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package quickselect

func Quickselect(data []int, k, left, right int) {
	var t, i, j int
	for right > left {
		t = data[k]
		i = left
		j = right

		swap(data, left, k)

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package main

import (
	"fmt"
	"io"
	"log"
	"os"

	"github.com/cheggaaa/pb/v3"
	"github.com/paulmach/osm/osmpbf" // cgo branch

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package main

import (
	"testing"
	"testing/quick"

	flatbuffers "github.com/google/flatbuffers/go"
)

// TestCreateSharedStringReset ...

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commands:
  # replaces `aws-cli/install`
  aws_cli_install:
    description: Install AWS CLI (from cache if possible)
    steps:
      - restore_cache:
          key: awscliv2
          paths:
            - /tmp/aws
      - run:

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% make clean && time make
rm -f tile-join
go build -o tile-join main.go tile_writer.go chan_group.go model.go scanner.go util.go io_closer_cache.go neighborhood.go
./tile-join --pbf_path /Volumes/OSM\ Projects/planet-highways-200413.osm.pbf \
				--out_dir ~/Desktop/planet-highways-200413-tiles \
				--way_tags access --way_tags area --way_tags foot --way_tags highway --way_tags service \
				--zoom 10 \
				--overwrite \
 --progress

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//
// Port of https://github.com/mapbox/concaveman/blob/6d149db46e9876b3afe2c14b4cee7d9e3997f1e1/index.js#L285-L352
//
// function sqSegSegDist(x0, y0, x1, y1, x2, y2, x3, y3) {
func sqSegSegDist(x0, y0, x1, y1, x2, y2, x3, y3 float64) float64 {
    // var ux = x1 - x0;
    ux := x1 - x0
    // var uy = y1 - y0;
    uy := y1 - y0
    // var vx = x3 - x2;