diff options
Diffstat (limited to 'fw/hid-dials/Drivers/CMSIS/DSP/Source/MatrixFunctions/arm_mat_trans_q15.c')
| -rw-r--r-- | fw/hid-dials/Drivers/CMSIS/DSP/Source/MatrixFunctions/arm_mat_trans_q15.c | 272 |
1 files changed, 272 insertions, 0 deletions
diff --git a/fw/hid-dials/Drivers/CMSIS/DSP/Source/MatrixFunctions/arm_mat_trans_q15.c b/fw/hid-dials/Drivers/CMSIS/DSP/Source/MatrixFunctions/arm_mat_trans_q15.c new file mode 100644 index 0000000..817210c --- /dev/null +++ b/fw/hid-dials/Drivers/CMSIS/DSP/Source/MatrixFunctions/arm_mat_trans_q15.c @@ -0,0 +1,272 @@ +/* ----------------------------------------------------------------------
+ * Project: CMSIS DSP Library
+ * Title: arm_mat_trans_q15.c
+ * Description: Q15 matrix transpose
+ *
+ * $Date: 27. January 2017
+ * $Revision: V.1.5.1
+ *
+ * Target Processor: Cortex-M cores
+ * -------------------------------------------------------------------- */
+/*
+ * Copyright (C) 2010-2017 ARM Limited or its affiliates. All rights reserved.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the License); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an AS IS BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "arm_math.h"
+
+/**
+ * @ingroup groupMatrix
+ */
+
+/**
+ * @addtogroup MatrixTrans
+ * @{
+ */
+
+/*
+ * @brief Q15 matrix transpose.
+ * @param[in] *pSrc points to the input matrix
+ * @param[out] *pDst points to the output matrix
+ * @return The function returns either <code>ARM_MATH_SIZE_MISMATCH</code>
+ * or <code>ARM_MATH_SUCCESS</code> based on the outcome of size checking.
+ */
+
+arm_status arm_mat_trans_q15(
+ const arm_matrix_instance_q15 * pSrc,
+ arm_matrix_instance_q15 * pDst)
+{
+ q15_t *pSrcA = pSrc->pData; /* input data matrix pointer */
+ q15_t *pOut = pDst->pData; /* output data matrix pointer */
+ uint16_t nRows = pSrc->numRows; /* number of nRows */
+ uint16_t nColumns = pSrc->numCols; /* number of nColumns */
+ uint16_t col, row = nRows, i = 0U; /* row and column loop counters */
+ arm_status status; /* status of matrix transpose */
+
+#if defined (ARM_MATH_DSP)
+
+ /* Run the below code for Cortex-M4 and Cortex-M3 */
+#ifndef UNALIGNED_SUPPORT_DISABLE
+
+ q31_t in; /* variable to hold temporary output */
+
+#else
+
+ q15_t in;
+
+#endif /* #ifndef UNALIGNED_SUPPORT_DISABLE */
+
+#ifdef ARM_MATH_MATRIX_CHECK
+
+
+ /* Check for matrix mismatch condition */
+ if ((pSrc->numRows != pDst->numCols) || (pSrc->numCols != pDst->numRows))
+ {
+ /* Set status as ARM_MATH_SIZE_MISMATCH */
+ status = ARM_MATH_SIZE_MISMATCH;
+ }
+ else
+#endif /* #ifdef ARM_MATH_MATRIX_CHECK */
+
+ {
+ /* Matrix transpose by exchanging the rows with columns */
+ /* row loop */
+ do
+ {
+
+ /* Apply loop unrolling and exchange the columns with row elements */
+ col = nColumns >> 2U;
+
+ /* The pointer pOut is set to starting address of the column being processed */
+ pOut = pDst->pData + i;
+
+ /* First part of the processing with loop unrolling. Compute 4 outputs at a time.
+ ** a second loop below computes the remaining 1 to 3 samples. */
+ while (col > 0U)
+ {
+#ifndef UNALIGNED_SUPPORT_DISABLE
+
+ /* Read two elements from the row */
+ in = *__SIMD32(pSrcA)++;
+
+ /* Unpack and store one element in the destination */
+#ifndef ARM_MATH_BIG_ENDIAN
+
+ *pOut = (q15_t) in;
+
+#else
+
+ *pOut = (q15_t) ((in & (q31_t) 0xffff0000) >> 16);
+
+#endif /* #ifndef ARM_MATH_BIG_ENDIAN */
+
+ /* Update the pointer pOut to point to the next row of the transposed matrix */
+ pOut += nRows;
+
+ /* Unpack and store the second element in the destination */
+
+#ifndef ARM_MATH_BIG_ENDIAN
+
+ *pOut = (q15_t) ((in & (q31_t) 0xffff0000) >> 16);
+
+#else
+
+ *pOut = (q15_t) in;
+
+#endif /* #ifndef ARM_MATH_BIG_ENDIAN */
+
+ /* Update the pointer pOut to point to the next row of the transposed matrix */
+ pOut += nRows;
+
+ /* Read two elements from the row */
+#ifndef ARM_MATH_BIG_ENDIAN
+
+ in = *__SIMD32(pSrcA)++;
+
+#else
+
+ in = *__SIMD32(pSrcA)++;
+
+#endif /* #ifndef ARM_MATH_BIG_ENDIAN */
+
+ /* Unpack and store one element in the destination */
+#ifndef ARM_MATH_BIG_ENDIAN
+
+ *pOut = (q15_t) in;
+
+#else
+
+ *pOut = (q15_t) ((in & (q31_t) 0xffff0000) >> 16);
+
+#endif /* #ifndef ARM_MATH_BIG_ENDIAN */
+
+ /* Update the pointer pOut to point to the next row of the transposed matrix */
+ pOut += nRows;
+
+ /* Unpack and store the second element in the destination */
+#ifndef ARM_MATH_BIG_ENDIAN
+
+ *pOut = (q15_t) ((in & (q31_t) 0xffff0000) >> 16);
+
+#else
+
+ *pOut = (q15_t) in;
+
+#endif /* #ifndef ARM_MATH_BIG_ENDIAN */
+
+#else
+ /* Read one element from the row */
+ in = *pSrcA++;
+
+ /* Store one element in the destination */
+ *pOut = in;
+
+ /* Update the pointer px to point to the next row of the transposed matrix */
+ pOut += nRows;
+
+ /* Read one element from the row */
+ in = *pSrcA++;
+
+ /* Store one element in the destination */
+ *pOut = in;
+
+ /* Update the pointer px to point to the next row of the transposed matrix */
+ pOut += nRows;
+
+ /* Read one element from the row */
+ in = *pSrcA++;
+
+ /* Store one element in the destination */
+ *pOut = in;
+
+ /* Update the pointer px to point to the next row of the transposed matrix */
+ pOut += nRows;
+
+ /* Read one element from the row */
+ in = *pSrcA++;
+
+ /* Store one element in the destination */
+ *pOut = in;
+
+#endif /* #ifndef UNALIGNED_SUPPORT_DISABLE */
+
+ /* Update the pointer pOut to point to the next row of the transposed matrix */
+ pOut += nRows;
+
+ /* Decrement the column loop counter */
+ col--;
+ }
+
+ /* Perform matrix transpose for last 3 samples here. */
+ col = nColumns % 0x4U;
+
+#else
+
+ /* Run the below code for Cortex-M0 */
+
+#ifdef ARM_MATH_MATRIX_CHECK
+
+ /* Check for matrix mismatch condition */
+ if ((pSrc->numRows != pDst->numCols) || (pSrc->numCols != pDst->numRows))
+ {
+ /* Set status as ARM_MATH_SIZE_MISMATCH */
+ status = ARM_MATH_SIZE_MISMATCH;
+ }
+ else
+#endif /* #ifdef ARM_MATH_MATRIX_CHECK */
+
+ {
+ /* Matrix transpose by exchanging the rows with columns */
+ /* row loop */
+ do
+ {
+ /* The pointer pOut is set to starting address of the column being processed */
+ pOut = pDst->pData + i;
+
+ /* Initialize column loop counter */
+ col = nColumns;
+
+#endif /* #if defined (ARM_MATH_DSP) */
+
+ while (col > 0U)
+ {
+ /* Read and store the input element in the destination */
+ *pOut = *pSrcA++;
+
+ /* Update the pointer pOut to point to the next row of the transposed matrix */
+ pOut += nRows;
+
+ /* Decrement the column loop counter */
+ col--;
+ }
+
+ i++;
+
+ /* Decrement the row loop counter */
+ row--;
+
+ } while (row > 0U);
+
+ /* set status as ARM_MATH_SUCCESS */
+ status = ARM_MATH_SUCCESS;
+ }
+ /* Return to application */
+ return (status);
+}
+
+/**
+ * @} end of MatrixTrans group
+ */
|