EXSLT - math:constant

Implementer Page: math.constant.html
Function Package: math.constant.zip

Function Syntax

number math:constant(string, number)

Template Syntax

<xsl:call-template name="math:constant">
   <xsl:with-param name="name" select="string" />
   <xsl:with-param name="precision" select="number" />
</xsl:call-template>

The math:constant function returns the specified constant to a set precision. The possible constants are:

PI
E
SQRRT2
LN2
LN10
LOG2E
SQRT1_2

Implementations

The following XSLT processors support math:constant:

4XSLT, from 4Suite. (version 0.12.0a3)
libxslt from Daniel Veillard et al. (version 1.0.19)

Implementations of math:constant are available in the following languages:

XSLT Template (by James Fuller)
Javascript (by James Fuller)
EXSLT Function (by James Fuller)