diff options
Diffstat (limited to 'fw/hid-dials/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/FastMathFunctions/sqrt.c')
| -rw-r--r-- | fw/hid-dials/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/FastMathFunctions/sqrt.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/fw/hid-dials/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/FastMathFunctions/sqrt.c b/fw/hid-dials/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/FastMathFunctions/sqrt.c new file mode 100644 index 0000000..9dc34af --- /dev/null +++ b/fw/hid-dials/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/FastMathFunctions/sqrt.c @@ -0,0 +1,15 @@ +#include "ref.h"
+
+arm_status ref_sqrt_q31(q31_t in, q31_t * pOut)
+{
+ *pOut = (q31_t)(sqrtf((float32_t)in / 2147483648.0f) * 2147483648.0f);
+
+ return ARM_MATH_SUCCESS;
+}
+
+arm_status ref_sqrt_q15(q15_t in, q15_t * pOut)
+{
+ *pOut = (q15_t)(sqrtf((float32_t)in / 32768.0f) * 32768.0f);
+
+ return ARM_MATH_SUCCESS;
+}
|