common.h

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#ifndef INFUSE_SDK_INCLUDE_INFUSE_MATH_COMMON_H_
#define INFUSE_SDK_INCLUDE_INFUSE_MATH_COMMON_H_
 
#include <stdint.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
#define math_abs(x) ((x) < 0 ? -(x) : (x))
 
uint8_t math_sqrt16(uint16_t x);
 
uint16_t math_sqrt32(uint32_t x);
 
uint32_t math_sqrt64(uint64_t x);
 
float math_inverse_sqrt32(float x);
 
uint32_t math_vector_xy_sq_magnitude(int16_t x, int16_t y);
 
uint16_t math_vector_xy_magnitude(int16_t x, int16_t y);
 
uint32_t math_vector_xyz_sq_magnitude(int16_t x, int16_t y, int16_t z);
 
uint16_t math_vector_xyz_magnitude(int16_t x, int16_t y, int16_t z);
 
int64_t math_vector_xyz_dot_product(int16_t ax, int16_t ay, int16_t az, int16_t bx, int16_t by,
                                    int16_t bz);
 
int32_t math_vector_xyz_dot_product_fast(int16_t ax, int16_t ay, int16_t az, int16_t bx, int16_t by,
                                         int16_t bz);
 
uint32_t math_bitmask_get_next_bits(uint32_t bitmask, uint8_t start_idx, uint8_t *next_idx,
                                    uint8_t num_bits);
 
#ifdef __cplusplus
}
#endif
 
#endif /* INFUSE_SDK_INCLUDE_INFUSE_MATH_COMMON_H_ */