ftp.nice.ch/pub/next/unix/audio/resample.1.2.s.tar.gz#/resample-1.2/stdefs.h

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/* stdefs.h */

//#ifndef TRUE
//#define TRUE  1
//#endif

//#ifndef FALSE
//#define FALSE 0
//#endif

#ifndef PI
#define PI (3.14159265358979232846)
#endif

#ifndef PI2
#define PI2 (6.28318530717958465692)
#endif

#define D2R (0.01745329348)          /* (2*pi)/360 */
#define R2D (57.29577951)            /* 360/(2*pi) */

#ifndef MAX
#define MAX(x,y) ((x)>(y) ?(x):(y))
#endif
#ifndef MIN
#define MIN(x,y) ((x)<(y) ?(x):(y))
#endif

#ifndef ABS
#define ABS(x)   ((x)<0   ?(-(x)):(x))
#endif

#ifndef SGN
#define SGN(x)   ((x)<0   ?(-1):((x)==0?(0):(1)))
#endif

typedef char           BOOL;
typedef short          HWORD;
typedef unsigned short UHWORD;
typedef int            WORD;
typedef unsigned int   UWORD;

#define MAX_HWORD (32767)
#define MIN_HWORD (-32768)

#ifdef DEBUG
#define INLINE
#else DEBUG
#define INLINE inline
#endif DEBUG

These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.