><span id="VALlog"><span class="keyword">val</span> log</span> : <code class="type">float -> float</code></pre><div class="info ">
<div class="not-examples">
natural logarithm, can return NaN<br>
</div>
<div class="examples">
</div>
</div>
<pre><span id="VALlog1p"><span class="keyword">val</span> log1p</span> : <code class="type">float -> float</code></pre><div class="info ">
<div class="not-examples">
natural logarithm of 1 + the argument, can return NaN, ES2015<br>
</div>
<div class="examples">
</div>
</div>
<pre><span id="VALlog10"><span class="keyword">val</span> log10</span> : <code class="type">float -> float</code></pre><div class="info ">
<div class="not-examples">
base 10 logarithm, can return NaN, ES2015<br>
</div>
<div class="examples">
</div>
</div>
<pre><span id="VALlog2"><span class="keyword">val</span> log2</span> : <code class="type">float -> float</code></pre><div class="info ">
<div class="not-examples">
base 2 logarithm, can return NaN, ES2015<br>
</div>
<div class="examples">
</div>
</div>
<pre><span id="VALmax_int"><span class="keyword">val</span> max_int</span> : <code class="type">int -> int -> int</code></pre><div class="info ">
<div class="not-examples">
max value<br>
</div>
<div class="examples">
</div>
</div>
<pre><span id="VALmaxMany_int"><span class="keyword">val</span> maxMany_int</span> : <code class="type">int array -> int</code></pre><div class="info ">
<div class="not-examples">
max value<br>
</div>
<div class="examples">
</div>
</div>
<pre><span id="VALmax_float"><span class="keyword">val</span> max_float</span> : <code class="type">float -> float -> float</code></pre><div class="info ">
<div class="not-examples">
max value<br>
</div>
<div class="examples">
</div>
</div>
<pre><span id="VALmaxMany_float"><span class="keyword">val</span> maxMany_float</span> : <code class="type">float array -> float</code></pre><div class="info ">
<div class="not-examples">
max value<br>
</div>
<div class="examples">
</div>
</div>
<pre><span id="VALmin_int"><span class="keyword">val</span> min_int</span> : <code class="type">int -> int -> int</code></pre><div class="info ">
<div class="not-examples">
max value<br>
</div>
<div class="examples">
</div>
</div>
<pre><span id="VALminMany_int"><span class="keyword">val</span> minMany_int</span> : <code class="type">int array -> int</code></pre><div class="info ">
<div class="not-examples">
max value<br>
</div>
<div class="examples">
</div>
</div>
<pre><span id="VALmin_float"><span class="keyword">val</span> min_float</span> : <code class="type">float -> float -> float</code></pre><div class="info ">
<div class="not-examples">
max value<br>
</div>
<div class="examples">
</div>
</div>
<pre><span id="VALminMany_float"><span class="keyword">val</span> minMany_float</span> : <code class="type">float array -> float</code></pre><div class="info ">
<div class="not-examples">
max value<br>
</div>
<div class="examples">
</div>
</div>
<pre><span id="VALpow_int"><span class="keyword">val</span> pow_int</span> : <code class="type">base:int -> exp:int -> int</code></pre><div class="info ">
<div class="not-examples">
base to the power of the exponent<br>
</div>
<div class="examples">
</div>
</div>
<pre><span id="VALpow_float"><span class="keyword">val</span> pow_float</span> : <code class="type">base:float -> exp:float -> float</code></pre><div class="info ">
<div class="not-examples">
base to the power of the exponent<br>
</div>
<div class="examples">
</div>
</div>
<pre><span id="VALrandom"><span class="keyword">val</span> random</span> : <code class="type">unit -> float</code></pre><div class="info ">
<div class="not-examples">
random number in [0,1)<br>
</div>
<div class="examples">
</div>
</div>
<pre><span id="VALrandom_int"><span class="keyword">val</span> random_int</span> : <code class="type">int -> int -> int</code></pre><div class="info ">
<div class="not-examples">
random number in [min,max)<br>
</div>
<div class="examples">
</div>
</div>
<pre><span id="VALunsafe_round"><span class="keyword">val</span> unsafe_round</span> : <code class="type">float -> int</code></pre><div class="info ">
<div class="not-examples">
rounds to nearest integer, returns a value not representable as <code class="code">int</code> if NaN<br>
</div>
<div class="examples">
</div>
</div>
<pre><span id="VALround"><span class="keyword">val</span> round</span> : <code class="type">float -> float</code></pre><div class="info ">
<div class="not-examples">
rounds to nearest integer<br>
</div>
<div class="examples">
</div>
</div>
<pre><span id="VALsign_int"><span class="keyword">val</span> sign_int</span> : <code class="type">int -> int</code></pre><div class="info ">
<div class="not-examples">
the sign of the argument, 1, -1 or 0, ES2015<br>
</div>
<div class="examples">
</div>
</div>
<pre><span id="VALsign_float"><span class="keyword">val</span> sign_float</span> : <code class="type">float -> float</code></pre><div class="info ">
<div class="not-examples">
the sign of the argument, 1, -1, 0, -0 or NaN, ES2015<br>
</div>
<div class="examples">
</div>
</div>
<pre><span id="VALsin"><span class="keyword">val</span> sin</span> : <code class="type">float -> float</code></pre><div class="info ">
<div class="not-examples">
sine in radians<br>
</div>
<div class="examples">
</div>
</div>
<pre><span id="VALsinh"><span class="keyword">val</span> sinh</span> : <code class="type">float -> float</code></pre><div class="info ">
<div class="not-examples">
hyperbolic sine in radians, ES2015<br>
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<pre><span id="VALsqrt"><span class="keyword">val</span> sqrt</span> : <code class="type">float -> float</code></pre><div class="info ">
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square root, can return NaN<br>
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<pre><span id="VALtan"><span class="keyword">val</span> tan</span> : <code class="type">float -> float</code></pre><div class="info ">
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tangent in radians<br>
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<pre><span id="VALtanh"><span class="keyword">val</span> tanh</span> : <code class="type">float -> float</code></pre><div class="info ">
<div class="not-examples">
hyperbolic tangent in radians, ES2015<br>
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<pre><span id="VALunsafe_trunc"><span class="keyword">val</span> unsafe_trunc</span> : <code class="type">float -> int</code></pre><div class="info ">
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truncate, ie. remove fractional digits, returns a value not representable as <code class="code">int</code> if NaN, ES2015<br>
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<pre><span id="VALtrunc"><span class="keyword">val</span> trunc</span> : <code class="type">float -> float</code></pre><div class="info ">
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truncate, ie. remove fractional digits, returns a value not representable as <code class="code">int</code> if NaN, ES2015<br>
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