#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); }