trig8.h File Reference

Detailed Description

Fast, efficient 8-bit trigonometry functions specifically designed for high-performance LED programming.

Definition in file trig8.h.

Go to the source code of this file.

#define	sin16   sin16_C
	Platform-independent alias of the fast sin implementation.
#define	sin8   sin8_C
	Platform-independent alias of the fast sin implementation.
const uint8_t	b_m16_interleave [] = {0, 49, 49, 41, 90, 27, 117, 10}
	Pre-calculated lookup table used in sin8() and cos8() functions.
LIB8STATIC int16_t	sin16_C (uint16_t theta)
	Fast 16-bit approximation of sin(x).
LIB8STATIC int16_t	cos16 (uint16_t theta)
	Fast 16-bit approximation of cos(x).
LIB8STATIC uint8_t	sin8_C (uint8_t theta)
	Fast 8-bit approximation of sin(x).
LIB8STATIC uint8_t	cos8 (uint8_t theta)
	Fast 8-bit approximation of cos(x).