Qt 4.8
qnumeric.cpp
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41 
42 #include "qnumeric.h"
43 #include "qnumeric_p.h"
44 
46 
50 Q_CORE_EXPORT bool qIsInf(double d) { return qt_is_inf(d); }
51 
55 Q_CORE_EXPORT bool qIsNaN(double d) { return qt_is_nan(d); }
56 
60 Q_CORE_EXPORT bool qIsFinite(double d) { return qt_is_finite(d); }
61 
65 Q_CORE_EXPORT bool qIsInf(float f) { return qt_is_inf(f); }
66 
70 Q_CORE_EXPORT bool qIsNaN(float f) { return qt_is_nan(f); }
71 
75 Q_CORE_EXPORT bool qIsFinite(float f) { return qt_is_finite(f); }
76 
80 Q_CORE_EXPORT double qSNaN() { return qt_snan(); }
81 
85 Q_CORE_EXPORT double qQNaN() { return qt_qnan(); }
86 
90 Q_CORE_EXPORT double qInf() { return qt_inf(); }
91 
92 
double d
Definition: qnumeric_p.h:62
#define QT_END_NAMESPACE
This macro expands to.
Definition: qglobal.h:90
static bool qt_is_nan(double d)
Definition: qnumeric_p.h:183
static double qt_qnan()
Definition: qnumeric_p.h:95
#define QT_BEGIN_NAMESPACE
This macro expands to.
Definition: qglobal.h:89
Q_CORE_EXPORT bool qIsNaN(double d)
Returns true if the double {d} is not a number (NaN).
Definition: qnumeric.cpp:55
Q_CORE_EXPORT double qSNaN()
Returns the bit pattern of a signalling NaN as a double.
Definition: qnumeric.cpp:80
#define Q_CORE_EXPORT
Definition: qglobal.h:1449
Q_CORE_EXPORT double qInf()
Returns the bit pattern for an infinite number as a double.
Definition: qnumeric.cpp:90
Q_CORE_EXPORT double qQNaN()
Returns the bit pattern of a quiet NaN as a double.
Definition: qnumeric.cpp:85
static double qt_snan()
Definition: qnumeric_p.h:80
static double qt_inf()
Definition: qnumeric_p.h:65
static bool qt_is_inf(double d)
Definition: qnumeric_p.h:169
Q_CORE_EXPORT bool qIsFinite(double d)
Returns true if the double {d} is a finite number.
Definition: qnumeric.cpp:60
static bool qt_is_finite(double d)
Definition: qnumeric_p.h:197
Q_CORE_EXPORT bool qIsInf(double d)
Returns true if the double {d} is equivalent to infinity.
Definition: qnumeric.cpp:50