tpl/cast: Improve float

Make it support the new upstream rational number type in Exif.

See #12718

go.mod

@@ -63,7 +63,7 @@ require (
 	github.com/rogpeppe/go-internal v1.12.0
 	github.com/sanity-io/litter v1.5.5
 	github.com/spf13/afero v1.11.0
-	github.com/spf13/cast v1.6.0
+	github.com/spf13/cast v1.7.0
 	github.com/spf13/cobra v1.8.1
 	github.com/spf13/fsync v0.10.1
 	github.com/spf13/pflag v1.0.5

go.sum

@@ -431,6 +431,8 @@ github.com/spf13/afero v1.11.0 h1:WJQKhtpdm3v2IzqG8VMqrr6Rf3UYpEF239Jy9wNepM8=
 github.com/spf13/afero v1.11.0/go.mod h1:GH9Y3pIexgf1MTIWtNGyogA5MwRIDXGUr+hbWNoBjkY=
 github.com/spf13/cast v1.6.0 h1:GEiTHELF+vaR5dhz3VqZfFSzZjYbgeKDpBxQVS4GYJ0=
 github.com/spf13/cast v1.6.0/go.mod h1:ancEpBxwJDODSW/UG4rDrAqiKolqNNh2DX3mk86cAdo=
+github.com/spf13/cast v1.7.0 h1:ntdiHjuueXFgm5nzDRdOS4yfT43P5Fnud6DH50rz/7w=
+github.com/spf13/cast v1.7.0/go.mod h1:ancEpBxwJDODSW/UG4rDrAqiKolqNNh2DX3mk86cAdo=
 github.com/spf13/cobra v1.8.1 h1:e5/vxKd/rZsfSJMUX1agtjeTDf+qv1/JdBF8gg5k9ZM=
 github.com/spf13/cobra v1.8.1/go.mod h1:wHxEcudfqmLYa8iTfL+OuZPbBZkmvliBWKIezN3kD9Y=
 github.com/spf13/fsync v0.10.1 h1:JRnB7G72b+gIBaBcpn5ibJSd7ww1iEahXSX2B8G6dSE=

tpl/cast/cast_test.go

@@ -17,7 +17,9 @@ import (
 	"html/template"
 	"testing"
 
+	"github.com/bep/imagemeta"
 	qt "github.com/frankban/quicktest"
+	"github.com/gohugoio/hugo/htesting/hqt"
 )
 
 func TestToInt(t *testing.T) {
@@ -85,6 +87,7 @@ func TestToFloat(t *testing.T) {
 	t.Parallel()
 	c := qt.New(t)
 	ns := New()
+	oneThird, _ := imagemeta.NewRat[uint32](1, 3)
 
 	for i, test := range []struct {
 		v      any
@@ -101,6 +104,7 @@ func TestToFloat(t *testing.T) {
 		{"0", 0.0},
 		{float64(2.12), 2.12},
 		{int64(123), 123.0},
+		{oneThird, 0.3333333333333333},
 		{2, 2.0},
 		{t, false},
 	} {
@@ -114,6 +118,6 @@ func TestToFloat(t *testing.T) {
 		}
 
 		c.Assert(err, qt.IsNil, errMsg)
-		c.Assert(result, qt.Equals, test.expect, errMsg)
+		c.Assert(result, hqt.IsSameFloat64, test.expect, errMsg)
 	}
 }