go,tex: add logic for go-generating tex reports

main.go

@@ -8,6 +8,7 @@ import (
 	"sync"
 
 	"git.dotya.ml/wanderer/math-optim/algo"
+	"git.dotya.ml/wanderer/math-optim/report"
 )
 
 var version = "development"
@@ -27,5 +28,7 @@ func main() {
 
 	wg.Wait()
 
+	report.Print()
+
 	log.Println("looks like we're done")
 }

report/gen.go

@@ -0,0 +1,70 @@
+// Copyright 2022 wanderer <a_mirre at utb dot cz>
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+//go:build ignore
+// +build ignore
+
+package main
+
+import (
+	"log"
+	"os"
+	"text/template"
+	"time"
+)
+
+func main() {
+	columns := []string{
+		"l",
+		"c",
+		"c",
+		"c",
+		"c",
+		"c",
+	}
+	results := []float64{
+		161.032187,
+		125.03484,
+		80321,
+		85.0362432,
+		-4.466,
+		66.0008,
+	}
+	topics := []string{
+		"func name",
+		"minS",
+		"maxS",
+		"meanS",
+		"medianS",
+		"stdDevS",
+	}
+
+	fName := "report.tex"
+	paths := []string{
+		"report.tmpl",
+	}
+	f, err := os.Create(fName)
+
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	defer f.Close()
+
+	reportTemplate := template.Must(template.ParseFiles(paths...))
+
+	err = reportTemplate.Execute(f, struct {
+		Timestamp time.Time
+		Topics    []string
+		Results   []float64
+		Columns   []string
+	}{
+		Timestamp: time.Now(),
+		Topics:    topics,
+		Results:   results,
+		Columns:   columns,
+	})
+	if err != nil {
+		log.Println(err)
+	}
+}

report/report.go

@@ -0,0 +1,30 @@
+// Copyright 2022 wanderer <a_mirre at utb dot cz>
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+package report
+
+//go:generate go run gen.go
+
+import (
+	"fmt"
+	"io"
+	"log"
+	"os"
+)
+
+// Print prints stats in a report format.
+func Print() {
+	fmt.Fprint(os.Stderr, " printing report...")
+
+	fname := "report.tex"
+
+	fh, err := os.Open(fname)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	_, err = io.Copy(os.Stdout, fh)
+	if err != nil {
+		log.Fatal(err)
+	}
+}

report/report.tex

@@ -0,0 +1,19 @@
+% Code generated by go generate; DO NOT EDIT.
+% This file was generated by robots at
+% 2022-06-15 23:30:32.080901953 +0200 CEST m=+0.000320625
+% source: git.dotya.ml/wanderer/math-optim/report/report.tmpl
+
+% This file is a part of the math-optim project.
+% project homepage: https://git.dotya.ml/wanderer/math-optim/
+
+\begin{tabular}{ ||l|c|c|c|c|c|| }
+  func name & minS & maxS & meanS & medianS & stdDevS & \\
+  161.032187 & \\
+  125.034840 & \\
+  80321.000000 & \\
+  85.036243 & \\
+  -4.466000 & \\
+  66.000800 & \\
+\end{tabular}
+
+% vim: ft=gotexttmpl.tex ts=2 bs=2

report/report.tmpl

@@ -0,0 +1,16 @@
+% Code generated by go generate; DO NOT EDIT.
+% This file was generated by robots at
+% {{ .Timestamp }}
+% source: git.dotya.ml/wanderer/math-optim/report/report.tmpl
+
+% This file is a part of the math-optim project.
+% project homepage: https://git.dotya.ml/wanderer/math-optim/
+
+\begin{tabular}{ ||{{- range $i, $v := .Columns }}{{$v}}| {{- end}}| }
+  {{ range $i, $v := .Topics }}{{$v }} & {{ end}}\\
+{{- range .Results }}
+  {{ printf "%f &" . }} \\
+{{- end }}
+\end{tabular}
+
+% vim: ft=gotexttmpl.tex ts=2 bs=2