nuclear@4: #ifndef FIXED_H_
nuclear@4: #define FIXED_H_
nuclear@4: 
nuclear@4: #include <stdint.h>
nuclear@4: 
nuclear@7: #define ftox16(x)		(int32_t)((x) * 65536.0f)
nuclear@7: #define itox16(x)		(int32_t)((x) << 16)
nuclear@7: 
nuclear@7: #define x16tof(x)		(float)((x) / 65536.0f)
nuclear@7: #define x16toi(x)		((x) >> 16)
nuclear@7: 
nuclear@4: #define x16mul(a, b)	(int32_t)(((int32_t)(a) >> 8) * ((int32_t)(b) >> 8))
nuclear@4: /*int32_t x16div(register int32_t num, register int32_t denom);*/
nuclear@4: #define x16div(a, b)	(int32_t)(((int64_t)(a) << 16) / (b))
nuclear@4: 
nuclear@8: #define x16sq(x)		x16mul(x, x)
nuclear@8: 
nuclear@4: #endif	/* FIXED_H_ */