1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
| #include "ref.h"
|
| void ref_sin_cos_f32(
| float32_t theta,
| float32_t * pSinVal,
| float32_t * pCosVal)
| {
| //theta is given in degrees
| *pSinVal = sinf(theta * 6.28318530717959f / 360.0f);
| *pCosVal = cosf(theta * 6.28318530717959f / 360.0f);
| }
|
| void ref_sin_cos_q31(
| q31_t theta,
| q31_t * pSinVal,
| q31_t * pCosVal)
| {
| //theta is given in the range [-1,1) to represent [-pi,pi)
| *pSinVal = (q31_t)(sinf((float32_t)theta * 3.14159265358979f / 2147483648.0f) * 2147483648.0f);
| *pCosVal = (q31_t)(cosf((float32_t)theta * 3.14159265358979f / 2147483648.0f) * 2147483648.0f);
| }
|
|
