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path: root/fw/hid-dials/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/StatisticsFunctions/std.c
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Diffstat (limited to 'fw/hid-dials/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/StatisticsFunctions/std.c')
-rw-r--r--fw/hid-dials/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/StatisticsFunctions/std.c74
1 files changed, 0 insertions, 74 deletions
diff --git a/fw/hid-dials/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/StatisticsFunctions/std.c b/fw/hid-dials/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/StatisticsFunctions/std.c
deleted file mode 100644
index c0c1ba3..0000000
--- a/fw/hid-dials/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/StatisticsFunctions/std.c
+++ /dev/null
@@ -1,74 +0,0 @@
-#include "ref.h"
-
-void ref_std_f32(
- float32_t * pSrc,
- uint32_t blockSize,
- float32_t * pResult)
-{
- uint32_t i;
- float32_t sum=0, sumsq=0;
-
- if (blockSize == 1)
- {
- *pResult = 0;
- return;
- }
-
- for(i=0;i<blockSize;i++)
- {
- sum += pSrc[i];
- sumsq += pSrc[i] * pSrc[i];
- }
- *pResult = sqrtf((sumsq - sum * sum / (float32_t)blockSize) / ((float32_t)blockSize - 1));
-}
-
-void ref_std_q31(
- q31_t * pSrc,
- uint32_t blockSize,
- q31_t * pResult)
-{
- uint32_t i;
- q63_t sum=0, sumsq=0;
- q31_t in;
-
- if (blockSize == 1)
- {
- *pResult = 0;
- return;
- }
-
- for(i=0;i<blockSize;i++)
- {
- in = pSrc[i] >> 8;
- sum += in;
- sumsq += (q63_t)in * in;
- }
- sumsq /= (q63_t)(blockSize - 1);
- sum = sum * sum / (q63_t)(blockSize * (blockSize - 1));
- *pResult = (q31_t)(sqrtf((float)( (sumsq - sum) >> 15) / 2147483648.0f ) * 2147483648.0f);
-}
-
-void ref_std_q15(
- q15_t * pSrc,
- uint32_t blockSize,
- q15_t * pResult)
-{
- uint32_t i;
- q31_t sum=0;
- q63_t sumsq=0;
-
- if (blockSize == 1)
- {
- *pResult = 0;
- return;
- }
-
- for(i=0;i<blockSize;i++)
- {
- sum += pSrc[i];
- sumsq += (q63_t)pSrc[i] * pSrc[i];
- }
- sumsq /= (q63_t)(blockSize - 1);
- sum = (q31_t)((q63_t)sum * sum / (q63_t)(blockSize * (blockSize - 1)));
- *pResult = (q15_t)(sqrtf((float)ref_sat_q15( (sumsq - sum) >> 15) / 32768.0f ) * 32768.0f);
-}