gba-trycatch
view src/fixed.h @ 4:78d1664c2443
- fixed sin_x16/cos_x16
- added fixed point header
| author | John Tsiombikas <nuclear@member.fsf.org> |
|---|---|
| date | Sat, 14 Jun 2014 03:04:56 +0300 |
| parents | |
| children | 158d23956801 |
line source
1 #ifndef FIXED_H_
2 #define FIXED_H_
4 #include <stdint.h>
6 #define x16mul(a, b) (int32_t)(((int32_t)(a) >> 8) * ((int32_t)(b) >> 8))
7 /*int32_t x16div(register int32_t num, register int32_t denom);*/
9 #define x16div(a, b) (int32_t)(((int64_t)(a) << 16) / (b))
11 #endif /* FIXED_H_ */