diff options
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/default.nix | 2 | ||||
| -rw-r--r-- | tools/seqstat/default.nix | 24 | ||||
| -rw-r--r-- | tools/seqstat/go.mod | 3 | ||||
| -rw-r--r-- | tools/seqstat/seqstat.go | 63 | ||||
| -rwxr-xr-x | tools/seqstat/seqstat.py | 26 | ||||
| -rw-r--r-- | tools/seqstat/sequence.go | 79 | ||||
| -rw-r--r-- | tools/seqstat/sequence_test.go | 49 |
7 files changed, 52 insertions, 194 deletions
diff --git a/tools/default.nix b/tools/default.nix index 1044b09..c266842 100644 --- a/tools/default.nix +++ b/tools/default.nix @@ -7,6 +7,8 @@ pkgs.lib.makeScope pkgs.newScope (pkgs: { ipconverter = pkgs.callPackage ./ipconverter { }; + seqstat = pkgs.callPackage ./seqstat { }; + git-blame-stats = pkgs.callPackage ./git-blame-stats { }; sendsms = pkgs.callPackage ./sendsms { }; diff --git a/tools/seqstat/default.nix b/tools/seqstat/default.nix new file mode 100644 index 0000000..d45f4bf --- /dev/null +++ b/tools/seqstat/default.nix @@ -0,0 +1,24 @@ +{ self, lib, python3, stdenvNoCC, pkgs }: + +stdenvNoCC.mkDerivation rec { + pname = "seqstat"; + src = ./seqstat.py; + version = "0.1.0"; + + buildInputs = [ python3 ]; + + dontUnpack = true; + dontBuild = true; + + installPhase = '' + mkdir -p $out/bin + cp $src $out/bin/${pname} + ''; + + meta = with lib; { + description = "Display an histogram for a given sequence of numbers."; + license = with licenses; [ mit ]; + platforms = platforms.unix; + maintainers = with maintainers; [ fcuny ]; + }; +} diff --git a/tools/seqstat/go.mod b/tools/seqstat/go.mod deleted file mode 100644 index 39f343f..0000000 --- a/tools/seqstat/go.mod +++ /dev/null @@ -1,3 +0,0 @@ -module golang.fcuny.net/seqstat - -go 1.17 diff --git a/tools/seqstat/seqstat.go b/tools/seqstat/seqstat.go deleted file mode 100644 index 8709fa4..0000000 --- a/tools/seqstat/seqstat.go +++ /dev/null @@ -1,63 +0,0 @@ -package main - -import ( - "bufio" - "flag" - "fmt" - "os" - "strconv" - "strings" -) - -var ( - stats = flag.Bool("S", false, "Display statistics about the sequence.") -) - -func main() { - flag.Parse() - - flag.Usage = func() { - fmt.Fprintf(os.Stderr, "usage: [-S] <INPUT>") - flag.PrintDefaults() - } - - elements := argsToElements(flag.Args()) - - if len(elements) < 1 { - scanner := bufio.NewScanner(os.Stdin) - var e []string - for scanner.Scan() { - e = append(e, strings.Split(scanner.Text(), " ")...) - } - elements = argsToElements(e) - } - - seq := newSequence(elements) - - fmt.Println(string(seq.histogram())) - - if *stats { - fmt.Printf("min: %f\n", seq.min) - fmt.Printf("max: %f\n", seq.max) - fmt.Printf("avg: %f\n", seq.avg()) - fmt.Printf("p50: %f\n", seq.p50()) - fmt.Printf("p90: %f\n", seq.p90()) - fmt.Printf("p99: %f\n", seq.p99()) - fmt.Printf("p999: %f\n", seq.p999()) - fmt.Printf("ordered sequence: %v\n", seq.elementsSorted) - } -} - -// converts the input to float64 -func argsToElements(args []string) []float64 { - elements := make([]float64, len(args)) - - for i, input := range args { - num, err := strconv.ParseFloat(input, 64) - if err != nil { - panic(err) - } - elements[i] = num - } - return elements -} diff --git a/tools/seqstat/seqstat.py b/tools/seqstat/seqstat.py new file mode 100755 index 0000000..8450ec8 --- /dev/null +++ b/tools/seqstat/seqstat.py @@ -0,0 +1,26 @@ +#!/usr/bin/env python3 + +import argparse + +ticks = ["▁", "▂", "▃", "▄", "▅", "▆", "▇", "█"] + +parser = argparse.ArgumentParser() +parser.add_argument( + "numbers", metavar="N", type=float, nargs="+", help="a number for the accumulator" +) +args = parser.parse_args() + + +def histogram(sequence): + min_val = min(sequence) + max_val = max(sequence) + + scale = (int(max_val - min_val) << 8) / (len(ticks) - 1) + if scale < 1: + scale = 1 + + return [ticks[int((int(i - min_val) << 8) / scale)] for i in sequence] + + +h = histogram(args.numbers) +print("".join(h)) diff --git a/tools/seqstat/sequence.go b/tools/seqstat/sequence.go deleted file mode 100644 index d4ec91b..0000000 --- a/tools/seqstat/sequence.go +++ /dev/null @@ -1,79 +0,0 @@ -package main - -import ( - "sort" -) - -var ( - ticks = []rune{'\u2581', '\u2582', '\u2583', '\u2584', '\u2585', '\u2586', '\u2587', '\u2588'} -) - -type sequence struct { - elements []float64 - elementsSorted []float64 - min float64 - max float64 - factor int - sum float64 -} - -func (s *sequence) avg() float64 { - return s.sum / float64(len(s.elements)) -} - -func (s *sequence) p50() float64 { - return s.elementsSorted[len(s.elementsSorted)*50/100] -} - -func (s *sequence) p90() float64 { - return s.elementsSorted[len(s.elementsSorted)*90/100] -} - -func (s *sequence) p99() float64 { - return s.elementsSorted[len(s.elementsSorted)*99/100] -} - -func (s *sequence) p999() float64 { - return s.elementsSorted[len(s.elementsSorted)*999/1000] -} -func (s *sequence) histogram() []rune { - histogram := make([]rune, len(s.elements)) - for i, num := range s.elements { - v := (((int(num) - int(s.min)) << 8) / s.factor) - histogram[i] = ticks[v] - } - return histogram -} - -func newSequence(elements []float64) *sequence { - s := new(sequence) - s.elements = elements - - s.min = s.elements[0] - s.max = s.elements[0] - - s.sum = 0 - - for _, element := range s.elements { - if element > s.max { - s.max = element - } - if element < s.min { - s.min = element - } - s.sum += element - } - - s.factor = ((int(s.max) - int(s.min)) << 8) / (len(ticks) - 1) - - if s.factor < 1 { - s.factor = 1 - } - - elementsSorted := make([]float64, len(elements)) - copy(elementsSorted, elements) - sort.Float64s(elementsSorted) - s.elementsSorted = elementsSorted - - return s -} diff --git a/tools/seqstat/sequence_test.go b/tools/seqstat/sequence_test.go deleted file mode 100644 index 1299086..0000000 --- a/tools/seqstat/sequence_test.go +++ /dev/null @@ -1,49 +0,0 @@ -package main - -import ( - "testing" -) - -func TestHistogram(t *testing.T) { - cases := []struct { - in []float64 - histogram []rune - }{ - {[]float64{1, 2}, []rune{'▁', '█'}}, - {[]float64{1, 10, 4}, []rune{'▁', '█', '▃'}}, - {[]float64{1, 5, 22, 13, 53}, []rune{'▁', '▁', '▃', '▂', '█'}}, - } - - for _, c := range cases { - seq := newSequence(c.in) - if string(seq.histogram()) != string(c.histogram) { - t.Errorf("Not matching: got %q, want %q", string(seq.histogram()), string(c.histogram)) - } - } -} - -func TestStats(t *testing.T) { - cases := []struct { - in []float64 - min float64 - max float64 - p999 float64 - }{ - {[]float64{1, 10, 52, 12}, 1, 52, 52}, - } - - for _, c := range cases { - seq := newSequence(c.in) - if seq.min != c.min { - t.Errorf("Not matching: got min %f want %f", seq.min, c.min) - } - if seq.max != c.max { - if seq.max != c.max { - t.Errorf("Not matching: got max %f want %f", seq.max, c.max) - } - if seq.p999() != c.p999 { - t.Errorf("Not matching: got p999 %f want %f", seq.p999(), c.p999) - } - } - } -} |