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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/FastMathFunctions/cos.c | |
| parent | 3ecbe307fbdbede75d8b66d50244c0f4260a8774 (diff) | |
| download | sdr-master.tar.gz | |
Diffstat (limited to 'Software/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/FastMathFunctions/cos.c')
| -rw-r--r-- | Software/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/FastMathFunctions/cos.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/Software/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/FastMathFunctions/cos.c b/Software/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/FastMathFunctions/cos.c new file mode 100644 index 0000000..ab6c98e --- /dev/null +++ b/Software/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/FastMathFunctions/cos.c @@ -0,0 +1,11 @@ +#include "ref.h"
+
+q31_t ref_cos_q31(q31_t x)
+{
+ return (q31_t)(cosf((float32_t)x * 6.28318530717959f / 2147483648.0f) * 2147483648.0f);
+}
+
+q15_t ref_cos_q15(q15_t x)
+{
+ return (q15_t)(cosf((float32_t)x * 6.28318530717959f / 32768.0f) * 32768.0f);
+}
|