Fix round result for positive zero (#87)

HashimTheArab · web-flow · commit 45f44e1fbc36 · 2022-05-15T16:41:25.000+01:00
diff --git a/mgl32/util.go b/mgl32/util.go
@@ -137,7 +137,7 @@ func SetMax(a, b *float32) {
 func Round(v float32, precision int) float32 {
 	p := float64(precision)
 	t := float64(v) * math.Pow(10, p)
-	if t > 0 {
+	if t >= 0 {
 		return float32(math.Floor(t+0.5) / math.Pow(10, p))
 	}
 	return float32(math.Ceil(t-0.5) / math.Pow(10, p))
diff --git a/mgl64/util.go b/mgl64/util.go
@@ -139,7 +139,7 @@ func SetMax(a, b *float64) {
 func Round(v float64, precision int) float64 {
 	p := float64(precision)
 	t := float64(v) * math.Pow(10, p)
-	if t > 0 {
+	if t >= 0 {
 		return float64(math.Floor(t+0.5) / math.Pow(10, p))
 	}
 	return float64(math.Ceil(t-0.5) / math.Pow(10, p))

Original file line number	Diff line number	Diff line change
`@@ -137,7 +137,7 @@ func SetMax(a, b *float32) {`
`137`	`137`	`func Round(v float32, precision int) float32 {`
`138`	`138`	`p := float64(precision)`
`139`	`139`	`t := float64(v) * math.Pow(10, p)`
`140`		`- if t > 0 {`
	`140`	`+ if t >= 0 {`
`141`	`141`	`return float32(math.Floor(t+0.5) / math.Pow(10, p))`
`142`	`142`	`}`
`143`	`143`	`return float32(math.Ceil(t-0.5) / math.Pow(10, p))`
Original file line number	Diff line number	Diff line change
`@@ -139,7 +139,7 @@ func SetMax(a, b *float64) {`
`139`	`139`	`func Round(v float64, precision int) float64 {`
`140`	`140`	`p := float64(precision)`
`141`	`141`	`t := float64(v) * math.Pow(10, p)`
`142`		`- if t > 0 {`
	`142`	`+ if t >= 0 {`
`143`	`143`	`return float64(math.Floor(t+0.5) / math.Pow(10, p))`
`144`	`144`	`}`
`145`	`145`	`return float64(math.Ceil(t-0.5) / math.Pow(10, p))`