CMSIS-DSP  Version 1.4.4
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Matrix Initialization

Functions

void arm_mat_init_f32 (arm_matrix_instance_f32 *S, uint16_t nRows, uint16_t nColumns, float32_t *pData)
 Floating-point matrix initialization.
 
void arm_mat_init_q15 (arm_matrix_instance_q15 *S, uint16_t nRows, uint16_t nColumns, q15_t *pData)
 Q15 matrix initialization.
 
void arm_mat_init_q31 (arm_matrix_instance_q31 *S, uint16_t nRows, uint16_t nColumns, q31_t *pData)
 Q31 matrix initialization.
 

Description

Initializes the underlying matrix data structure. The functions set the numRows, numCols, and pData fields of the matrix data structure.

Function Documentation

void arm_mat_init_f32 ( arm_matrix_instance_f32 S,
uint16_t  nRows,
uint16_t  nColumns,
float32_t pData 
)
Parameters
[in,out]*Spoints to an instance of the floating-point matrix structure.
[in]nRowsnumber of rows in the matrix.
[in]nColumnsnumber of columns in the matrix.
[in]*pDatapoints to the matrix data array.
Returns
none
Examples:
arm_class_marks_example_f32.c, and arm_matrix_example_f32.c.

References arm_matrix_instance_f32::numCols, arm_matrix_instance_f32::numRows, and arm_matrix_instance_f32::pData.

Referenced by main().

void arm_mat_init_q15 ( arm_matrix_instance_q15 S,
uint16_t  nRows,
uint16_t  nColumns,
q15_t pData 
)
Parameters
[in,out]*Spoints to an instance of the floating-point matrix structure.
[in]nRowsnumber of rows in the matrix.
[in]nColumnsnumber of columns in the matrix.
[in]*pDatapoints to the matrix data array.
Returns
none

References arm_matrix_instance_q15::numCols, arm_matrix_instance_q15::numRows, and arm_matrix_instance_q15::pData.

void arm_mat_init_q31 ( arm_matrix_instance_q31 S,
uint16_t  nRows,
uint16_t  nColumns,
q31_t pData 
)
Parameters
[in,out]*Spoints to an instance of the floating-point matrix structure.
[in]nRowsnumber of rows in the matrix.
[in]nColumnsnumber of columns in the matrix.
[in]*pDatapoints to the matrix data array.
Returns
none

References arm_matrix_instance_q31::numCols, arm_matrix_instance_q31::numRows, and arm_matrix_instance_q31::pData.