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46 // This file is not part of the Qt API. It exists purely as an
47 // implementation detail. This header file may change from version to
48 // version without notice, or even be removed.
52 #ifndef Patternist_NumericFNs_H
53 #define Patternist_NumericFNs_H
55 #include <private/qaggregator_p.h>
59 * @short Contains classes implementing the functions found in
60 * <a href="http://www.w3.org/TR/xpath-functions/#numeric-value-functions">XQuery 1.0 and
61 * XPath 2.0 Functions and Operators, 6.4 Functions on Numeric Values</a>.
63 * @ingroup Patternist_functions
74 * @short Implements the function <tt>fn:floor()</tt>.
76 * @ingroup Patternist_functions
77 * @author Frans Englich <frans.englich@nokia.com>
79 class FloorFN : public Aggregator
82 virtual Item evaluateSingleton(const DynamicContext::Ptr &context) const;
86 * @short Implements the function <tt>fn:abs()</tt>.
88 * @ingroup Patternist_functions
89 * @author Frans Englich <frans.englich@nokia.com>
91 class AbsFN : public Aggregator
94 virtual Item evaluateSingleton(const DynamicContext::Ptr &context) const;
98 * @short Implements the function <tt>fn:round()</tt>.
100 * @ingroup Patternist_functions
101 * @author Frans Englich <frans.englich@nokia.com>
103 class RoundFN : public Aggregator
106 virtual Item evaluateSingleton(const DynamicContext::Ptr &context) const;
110 * @short Implements the function <tt>fn:ceiling()</tt>.
112 * @ingroup Patternist_functions
113 * @author Frans Englich <frans.englich@nokia.com>
115 class CeilingFN : public Aggregator
118 virtual Item evaluateSingleton(const DynamicContext::Ptr &context) const;
122 * @short Implements the function <tt>fn:round-half-to-even()</tt>.
124 * @see <a href="http://www.w3.org/TR/xpath-functions/#func-round-half-to-even">XQuery 1.0
125 * and XPath 2.0 Functions and Operators, 6.4.5 fn:round-half-to-even</a>
126 * @ingroup Patternist_functions
127 * @author Frans Englich <frans.englich@nokia.com>
129 class RoundHalfToEvenFN : public Aggregator
132 virtual Item evaluateSingleton(const DynamicContext::Ptr &context) const;