EXSLT - math:atan2

Version: 1
Status: implemented
User Page: index.html
XML Definition: math.atan2.xml
Function Package: math.atan2.zip

number math:atan2(number, number)

The math:atan2 function returns the angle ( in radians ) from the X axis to a point (y,x).

Value1 is a number argument cooresponding to y of point (y,x).

Value2 is a number argument cooresponding to x of point (y,x).

An implementation of this extension function in the EXSLT math namespace must conform to the behaviour described in this document.

Implementations

Built-in support for math:atan2 is available in the following XSLT processors:

Processor	Processor Version	Implemented Version
4XSLT, from 4Suite.	0.12.0a3	1
libxslt from Daniel Veillard et al.	1.0.19	1

The following implementations of math:atan2 are available:

Language	Implemented Version	Creator	Date	Download
Msxsl	1	James Fuller	2001-06-16	math.atan2.msxsl.xsl
Javascript	1	James Fuller	2001-06-16	math.atan2.js

Submitted: 2001-06-16
Creator: James Fuller(http://www.ruminate.co.uk)

Returns the atan2 value of the passed arguments in radians.

Version	Modified	By	Details
1.1	2002-08-21	Craig Stewart	Added 4XSLT and libxslt implementation to the list.
1.2	2002-11-12	Craig Stewart	Updated 4XSLT version to 0.12.0a3.