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authorjaseg <git@jaseg.net>2020-10-14 12:47:28 +0200
committerjaseg <git@jaseg.net>2020-10-14 12:47:28 +0200
commit6ab94e0b318884bbcb95e2ea3835f951502e1d99 (patch)
tree4cc5794b89f89c55ff8370ae252518ab96b5fed3 /fw/midi-dials/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/FastMathFunctions/sqrt.c
parent1e6e8a2062923b434b2f4f5f2a9f8c0098135b01 (diff)
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Move firmware into subdirectory
Diffstat (limited to 'fw/midi-dials/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/FastMathFunctions/sqrt.c')
-rw-r--r--fw/midi-dials/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/FastMathFunctions/sqrt.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/fw/midi-dials/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/FastMathFunctions/sqrt.c b/fw/midi-dials/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/FastMathFunctions/sqrt.c
new file mode 100644
index 0000000..9dc34af
--- /dev/null
+++ b/fw/midi-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;
+}