diff options
Diffstat (limited to 'Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/FastMathFunctions/cos.c')
| -rw-r--r-- | Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/FastMathFunctions/cos.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/FastMathFunctions/cos.c b/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/FastMathFunctions/cos.c new file mode 100644 index 0000000..ab6c98e --- /dev/null +++ b/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);
+}
|