"TMS320C55x DSP Library DSPLIB Programmer's Reference"

maxidx34maxidx34FunctionIndex of the Maximum Element of a Vector ≤ 34short r = maxidx34 (DATA *x, ushort nx)(defined in maxidx34.asm)Argumentsx[nx]rPointer to input vector of size nx.Index for vector element with maximum value.nx Lenght of input data vector (nx ≤ 34).DescriptionAlgorithmReturns the index of the maximum element of a vector x. In case of multiplemaximum elements, r contains the index of the first maximum element found.Not applicableOverflow Handling MethodologyNot applicableSpecial Requirements Size of the vector, nx ≤ 34Implementation Notes noneExampleBenchmarksSee examples/maxidx34 subdirectory(preliminary)Cycles † Core: nx/2Overhead: 42Code size(in bytes)26† 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).maxvalFunctionMaximum Value of a Vectorshort r = maxval (DATA *x, ushort nx)(defined in maxval.asm)Argumentsx[nx]rnxPointer to input vector of size nx.Maximum value of a vectorLength of input data vector4-70