CMSIS DSP library

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cmsis_dsp/MatrixFunctions/arm_mat_init_f32.c

Committer:
mbed_official
Date:
2015-11-20
Revision:
5:3762170b6d4d
Parent:
3:7a284390b0ce

File content as of revision 5:3762170b6d4d:

/* ----------------------------------------------------------------------------    
* Copyright (C) 2010-2014 ARM Limited. All rights reserved.    
*    
* $Date:        19. March 2015
* $Revision: 	V.1.4.5
*    
* Project: 	    CMSIS DSP Library    
* Title:        arm_mat_init_f32.c    
*    
* Description:	Floating-point matrix initialization.    
*    
* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
*  
* Redistribution and use in source and binary forms, with or without 
* modification, are permitted provided that the following conditions
* are met:
*   - Redistributions of source code must retain the above copyright
*     notice, this list of conditions and the following disclaimer.
*   - Redistributions in binary form must reproduce the above copyright
*     notice, this list of conditions and the following disclaimer in
*     the documentation and/or other materials provided with the 
*     distribution.
*   - Neither the name of ARM LIMITED nor the names of its contributors
*     may be used to endorse or promote products derived from this
*     software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.   
* -------------------------------------------------------------------------- */

#include "arm_math.h"

/**    
 * @ingroup groupMatrix    
 */

/**    
 * @defgroup MatrixInit Matrix Initialization    
 *    
 * Initializes the underlying matrix data structure.    
 * The functions set the <code>numRows</code>,    
 * <code>numCols</code>, and <code>pData</code> fields    
 * of the matrix data structure.    
 */

/**    
 * @addtogroup MatrixInit    
 * @{    
 */

/**    
   * @brief  Floating-point matrix initialization.    
   * @param[in,out] *S             points to an instance of the floating-point matrix structure.    
   * @param[in]     nRows          number of rows in the matrix.    
   * @param[in]     nColumns       number of columns in the matrix.    
   * @param[in]     *pData	   points to the matrix data array.    
   * @return        none    
   */

void arm_mat_init_f32(
  arm_matrix_instance_f32 * S,
  uint16_t nRows,
  uint16_t nColumns,
  float32_t * pData)
{
  /* Assign Number of Rows */
  S->numRows = nRows;

  /* Assign Number of Columns */
  S->numCols = nColumns;

  /* Assign Data pointer */
  S->pData = pData;
}

/**    
 * @} end of MatrixInit group    
 */