1 /* ----------------------------------------------------------------------
9  * Target Processor: Cortex-M and Cortex-A cores
10  * -------------------------------------------------------------------- */
12  * Copyright (C) 2010-2021 ARM Limited or its affiliates. All rights reserved.
14  * SPDX-License-Identifier: Apache-2.0
20  * www.apache.org/licenses/LICENSE-2.0
46                    - \ref ARM_MATH_SUCCESS       : Operation successful
47                    - \ref ARM_MATH_SIZE_MISMATCH : Matrix size check failed
69     pDataA = pSrcA->pData;  in arm_mat_sub_q15()
70     pDataB = pSrcB->pData;  in arm_mat_sub_q15()
71     pDataDst = pDst->pData;  in arm_mat_sub_q15()
78   if ((pSrcA->numRows != pSrcB->numRows) ||  in arm_mat_sub_q15()
79       (pSrcA->numCols != pSrcB->numCols) ||  in arm_mat_sub_q15()
80       (pSrcA->numRows != pDst->numRows)  ||  in arm_mat_sub_q15()
81       (pSrcA->numCols != pDst->numCols)    )  in arm_mat_sub_q15()
93     numSamples = (uint32_t) pSrcA->numRows * pSrcA->numCols;  in arm_mat_sub_q15()
97         /* C(m,n) = A(m,n) + B(m,n) */  in arm_mat_sub_q15()
106         blkCnt--;  in arm_mat_sub_q15()
133         q15_t *pInA = pSrcA->pData;                    /* input data matrix pointer A */  in arm_mat_sub_q15()
134         q15_t *pInB = pSrcB->pData;                    /* input data matrix pointer B */  in arm_mat_sub_q15()
135         q15_t *pOut = pDst->pData;                     /* output data matrix pointer */  in arm_mat_sub_q15()
144   if ((pSrcA->numRows != pSrcB->numRows) ||  in arm_mat_sub_q15()
145       (pSrcA->numCols != pSrcB->numCols) ||  in arm_mat_sub_q15()
146       (pSrcA->numRows != pDst->numRows)  ||  in arm_mat_sub_q15()
147       (pSrcA->numCols != pDst->numCols)    )  in arm_mat_sub_q15()
157     numSamples = (uint32_t) pSrcA->numRows * pSrcA->numCols;  in arm_mat_sub_q15()
166       /* C(m,n) = A(m,n) - B(m,n) */  in arm_mat_sub_q15()
173       *pOut++ = (q15_t) __SSAT(((q31_t) * pInA++ - *pInB++), 16);  in arm_mat_sub_q15()
174       *pOut++ = (q15_t) __SSAT(((q31_t) * pInA++ - *pInB++), 16);  in arm_mat_sub_q15()
175       *pOut++ = (q15_t) __SSAT(((q31_t) * pInA++ - *pInB++), 16);  in arm_mat_sub_q15()
176       *pOut++ = (q15_t) __SSAT(((q31_t) * pInA++ - *pInB++), 16);  in arm_mat_sub_q15()
180       blkCnt--;  in arm_mat_sub_q15()
195       /* C(m,n) = A(m,n) - B(m,n) */  in arm_mat_sub_q15()
201       *pOut++ = (q15_t) __SSAT(((q31_t) * pInA++ - *pInB++), 16);  in arm_mat_sub_q15()
205       blkCnt--;  in arm_mat_sub_q15()