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#ifndef GUARD_MATH_UTIL_H
#define GUARD_MATH_UTIL_H
// Fixed-point arithmetic library.
// x * y
s16 Q_8_8_mul(s16 x, s16 y);
s16 Q_N_S_mul(u8 s, s16 x, s16 y);
s32 Q_24_8_mul(s32 x, s32 y);
// x / y
s16 Q_8_8_div(s16 x, s16 y);
s16 Q_N_S_div(u8 s, s16 x, s16 y);
s32 Q_24_8_div(s32 x, s32 y);
// 1.0 / y
s16 Q_8_8_inv(s16 y);
s16 Q_N_S_inv(u8 s, s16 y);
s32 Q_24_8_inv(s32 y);
#endif //GUARD_MATH_UTIL_H
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