C64x Vector Sum of Squares - Sum of squares over each real input channel

Library

Embedded Coder/ Embedded Targets/ Processors/ Texas Instruments C6000/ Optimization/ C64x DSP Library

Description

The C64x Vector Sum of Squares block computes the sum of squares over each channel of a real input. The number of samples per input channel must be divisible by 4; equal to or greater than 8; and the input must be a 16-bit signed fixed-point data type. The output is a 32-bit signed fixed-point scalar on each channel. The number of fractional bits of the output is twice the number of fractional bits of the input.

The Vector Sum of Squares block supports both continuous and discrete sample times. This block supports little-endian code generation only.

Dialog Box

Algorithm

In simulation, the Vector Sum of Squares block is equivalent to the TMS320C64x DSP Library assembly code function DSP_vecsumsq. During code generation, this block calls the DSP_vecsumsq routine to produce optimized code.

© 1984-2012- The MathWorks, Inc.    -   Site Help   -   Patents   -   Trademarks   -   Privacy Policy   -   Preventing Piracy   -   RSS