gba-trycatch

annotate 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
rev   line source
nuclear@4 1 #ifndef FIXED_H_
nuclear@4 2 #define FIXED_H_
nuclear@4 3
nuclear@4 4 #include <stdint.h>
nuclear@4 5
nuclear@4 6 #define x16mul(a, b) (int32_t)(((int32_t)(a) >> 8) * ((int32_t)(b) >> 8))
nuclear@4 7 /*int32_t x16div(register int32_t num, register int32_t denom);*/
nuclear@4 8
nuclear@4 9 #define x16div(a, b) (int32_t)(((int64_t)(a) << 16) / (b))
nuclear@4 10
nuclear@4 11 #endif /* FIXED_H_ */