You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: block_splitter_command.go
    path of file: ./repos/quicktemplate/vendor/github.com/andybalholm/brotli
    
    the code of the file until where you have to start completion: package brotli

import "math"

/* Copyright 2013 Google Inc. All Rights Reserved.

   Distributed under MIT license.
   See file LICENSE for detail or copy at https://opensource
    
func randomSampleCommand(seed *uint32, data []uint16, length uint, stride uint, sample *histogramCommand) {
	var pos uint = 0
	if stride >= length {
		stride = length
	} else {
		pos = uint(myRand(seed) % uint32(length-stride+1))
	}

	histogramAddVectorCommand(sample, data[pos:], stride)
}