view nykyaeka/pwpdemo.h @ 0:acb5694e93d9

Initial import.
author Matti Hamalainen <ccr@tnsp.org>
date Tue, 18 May 2010 04:25:44 +0300
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#include "pwplib.h"
#define USE_SINTAB

#define MAX(a,b) ((a)>(b)?(a):(b))
#define MIN(a,b) ((a)<(b)?(a):(b))

#ifndef USE_SINTAB
#define SIN(a) (sin((a)*3.1415926/128)*32767)
#define COS(a) ((3.1415926/2)+(cos((a)*3.1415926/128))*32767)
#else
#ifndef HAS_SINTAB
extern signed int sintab16[];
#endif
#define SIN(a) sintab16[(a)&255]
#define COS(a) sintab16[((a)+64)&255]
#endif