fast_math.c File Reference

this file contains the code implementation of sine function value lookup table and fast calculation of sine value. More...

#include "fast_math.h"

Go to the source code of this file.

Functions
float	fast_sin (float theta)
	fast calculation of sine More...

Variables
const float	sin_tab []
	fast sine function lookup table More...

Detailed Description

this file contains the code implementation of sine function value lookup table and fast calculation of sine value.

Author

Lao·Zhu

Version

V1.0.1

Date

10. October 2021

Definition in file fast_math.c.

Function Documentation

fast_sin()

float fast_sin

(

float

theta

)

fast calculation of sine

Parameters

[in]

theta

angle to be calculated

Return values

sine	value of angle theta

Definition at line 72 of file fast_math.c.

References sin_tab.

Referenced by foc_calculate_dutycycle().

Variable Documentation

sin_tab

const float sin_tab[]

fast sine function lookup table

Definition at line 15 of file fast_math.c.

Referenced by fast_sin().