1  /* ----------------------------------------------------------------------
 2   * Project:      CMSIS DSP Library
 3   * Title:        arm_mat_init_f32.c
 4   * Description:  Floating-point matrix initialization
 5   *
 6   * $Date:        23 April 2021
 7   * $Revision:    V1.9.0
 8   *
 9   * Target Processor: Cortex-M and Cortex-A cores
10   * -------------------------------------------------------------------- */
11  /*
12   * Copyright (C) 2010-2021 ARM Limited or its affiliates. All rights reserved.
13   *
14   * SPDX-License-Identifier: Apache-2.0
15   *
16   * Licensed under the Apache License, Version 2.0 (the License); you may
17   * not use this file except in compliance with the License.
18   * You may obtain a copy of the License at
19   *
20   * www.apache.org/licenses/LICENSE-2.0
21   *
22   * Unless required by applicable law or agreed to in writing, software
23   * distributed under the License is distributed on an AS IS BASIS, WITHOUT
24   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
25   * See the License for the specific language governing permissions and
26   * limitations under the License.
27   */
28  
29  #include "dsp/matrix_functions.h"
30  
31  /**
32    @ingroup groupMatrix
33   */
34  
35  /**
36    @defgroup MatrixInit Matrix Initialization
37   
38    Initializes the underlying matrix data structure.
39    The functions set the <code>numRows</code>,
40    <code>numCols</code>, and <code>pData</code> fields
41    of the matrix data structure.
42   */
43  
44  /**
45    @addtogroup MatrixInit
46    @{
47   */
48  
49  /**
50    @brief         Floating-point matrix initialization.
51    @param[in,out] S         points to an instance of the floating-point matrix structure
52    @param[in]     nRows     number of rows in the matrix
53    @param[in]     nColumns  number of columns in the matrix
54    @param[in]     pData     points to the matrix data array
55    @return        none
56   */
57  
58  void arm_mat_init_f32(
59    arm_matrix_instance_f32 * S,
60    uint16_t nRows,
61    uint16_t nColumns,
62    float32_t * pData)
63  {
64    /* Assign Number of Rows */
65    S->numRows = nRows;
66  
67    /* Assign Number of Columns */
68    S->numCols = nColumns;
69  
70    /* Assign Data pointer */
71    S->pData = pData;
72  }
73  
74  /**
75    @} end of MatrixInit group
76   */