Remove plot library

README.md

@@ -5,9 +5,9 @@
 [![tests](https://github.com/itsubaki/neu/workflows/tests/badge.svg?branch=main)](https://github.com/itsubaki/neu/actions)
 [![codecov](https://codecov.io/gh/itsubaki/neu/branch/main/graph/badge.svg?token=KMJ2GUC1FJ)](https://codecov.io/gh/itsubaki/neu)
 
-- Deep Learning framework for Go from scratch.
-- pure Go implementation.
-- using only the `plot` library for testing.
+- Deep Learning framework for Go from scratch
+- pure Go implementation
+- using only the standard library
 
 ## MNIST
 

activation/relu_test.go

@@ -4,7 +4,6 @@ import (
 	"fmt"
 
 	"github.com/itsubaki/neu/activation"
-	"github.com/itsubaki/neu/plot"
 )
 
 func ExampleReLU() {
@@ -22,19 +21,3 @@ func ExampleReLU() {
 	// 1
 
 }
-
-func ExampleReLU_plot() {
-	x := plot.Range(-6, 6, 0.1)
-	y := make([]float64, 0)
-
-	for _, xi := range x {
-		y = append(y, activation.ReLU(xi))
-	}
-
-	if err := plot.Save(x, y, "ExampleReLU.png"); err != nil {
-		panic(err)
-	}
-
-	// Output:
-
-}

activation/sigmoid_test.go

@@ -4,7 +4,6 @@ import (
 	"fmt"
 
 	"github.com/itsubaki/neu/activation"
-	"github.com/itsubaki/neu/plot"
 )
 
 func ExampleSigmoid() {
@@ -18,19 +17,3 @@ func ExampleSigmoid() {
 	// 1
 
 }
-
-func ExampleSigmoid_plot() {
-	x := plot.Range(-6, 6, 0.1)
-	y := make([]float64, 0)
-
-	for _, xi := range x {
-		y = append(y, activation.Sigmoid(xi))
-	}
-
-	if err := plot.Save(x, y, "ExampleSigmoid.png"); err != nil {
-		panic(err)
-	}
-
-	// Output:
-
-}

activation/step_test.go

@@ -4,7 +4,6 @@ import (
 	"fmt"
 
 	"github.com/itsubaki/neu/activation"
-	"github.com/itsubaki/neu/plot"
 )
 
 func ExampleStep() {
@@ -22,19 +21,3 @@ func ExampleStep() {
 	// 1
 
 }
-
-func ExampleStep_plot() {
-	x := plot.Range(-6, 6, 0.1)
-	y := make([]float64, 0)
-
-	for _, xi := range x {
-		y = append(y, activation.Step(xi))
-	}
-
-	if err := plot.Save(x, y, "ExampleStep.png"); err != nil {
-		panic(err)
-	}
-
-	// Output:
-
-}

activation/tanh_test.go

@@ -4,7 +4,6 @@ import (
 	"fmt"
 
 	"github.com/itsubaki/neu/activation"
-	"github.com/itsubaki/neu/plot"
 )
 
 func ExampleTanh() {
@@ -18,19 +17,3 @@ func ExampleTanh() {
 	// 1
 
 }
-
-func ExampleTanh_step() {
-	x := plot.Range(-6, 6, 0.1)
-	y := make([]float64, 0)
-
-	for _, xi := range x {
-		y = append(y, activation.Tanh(xi))
-	}
-
-	if err := plot.Save(x, y, "ExampleTanh.png"); err != nil {
-		panic(err)
-	}
-
-	// Output:
-
-}

go.mod

@@ -1,16 +1,3 @@
 module github.com/itsubaki/neu
 
 go 1.21
-
-require gonum.org/v1/plot v0.12.0
-
-require (
-	git.sr.ht/~sbinet/gg v0.3.1 // indirect
-	github.com/ajstarks/svgo v0.0.0-20211024235047-1546f124cd8b // indirect
-	github.com/go-fonts/liberation v0.2.0 // indirect
-	github.com/go-latex/latex v0.0.0-20210823091927-c0d11ff05a81 // indirect
-	github.com/go-pdf/fpdf v0.6.0 // indirect
-	github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0 // indirect
-	golang.org/x/image v0.5.0 // indirect
-	golang.org/x/text v0.7.0 // indirect
-)