Qt 4.8
qschemanumeric.cpp
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41 
42 #include <math.h>
43 
44 #include "qabstractfloat_p.h"
45 #include "qboolean_p.h"
46 #include "qbuiltintypes_p.h"
47 #include "qcommonvalues_p.h"
48 #include "qdecimal_p.h"
49 #include "qinteger_p.h"
50 
51 #include "qschemanumeric_p.h"
52 
59 
60 using namespace QPatternist;
61 
63 {
64  Q_ASSERT(!number.isEmpty());
65  Q_ASSERT_X(!number.contains(QLatin1Char('e')) &&
66  !number.contains(QLatin1Char('E')),
67  Q_FUNC_INFO, "Should not contain any e/E");
68 
69  if(number.contains(QLatin1Char('.'))) /* an xs:decimal. */
70  return Decimal::fromLexical(number);
71  else /* It's an integer, of some sort. E.g, -3, -2, -1, 0, 1, 2, 3 */
72  return Integer::fromLexical(number);
73 }
74 
76 {
77  if(qIsInf(val) || AbstractFloat<true>::isEqual(val, 0.0))
78  return val;
79  else if(qIsNaN(val))
80  return val;
81  else
82  {
83  if(val >= -0.5 && val < 0)
84  return -0.0;
85  else
86  return ::floor(val + 0.5);
87 
88  }
89 }
90 
QBool contains(QChar c, Qt::CaseSensitivity cs=Qt::CaseSensitive) const
Definition: qstring.h:904
Base template class for Float and Double classes.
#define QT_END_NAMESPACE
This macro expands to.
Definition: qglobal.h:90
static AtomicValue::Ptr fromLexical(const QString &strNumeric)
Definition: qdecimal.cpp:64
The QString class provides a Unicode character string.
Definition: qstring.h:83
#define Q_ASSERT(cond)
Definition: qglobal.h:1823
#define QT_BEGIN_NAMESPACE
This macro expands to.
Definition: qglobal.h:89
bool isEmpty() const
Returns true if the string has no characters; otherwise returns false.
Definition: qstring.h:704
The namespace for the internal API of QtXmlPatterns.
static AtomicValue::Ptr fromLexical(const QString &number)
Q_CORE_EXPORT bool qIsNaN(double d)
Returns true if the double {d} is not a number (NaN).
Definition: qnumeric.cpp:55
#define Q_ASSERT_X(cond, where, what)
Definition: qglobal.h:1837
Contains class Numeric. This file was originally called qnumeric_p.h, but various build systems canno...
static AtomicValue::Ptr fromLexical(const QString &strNumeric)
Definition: qinteger.cpp:57
static xsDouble roundFloat(const xsDouble val)
Implements fn:round() for types implemented with floating point.
The QLatin1Char class provides an 8-bit ASCII/Latin-1 character.
Definition: qchar.h:55
Q_CORE_EXPORT bool qIsInf(double d)
Returns true if the double {d} is equivalent to infinity.
Definition: qnumeric.cpp:50
#define Q_FUNC_INFO
Definition: qglobal.h:1871