exslt-math:constant
Delivers the value of one of the named constants PI
, E
,
SQRRT2
, LN2
, LN10
, LOG2E
,
SQRT1_2
.
constant($name as xs:string, $precision as xs:integer) ➔ xs:double
Arguments | |||
| $name | xs:string | The constant required |
| $precision | xs:integer | The required precision |
Result | xs:double |
Namespace
http://exslt.org/math
Links to specifications
Notes on the Saxon implementation
The implementation starts with a decimal string representation of the constant, truncates this to the required precision, then parses the result as a double.