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| author | Joshua Yun <joshua@joshuayun.com> | 2025-03-13 23:16:14 -0500 |
|---|---|---|
| committer | Joshua Yun <joshua@joshuayun.com> | 2025-03-13 23:16:14 -0500 |
| commit | 2b4e742f021a37fffcc5e557c4456c0a4ea77483 (patch) | |
| tree | 2db677efc1bbe14149d4248dca61969cffa9e1c1 /Software/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/ControllerFunctions/sin_cos.c | |
| parent | 3ecbe307fbdbede75d8b66d50244c0f4260a8774 (diff) | |
| download | sdr-master.tar.gz | |
Diffstat (limited to 'Software/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/ControllerFunctions/sin_cos.c')
| -rw-r--r-- | Software/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/ControllerFunctions/sin_cos.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/Software/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/ControllerFunctions/sin_cos.c b/Software/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/ControllerFunctions/sin_cos.c new file mode 100644 index 0000000..22c91a0 --- /dev/null +++ b/Software/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/ControllerFunctions/sin_cos.c @@ -0,0 +1,21 @@ +#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);
+}
|