tmk_core/tool/mbed/mbed-sdk/libraries/dsp/cmsis_dsp/MatrixFunctions/arm_mat_init_f32.c

   1 /* ----------------------------------------------------------------------------
   2 * Copyright (C) 2010-2013 ARM Limited. All rights reserved.
   3 *
   4 * $Date:        17. January 2013
   5 * $Revision:    V1.4.1
   6 *
   7 * Project:          CMSIS DSP Library
   8 * Title:        arm_mat_init_f32.c
   9 *
  10 * Description:  Floating-point matrix initialization.
  11 *
  12 * Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
  13 *
  14 * Redistribution and use in source and binary forms, with or without
  15 * modification, are permitted provided that the following conditions
  16 * are met:
  17 *   - Redistributions of source code must retain the above copyright
  18 *     notice, this list of conditions and the following disclaimer.
  19 *   - Redistributions in binary form must reproduce the above copyright
  20 *     notice, this list of conditions and the following disclaimer in
  21 *     the documentation and/or other materials provided with the
  22 *     distribution.
  23 *   - Neither the name of ARM LIMITED nor the names of its contributors
  24 *     may be used to endorse or promote products derived from this
  25 *     software without specific prior written permission.
  26 *
  27 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  28 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  29 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  30 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
  31 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  32 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
  33 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  34 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  35 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  37 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  38 * POSSIBILITY OF SUCH DAMAGE.
  39 * -------------------------------------------------------------------------- */
  40
  41 #include "arm_math.h"
  42
  43 /**
  44  * @ingroup groupMatrix
  45  */
  46
  47 /**
  48  * @defgroup MatrixInit Matrix Initialization
  49  *
  50  * Initializes the underlying matrix data structure.
  51  * The functions set the <code>numRows</code>,
  52  * <code>numCols</code>, and <code>pData</code> fields
  53  * of the matrix data structure.
  54  */
  55
  56 /**
  57  * @addtogroup MatrixInit
  58  * @{
  59  */
  60
  61 /**
  62    * @brief  Floating-point matrix initialization.
  63    * @param[in,out] *S             points to an instance of the floating-point matrix structure.
  64    * @param[in]     nRows          number of rows in the matrix.
  65    * @param[in]     nColumns       number of columns in the matrix.
  66    * @param[in]     *pData         points to the matrix data array.
  67    * @return        none
  68    */
  69
  70 void arm_mat_init_f32(
  71   arm_matrix_instance_f32 * S,
  72   uint16_t nRows,
  73   uint16_t nColumns,
  74   float32_t * pData)
  75 {
  76   /* Assign Number of Rows */
  77   S->numRows = nRows;
  78
  79   /* Assign Number of Columns */
  80   S->numCols = nColumns;
  81
  82   /* Assign Data pointer */
  83   S->pData = pData;
  84 }
  85
  86 /**
  87  * @} end of MatrixInit group
  88  */