44 lines
1.2 KiB
Factor
44 lines
1.2 KiB
Factor
! Copyright (C) 2009 Slava Pestov.
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! See http://factorcode.org/license.txt for BSD license.
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USING: alien.c-types alien.syntax kernel math core-foundation ;
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FROM: math => float ;
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IN: core-foundation.numbers
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TYPEDEF: void* CFNumberRef
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TYPEDEF: int CFNumberType
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CONSTANT: kCFNumberSInt8Type 1
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CONSTANT: kCFNumberSInt16Type 2
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CONSTANT: kCFNumberSInt32Type 3
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CONSTANT: kCFNumberSInt64Type 4
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CONSTANT: kCFNumberFloat32Type 5
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CONSTANT: kCFNumberFloat64Type 6
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CONSTANT: kCFNumberCharType 7
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CONSTANT: kCFNumberShortType 8
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CONSTANT: kCFNumberIntType 9
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CONSTANT: kCFNumberLongType 10
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CONSTANT: kCFNumberLongLongType 11
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CONSTANT: kCFNumberFloatType 12
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CONSTANT: kCFNumberDoubleType 13
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CONSTANT: kCFNumberCFIndexType 14
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CONSTANT: kCFNumberNSIntegerType 15
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CONSTANT: kCFNumberCGFloatType 16
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CONSTANT: kCFNumberMaxType 16
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FUNCTION: CFNumberRef CFNumberCreate ( CFAllocatorRef allocator, CFNumberType theType, void* valuePtr ) ;
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GENERIC: <CFNumber> ( number -- alien )
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M: integer <CFNumber>
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[ f kCFNumberLongLongType ] dip <longlong> CFNumberCreate ;
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M: float <CFNumber>
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[ f kCFNumberDoubleType ] dip <double> CFNumberCreate ;
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M: t <CFNumber>
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drop f kCFNumberIntType 1 <int> CFNumberCreate ;
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M: f <CFNumber>
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drop f kCFNumberIntType 0 <int> CFNumberCreate ;
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