"TMS320C55x DSP Library DSPLIB Programmer's Reference"

mtransmtransFunctionMatrix Transposeushort oflag = mtrans (DATA *x, short row, short col, DATA *r)(defined in mtrans.asm)Argumentsx[row*col]rowcolr[row*col]Pointer to input matrix. In-place processing is not allowed.number of rows in matrixnumber of columns in matrixPointer to output data vectorDescriptionAlgorithmThis function transposes matrix xfor i = 1 to Mfor j = 1 to NC(j,i) = A(i,j)Overflow Handling MethodologyNot applicableSpecial Requirements noneImplementation Notes noneExampleBenchmarksSee examples/mtrans subdirectory(preliminary)Cycles † Core: (1 + col) * rowOverhead: 23Code size(in bytes)65† Assumes all data is in on-chip dual-access RAM and that there is no bus conflict due to twiddletable reads and instruction fetches (provided linker command file reflects those conditions).mul32Function32-bit Vector Multiplicationushort oflag = mul32 (LDATA *x, LDATA *y, LDATA *r, ushort nx)(defined in mul32.asm)Argumentsx[nx]y[nx]Pointer to input data vector 1 of size nx. In-place processingallowed (r can be = x = y)Pointer to input data vector 2 of size nx4-76