xquery/XQuery__DoubleToDecimalCast.st
author Jan Vrany <jan.vrany@fit.cvut.cz>
Mon, 02 Jul 2018 08:46:01 +0200
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Tagged Smalltalk/X 8.0.0
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"{ Package: 'stx:goodies/xmlsuite/xquery' }"
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"{ NameSpace: XQuery }"
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AnyAtomicTypeToAnyAtomicTypeCast subclass:#DoubleToDecimalCast
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	instanceVariableNames:''
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	classVariableNames:''
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	poolDictionaries:''
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	category:'XQuery-TypeCasting'
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!
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!DoubleToDecimalCast methodsFor:'casting'!
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cast
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    "If SV is one of the special xs:float or xs:double values NaN, INF, or -INF, an error is raised [err:FOCA0002]"
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    | sv |
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    sv := atomicValue value.
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    ((sv isNaN) or: [sv isInfinite]) ifTrue:
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    [
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        self raiseError: '[err:FOCA0001]' withMessage: 'NaN, INF, or -INF cannot be casted'.
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    ].
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    ^ (AnyAtomicTypeToDecimalCast new)
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        atomicValue: atomicValue;
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        anotherType: anotherType;
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        checkedCast.
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    "Created: / 17-11-2009 / 16:46:08 / Jan Kurs <kursj1@fel.cvut.cz>"
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    "Modified: / 17-11-2009 / 22:29:08 / Jan Kurs <kursj1@fel.cvut.cz>"
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! !
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!DoubleToDecimalCast class methodsFor:'documentation'!
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version_SVN
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    ^ '$Id$'
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! !