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CMSIS-DSP
Version 1.5.2
CMSIS DSP Software Library
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Functions | |
| arm_status | arm_mat_sub_f32 (const arm_matrix_instance_f32 *pSrcA, const arm_matrix_instance_f32 *pSrcB, arm_matrix_instance_f32 *pDst) |
| Floating-point matrix subtraction. More... | |
| arm_status | arm_mat_sub_q15 (const arm_matrix_instance_q15 *pSrcA, const arm_matrix_instance_q15 *pSrcB, arm_matrix_instance_q15 *pDst) |
| Q15 matrix subtraction. More... | |
| arm_status | arm_mat_sub_q31 (const arm_matrix_instance_q31 *pSrcA, const arm_matrix_instance_q31 *pSrcB, arm_matrix_instance_q31 *pDst) |
| Q31 matrix subtraction. More... | |
Subtract two matrices.
The functions check to make sure that pSrcA, pSrcB, and pDst have the same number of rows and columns.
| arm_status arm_mat_sub_f32 | ( | const arm_matrix_instance_f32 * | pSrcA, |
| const arm_matrix_instance_f32 * | pSrcB, | ||
| arm_matrix_instance_f32 * | pDst | ||
| ) |
| [in] | *pSrcA | points to the first input matrix structure |
| [in] | *pSrcB | points to the second input matrix structure |
| [out] | *pDst | points to output matrix structure |
ARM_MATH_SIZE_MISMATCH or ARM_MATH_SUCCESS based on the outcome of size checking. References ARM_MATH_SIZE_MISMATCH, ARM_MATH_SUCCESS, arm_matrix_instance_f32::numCols, arm_matrix_instance_f32::numRows, arm_matrix_instance_f32::pData, and status.
| arm_status arm_mat_sub_q15 | ( | const arm_matrix_instance_q15 * | pSrcA, |
| const arm_matrix_instance_q15 * | pSrcB, | ||
| arm_matrix_instance_q15 * | pDst | ||
| ) |
| [in] | *pSrcA | points to the first input matrix structure |
| [in] | *pSrcB | points to the second input matrix structure |
| [out] | *pDst | points to output matrix structure |
ARM_MATH_SIZE_MISMATCH or ARM_MATH_SUCCESS based on the outcome of size checking.Scaling and Overflow Behavior:
References __QSUB16(), __SIMD32, ARM_MATH_SIZE_MISMATCH, ARM_MATH_SUCCESS, arm_matrix_instance_q15::numCols, arm_matrix_instance_q15::numRows, arm_matrix_instance_q15::pData, and status.
| arm_status arm_mat_sub_q31 | ( | const arm_matrix_instance_q31 * | pSrcA, |
| const arm_matrix_instance_q31 * | pSrcB, | ||
| arm_matrix_instance_q31 * | pDst | ||
| ) |
| [in] | *pSrcA | points to the first input matrix structure |
| [in] | *pSrcB | points to the second input matrix structure |
| [out] | *pDst | points to output matrix structure |
ARM_MATH_SIZE_MISMATCH or ARM_MATH_SUCCESS based on the outcome of size checking.Scaling and Overflow Behavior:
References __QSUB(), ARM_MATH_SIZE_MISMATCH, ARM_MATH_SUCCESS, arm_matrix_instance_q31::numCols, arm_matrix_instance_q31::numRows, arm_matrix_instance_q31::pData, and status.