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| author | jaseg <git@jaseg.de> | 2020-12-20 15:18:02 +0100 |
|---|---|---|
| committer | jaseg <git@jaseg.de> | 2020-12-20 15:18:02 +0100 |
| commit | 94f94260ace13688285fc8c62687079b26c18854 (patch) | |
| tree | 4691249052e28be4d3515c6d2ed4b40545c21ea7 /fw/midi-dials/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/StatisticsFunctions/var.c | |
| parent | 3559d845d29272050d4d44e18e0bb84e676e48ff (diff) | |
| download | minikbd-94f94260ace13688285fc8c62687079b26c18854.tar.gz minikbd-94f94260ace13688285fc8c62687079b26c18854.tar.bz2 minikbd-94f94260ace13688285fc8c62687079b26c18854.zip | |
Submodule-cache WIP
Diffstat (limited to 'fw/midi-dials/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/StatisticsFunctions/var.c')
| -rw-r--r-- | fw/midi-dials/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/StatisticsFunctions/var.c | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/fw/midi-dials/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/StatisticsFunctions/var.c b/fw/midi-dials/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/StatisticsFunctions/var.c deleted file mode 100644 index f5da3a6..0000000 --- a/fw/midi-dials/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/StatisticsFunctions/var.c +++ /dev/null @@ -1,70 +0,0 @@ -#include "ref.h"
-
-void ref_var_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 = (sumsq - sum * sum / (float32_t)blockSize) / ((float32_t)blockSize - 1);
-}
-
-void ref_var_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;
- }
- *pResult = (sumsq - sum * sum / (q31_t)blockSize) / ((q31_t)blockSize - 1) >> 15;
-}
-
-void ref_var_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];
- }
- *pResult = (q31_t)((sumsq - (q63_t)sum * sum / (q63_t)blockSize) / ((q63_t)blockSize - 1)) >> 15;
-}
|