V4.0.1 of the ARM CMSIS DSP libraries. Note that arm_bitreversal2.s, arm_cfft_f32.c and arm_rfft_fast_f32.c had to be removed. arm_bitreversal2.s will not assemble with the online tools. So, the fast f32 FFT functions are not yet available. All the other FFT functions are available.
Dependents: MPU9150_Example fir_f32 fir_f32 MPU9150_nucleo_noni2cdev ... more
Vector Offset
[Basic Math Functions]
Adds a constant offset to each element of a vector. More...
Functions | |
void | arm_offset_f32 (float32_t *pSrc, float32_t offset, float32_t *pDst, uint32_t blockSize) |
Adds a constant offset to a floating-point vector. | |
void | arm_offset_q15 (q15_t *pSrc, q15_t offset, q15_t *pDst, uint32_t blockSize) |
Adds a constant offset to a Q15 vector. | |
void | arm_offset_q31 (q31_t *pSrc, q31_t offset, q31_t *pDst, uint32_t blockSize) |
Adds a constant offset to a Q31 vector. | |
void | arm_offset_q7 (q7_t *pSrc, q7_t offset, q7_t *pDst, uint32_t blockSize) |
Adds a constant offset to a Q7 vector. |
Detailed Description
Adds a constant offset to each element of a vector.
pDst[n] = pSrc[n] + offset, 0 <= n < blockSize.
The functions support in-place computation allowing the source and destination pointers to reference the same memory buffer. There are separate functions for floating-point, Q7, Q15, and Q31 data types.
Function Documentation
void arm_offset_f32 | ( | float32_t * | pSrc, |
float32_t | offset, | ||
float32_t * | pDst, | ||
uint32_t | blockSize | ||
) |
Adds a constant offset to a floating-point vector.
- Parameters:
-
[in] *pSrc points to the input vector [in] offset is the offset to be added [out] *pDst points to the output vector [in] blockSize number of samples in the vector
- Returns:
- none.
Definition at line 75 of file arm_offset_f32.c.
void arm_offset_q15 | ( | q15_t * | pSrc, |
q15_t | offset, | ||
q15_t * | pDst, | ||
uint32_t | blockSize | ||
) |
Adds a constant offset to a Q15 vector.
- Parameters:
-
[in] *pSrc points to the input vector [in] offset is the offset to be added [out] *pDst points to the output vector [in] blockSize number of samples in the vector
- Returns:
- none.
Scaling and Overflow Behavior:
- The function uses saturating arithmetic. Results outside of the allowable Q15 range [0x8000 0x7FFF] are saturated.
Definition at line 66 of file arm_offset_q15.c.
void arm_offset_q31 | ( | q31_t * | pSrc, |
q31_t | offset, | ||
q31_t * | pDst, | ||
uint32_t | blockSize | ||
) |
Adds a constant offset to a Q31 vector.
- Parameters:
-
[in] *pSrc points to the input vector [in] offset is the offset to be added [out] *pDst points to the output vector [in] blockSize number of samples in the vector
- Returns:
- none.
Scaling and Overflow Behavior:
- The function uses saturating arithmetic. Results outside of the allowable Q31 range [0x80000000 0x7FFFFFFF] are saturated.
Definition at line 66 of file arm_offset_q31.c.
void arm_offset_q7 | ( | q7_t * | pSrc, |
q7_t | offset, | ||
q7_t * | pDst, | ||
uint32_t | blockSize | ||
) |
Adds a constant offset to a Q7 vector.
- Parameters:
-
[in] *pSrc points to the input vector [in] offset is the offset to be added [out] *pDst points to the output vector [in] blockSize number of samples in the vector
- Returns:
- none.
Scaling and Overflow Behavior:
- The function uses saturating arithmetic. Results outside of the allowable Q7 range [0x80 0x7F] are saturated.
Definition at line 66 of file arm_offset_q7.c.
Generated on Tue Jul 12 2022 19:48:46 by
![doxygen](doxygen.png)