Fix rounding when converting to fixed precision

fogleman · fogleman · commit 8febc0f526ad · 2021-09-28T10:35:35.000-04:00
diff --git a/util.go b/util.go
@@ -109,7 +109,7 @@ func fixp(x, y float64) fixed.Point26_6 {
 }
 
 func fix(x float64) fixed.Int26_6 {
-	return fixed.Int26_6(x * 64)
+	return fixed.Int26_6(math.Round(x * 64))
 }
 
 func unfix(x fixed.Int26_6) float64 {

Original file line number	Diff line number	Diff line change
`@@ -109,7 +109,7 @@ func fixp(x, y float64) fixed.Point26_6 {`
`109`	`109`	`}`
`110`	`110`
`111`	`111`	`func fix(x float64) fixed.Int26_6 {`
`112`		`- return fixed.Int26_6(x * 64)`
	`112`	`+ return fixed.Int26_6(math.Round(x * 64))`
`113`	`113`	`}`
`114`	`114`
`115`	`115`	`func unfix(x fixed.Int26_6) float64 {`