PublicUtility/CAByteOrder.h
/* |
File: CAByteOrder.h |
Abstract: Part of CoreAudio Utility Classes |
Version: 1.01 |
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*/ |
#if !defined(__CAByteOrder_h__) |
#define __CAByteOrder_h__ |
//============================================================================= |
// Includes |
//============================================================================= |
// System Includes |
#if !defined(__COREAUDIO_USE_FLAT_INCLUDES__) |
#include <CoreFoundation/CoreFoundation.h> |
#else |
#include "CoreFoundation.h" |
#endif |
#if defined(__cplusplus) |
extern "C" { |
#endif |
CF_INLINE Float32 CASwapFloat32 (Float32 arg) { |
union { |
Float32 f; |
UInt32 i; |
} flip; |
flip.f = arg; |
flip.i = CFSwapInt32 (flip.i); |
return flip.f; |
} |
CF_INLINE Float64 CASwapFloat64 (Float64 arg) { |
union { |
Float64 f; |
UInt64 i; |
} flip; |
flip.f = arg; |
flip.i = CFSwapInt64 (flip.i); |
return flip.f; |
} |
#pragma mark -Flippers |
CF_INLINE Float32 CASwapFloat32BigToHost(Float32 arg) { |
#if defined(__BIG_ENDIAN__) |
return arg; |
#else |
return CASwapFloat32(arg); |
#endif |
} |
CF_INLINE Float64 CASwapFloat64BigToHost(Float64 arg) { |
#if defined(__BIG_ENDIAN__) |
return arg; |
#else |
return CASwapFloat64(arg); |
#endif |
} |
CF_INLINE Float32 CASwapFloat32HostToBig(Float32 arg) { |
#if defined(__BIG_ENDIAN__) |
return arg; |
#else |
return CASwapFloat32(arg); |
#endif |
} |
CF_INLINE Float64 CASwapFloat64HostToBig(Float64 arg) { |
#if defined(__BIG_ENDIAN__) |
return arg; |
#else |
return CASwapFloat64(arg); |
#endif |
} |
CF_INLINE Float32 CASwapFloat32LittleToHost(Float32 arg) { |
#if defined(__LITTLE_ENDIAN__) |
return arg; |
#else |
return CASwapFloat32(arg); |
#endif |
} |
CF_INLINE Float64 CASwapFloat64LittleToHost(Float64 arg) { |
#if defined(__LITTLE_ENDIAN__) |
return arg; |
#else |
return CASwapFloat64(arg); |
#endif |
} |
CF_INLINE Float32 CASwapFloat32HostToLittle(Float32 arg) { |
#if defined(__LITTLE_ENDIAN__) |
return arg; |
#else |
return CASwapFloat32(arg); |
#endif |
} |
CF_INLINE Float64 CASwapFloat64HostToLittle(Float64 arg) { |
#if defined(__LITTLE_ENDIAN__) |
return arg; |
#else |
return CASwapFloat64(arg); |
#endif |
} |
#if defined(__cplusplus) |
} |
#endif |
#endif |
Copyright © 2012 Apple Inc. All Rights Reserved. Terms of Use | Privacy Policy | Updated: 2012-07-17