summaryrefslogtreecommitdiff
path: root/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/FastMathFunctions/sqrt.c
diff options
context:
space:
mode:
Diffstat (limited to 'Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/FastMathFunctions/sqrt.c')
-rw-r--r--Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/FastMathFunctions/sqrt.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/FastMathFunctions/sqrt.c b/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/FastMathFunctions/sqrt.c
new file mode 100644
index 0000000..9dc34af
--- /dev/null
+++ b/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;
+}