exslt-math:atan
Returns the arc tangent of the argument, the result being in the range -π/2
to +π/2 radians.
atan($arg as xs:double) ➔ xs:double
Arguments | |||
| $arg | xs:double | The supplied angle in radians |
Result | xs:double | ||
Namespace
http://exslt.org/math
Links to specifications
Saxon availability
Requires Saxon-PE or Saxon-EE. Available for Java and C/C++ only (not .NET).
Notes on the Saxon implementation
Saxon also implements the function math:atan() in namespace http://www.w3.org/2005/xpath-functions/math.