Log2 (Float function): Difference between revisions

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{{Template:Float:Log2 subtitle}}
{{Template:Float:Log2 subtitle}}


This [[Intrinsic classes|intrinsic]] function returns a number that is the [http://en.wikipedia.org/wiki/Logarithm logarithm] base-2
The $<var>Log2</var> [[Intrinsic classes|intrinsic]] function returns a number that is the [http://en.wikipedia.org/wiki/Logarithm logarithm] base-2 of the method object value.
of the method object value.


Available as of version 7.3 of the <var class=product>Sirius Mods</var>, the <var>Log2</var> function is
an object-oriented version of the $<var>Log2</var> function.
==Syntax==
==Syntax==
{{Template:Float:Log2 syntax}}
{{Template:Float:Log2 syntax}}
===Syntax terms===
===Syntax terms===
<table class="syntaxTable">
<table class="syntaxTable">
<tr><th>%value</th>
<tr><th>%number</th>
<td>A numeric variable to receive the base-2 log of the method object. </td></tr>
<td>A numeric variable to receive the base-2 log of the method object. </td></tr>
<tr><th>number</th>
 
<td>A <var>Float</var> value.</td></tr>
<tr><th>float</th>
<td>The input method object <var>Float</var> value.</td></tr>
</table>
</table>
==Usage notes==
==Usage notes==
*If ''number'' is not greater than zero, the request is cancelled.
<ul>
<li>If <var class="term">float</var> is less than or equal to zero, the request is cancelled.
<li><var>Log2</var> is available as of <var class="product">Sirius Mods</var> Version 7.3.
</ul>
 
==Examples==
==Examples==
The following statement returns "''3.14159:log2 = 1.65149491087943''".
The following statement returns <code>3.14159:log2 = 1.65149491087943</code>:
<p class="code">[[Intrinsic classes#printtext|PrintText]] {~} = {3.14159:log2}
<p class="code">[[PrintText statement|printText]] {~} = {3.14159:log2}
</p>


</p>
==See also==
==See also==
<ul>
<li><var>Log2</var> function is an object-oriented version of the <var>[[$Log2]]</var> function.
</ul>
{{Template:Float:Log2 footer}}
{{Template:Float:Log2 footer}}
[[List of intrinsic Float methods]]
<!--
<section begin=dpl_desc />
Log base 2 of number
<section end=dpl_desc />
-->

Latest revision as of 17:57, 2 November 2012

Log base 2 of a number (Float class)


The $Log2 intrinsic function returns a number that is the logarithm base-2 of the method object value.

Syntax

%number = float:Log2

Syntax terms

%number A numeric variable to receive the base-2 log of the method object.
float The input method object Float value.

Usage notes

  • If float is less than or equal to zero, the request is cancelled.
  • Log2 is available as of Sirius Mods Version 7.3.

Examples

The following statement returns 3.14159:log2 = 1.65149491087943:

printText {~} = {3.14159:log2}

See also

  • Log2 function is an object-oriented version of the $Log2 function.
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