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