Mercurial > hg > forks > pwpunix
annotate nykyaeka/pwpdemo.h @ 0:acb5694e93d9
Initial import.
| author | Matti Hamalainen <ccr@tnsp.org> |
|---|---|
| date | Tue, 18 May 2010 04:25:44 +0300 |
| parents | |
| children |
| rev | line source |
|---|---|
| 0 | 1 #include "pwplib.h" |
| 2 #define USE_SINTAB | |
| 3 | |
| 4 #define MAX(a,b) ((a)>(b)?(a):(b)) | |
| 5 #define MIN(a,b) ((a)<(b)?(a):(b)) | |
| 6 | |
| 7 #ifndef USE_SINTAB | |
| 8 #define SIN(a) (sin((a)*3.1415926/128)*32767) | |
| 9 #define COS(a) ((3.1415926/2)+(cos((a)*3.1415926/128))*32767) | |
| 10 #else | |
| 11 #ifndef HAS_SINTAB | |
| 12 extern signed int sintab16[]; | |
| 13 #endif | |
| 14 #define SIN(a) sintab16[(a)&255] | |
| 15 #define COS(a) sintab16[((a)+64)&255] | |
| 16 #endif | |
| 17 |