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add float rounder to 15th

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This commit is contained in:
Zhiger Kalymov 2023-02-16 16:27:16 +06:00
parent 6b08f978b6
commit 40d338db34
1 changed files with 8 additions and 1 deletions
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9
hsva_test.go
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@ -3,6 +3,7 @@ package captcha
import (
"fmt"
"image/color"
"math"
"testing"
)
@ -55,7 +56,7 @@ func TestConversionRGB(t *testing.T) {
t.Fatal(err)
}
var blue1 color.Color = hsva{h: 240.0 / 360.0, s: 0.75, v: 0.8, a: uint8(255)}
var blue1 color.Color = hsva{h: fl(240.0 / 360.0), s: 0.75, v: 0.8, a: uint8(255)}
var blue2 color.Color = color.RGBA{R: uint8(51), G: uint8(51), B: uint8(204), A: uint8(255)}
if err := eq(blue1, blue2); err != nil {
@ -79,3 +80,9 @@ func eq(c0, c1 color.Color) error {
}
return nil
}
func fl(n float64) float64 {
out := math.Pow10(15)
rnd := int(n*out + math.Copysign(0.5, n*out))
return float64(rnd) / out
}