CFNumber Reference

Detailed Description

Typedefs
typedef const struct __CFNumber *	CFNumberRef

Enumerations
enum	CFNumberType {   kCFNumberSInt8Type = 1 , kCFNumberSInt16Type = 2 , kCFNumberSInt32Type = 3 , kCFNumberSInt64Type = 4 ,   kCFNumberFloat32Type = 5 , kCFNumberFloat64Type = 6 , kCFNumberCharType = 7 , kCFNumberShortType = 8 ,   kCFNumberIntType = 9 , kCFNumberLongType = 10 , kCFNumberLongLongType = 11 , kCFNumberFloatType = 12 ,   kCFNumberDoubleType = 13 , kCFNumberCFIndexType = 14 , kCFNumberNSIntegerType = 15 , kCFNumberCGFloatType = 16 ,   kCFNumberMaxType = 16 }

Variables
const CFNumberRef	kCFNumberNaN
const CFNumberRef	kCFNumberNegativeInfinity
const CFNumberRef	kCFNumberPositiveInfinity

Creating a Number
CFNumberRef	CFNumberCreate (CFAllocatorRef allocator, CFNumberType theType, const void *valuePtr)

Getting Information About Numbers
CFIndex	CFNumberGetByteSize (CFNumberRef number)
CFNumberType	CFNumberGetType (CFNumberRef number)
Boolean	CFNumberGetValue (CFNumberRef number, CFNumberType theType, void *valuePtr)
Boolean	CFNumberIsFloatType (CFNumberRef number)

Comparing Numbers
CFComparisonResult	CFNumberCompare (CFNumberRef number, CFNumberRef otherNumber, void *context)

Getting the CFNumber Type ID
CFTypeID	CFNumberGetTypeID (void)