Merge pull request #17 from defaultgnome/refactor/remove-unnecessary-splat-in-normalize

hazeycode · web-flow · commit dafbb72d7123 · 2025-06-24T22:29:25.000+01:00
remove splat in normalize functions
diff --git a/src/root.zig b/src/root.zig
@@ -2021,13 +2021,13 @@ test "zmath.length3" {
 }
 
 pub inline fn normalize2(v: Vec) Vec {
-    return v * splat(F32x4, 1.0) / sqrt(dot2(v, v));
+    return v / sqrt(dot2(v, v));
 }
 pub inline fn normalize3(v: Vec) Vec {
-    return v * splat(F32x4, 1.0) / sqrt(dot3(v, v));
+    return v / sqrt(dot3(v, v));
 }
 pub inline fn normalize4(v: Vec) Vec {
-    return v * splat(F32x4, 1.0) / sqrt(dot4(v, v));
+    return v / sqrt(dot4(v, v));
 }
 test "zmath.normalize3" {
     {

Original file line number	Diff line number	Diff line change
`@@ -2021,13 +2021,13 @@ test "zmath.length3" {`
`2021`	`2021`	`}`
`2022`	`2022`
`2023`	`2023`	`pub inline fn normalize2(v: Vec) Vec {`
`2024`		`- return v * splat(F32x4, 1.0) / sqrt(dot2(v, v));`
	`2024`	`+ return v / sqrt(dot2(v, v));`
`2025`	`2025`	`}`
`2026`	`2026`	`pub inline fn normalize3(v: Vec) Vec {`
`2027`		`- return v * splat(F32x4, 1.0) / sqrt(dot3(v, v));`
	`2027`	`+ return v / sqrt(dot3(v, v));`
`2028`	`2028`	`}`
`2029`	`2029`	`pub inline fn normalize4(v: Vec) Vec {`
`2030`		`- return v * splat(F32x4, 1.0) / sqrt(dot4(v, v));`
	`2030`	`+ return v / sqrt(dot4(v, v));`
`2031`	`2031`	`}`
`2032`	`2032`	`test "zmath.normalize3" {`
`2033`	`2033`	`{`