(:*******************************************************:)
(: Test: K-SeqExprCast-457                               :)
(: Written by: Frans Englich                             :)
(: Date: 2007-11-22T11:31:21+01:00                       :)
(: Purpose: 'castable as' involving xs:float as source type and xs:dayTimeDuration as target type should always evaluate to false. :)
(:*******************************************************:)
not(xs:float("3.4e5") castable as xs:dayTimeDuration)