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path: root/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/BasicMathFunctions/shift.c
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Diffstat (limited to 'Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/BasicMathFunctions/shift.c')
-rw-r--r--Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/BasicMathFunctions/shift.c73
1 files changed, 73 insertions, 0 deletions
diff --git a/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/BasicMathFunctions/shift.c b/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/BasicMathFunctions/shift.c
new file mode 100644
index 0000000..3bc53ad
--- /dev/null
+++ b/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;
+ }
+ }
+}