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