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author | jaseg <git@jaseg.net> | 2020-10-14 12:49:08 +0200 |
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committer | jaseg <git@jaseg.net> | 2020-10-14 12:49:08 +0200 |
commit | 3559d845d29272050d4d44e18e0bb84e676e48ff (patch) | |
tree | d8d6ce99e40b1a3745d76f0c9aac2f10e7286481 /fw/midi-dials/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/BasicMathFunctions/shift.c | |
parent | 491b2acaaa9db1798445f3e174e68ada7424fc33 (diff) | |
parent | 6ab94e0b318884bbcb95e2ea3835f951502e1d99 (diff) | |
download | minikbd-3559d845d29272050d4d44e18e0bb84e676e48ff.tar.gz minikbd-3559d845d29272050d4d44e18e0bb84e676e48ff.tar.bz2 minikbd-3559d845d29272050d4d44e18e0bb84e676e48ff.zip |
Merge firmware and pcb repos
Diffstat (limited to 'fw/midi-dials/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/BasicMathFunctions/shift.c')
-rw-r--r-- | fw/midi-dials/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/BasicMathFunctions/shift.c | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/fw/midi-dials/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/BasicMathFunctions/shift.c b/fw/midi-dials/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/BasicMathFunctions/shift.c new file mode 100644 index 0000000..3bc53ad --- /dev/null +++ b/fw/midi-dials/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/BasicMathFunctions/shift.c @@ -0,0 +1,73 @@ +#include "ref.h"
+
+void ref_shift_q31(
+ q31_t * pSrc,
+ int8_t shiftBits,
+ q31_t * pDst,
+ uint32_t blockSize)
+{
+ uint32_t i;
+
+ if (shiftBits < 0)
+ {
+ for(i=0;i<blockSize;i++)
+ {
+ pDst[i] = pSrc[i] << shiftBits;
+ }
+ }
+ else
+ {
+ for(i=0;i<blockSize;i++)
+ {
+ pDst[i] = pSrc[i] >> -shiftBits;
+ }
+ }
+}
+
+void ref_shift_q15(
+ q15_t * pSrc,
+ int8_t shiftBits,
+ q15_t * pDst,
+ uint32_t blockSize)
+{
+ uint32_t i;
+
+ if (shiftBits < 0)
+ {
+ for(i=0;i<blockSize;i++)
+ {
+ pDst[i] = pSrc[i] << shiftBits;
+ }
+ }
+ else
+ {
+ for(i=0;i<blockSize;i++)
+ {
+ pDst[i] = pSrc[i] >> -shiftBits;
+ }
+ }
+}
+
+void ref_shift_q7(
+ q7_t * pSrc,
+ int8_t shiftBits,
+ q7_t * pDst,
+ uint32_t blockSize)
+{
+ uint32_t i;
+
+ if (shiftBits < 0)
+ {
+ for(i=0;i<blockSize;i++)
+ {
+ pDst[i] = pSrc[i] << shiftBits;
+ }
+ }
+ else
+ {
+ for(i=0;i<blockSize;i++)
+ {
+ pDst[i] = pSrc[i] >> -shiftBits;
+ }
+ }
+}
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