| #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); |
| } |
