common.h File Reference

Common math functionality. More...

#include <stdint.h>

Go to the source code of this file.

Macros
#define	math_abs(x)
	Absolute value.

Functions
uint8_t	math_sqrt16 (uint16_t x)
	Compute square root of unsigned 16 bit number.
uint16_t	math_sqrt32 (uint32_t x)
	Compute square root of unsigned 32 bit number.
uint32_t	math_sqrt64 (uint64_t x)
	Compute square root of unsigned 64 bit number.
float	math_inverse_sqrt32 (float x)
	Fast inverse square root.
uint32_t	math_vector_xy_sq_magnitude (int16_t x, int16_t y)
	Compute the squared magnitude of an XY vector.
uint16_t	math_vector_xy_magnitude (int16_t x, int16_t y)
	Compute the magnitude of an XY vector.
uint32_t	math_vector_xyz_sq_magnitude (int16_t x, int16_t y, int16_t z)
	Compute the squared magnitude of an XYZ vector.
uint16_t	math_vector_xyz_magnitude (int16_t x, int16_t y, int16_t z)
	Compute the magnitude of an XYZ vector.
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)
	Compute the dot product of two XYZ vectors.
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)
	Compute the dot product of two XYZ vectors.
uint32_t	math_bitmask_get_next_bits (uint32_t bitmask, uint8_t start_idx, uint8_t *next_idx, uint8_t num_bits)
	Get the next N bits of a bitmask, with rollover.

Detailed Description

Common math functionality.

Copyright

2024 Embeint Holdings Pty Ltd

Author

Jordan Yates jorda.nosp@m.n@em.nosp@m.beint.nosp@m..com

SPDX-License-Identifier: FSL-1.1-ALv2