1.4.2.27 DSP_MatrixTranspose32 Function
Transpose of a Matrix C = A (T).
Description
void DSP_MatrixTranspose32(matrix32 *desMat, matrix32 *srcMat);
Transpose of rows and columns of a matrix.
Preconditions
Matrix definitions for ROWS and COLS must be transposed prior to the function call.
Parameters
desMat pointer to transposed new Matrix C (*int32_t)
srcMat pointer to the Matrix A structure (*int32_t)
Returns
None.
Remarks
Execution Time (cycles): 210 cycles + 10 / matrix_element.
Example
#define ROW 3 #define COL 4 matrix32 *resMat, *srcMat1; int32_t result[ROW*COL]; int32_t matA[ROW*COL] = { 1, 2, 3, 4, 5, 6, 7, 8, -1, -3, -5, -7}; matrix32 mat, mat2; resMat=&mat; srcMat1=&mat2; srcMat1->row=ROW; srcMat1->col=COL; srcMat1->pMatrix=matA; resMat->row=COL; _// note the shift in columns and rows_ resMat->col=ROW; resMat->pMatrix=result; DSP_MatrixTranspose32(resMat, srcMat1); _// result[] = matA(T)[] = { 1, 5, -1,_ _// 2, 6, -3,_ _// 3, 7, -5,_ _// 4, 8, -7}_
C
void DSP_MatrixTranspose32 (matrix32 * desMat , matrix32 * srcMat );