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| author | Nguyễn Gia Phong <mcsinyx@disroot.org> | 2023-03-25 22:14:03 +0900 |
|---|---|---|
| committer | Nguyễn Gia Phong <mcsinyx@disroot.org> | 2023-03-25 22:14:03 +0900 |
| commit | 968d8a86f5a7e08f71bd449a466cc467efb11e3d (patch) | |
| tree | bfd82936edd7439e48412a43892340ea25b5a672 /src/misc.zig | |
| parent | d7f9a74f75ba0ce2167fa0e529a009becdcee7e3 (diff) | |
| download | blackshades-968d8a86f5a7e08f71bd449a466cc467efb11e3d.tar.gz | |
Convert square of norm calculation to Zig
Diffstat (limited to 'src/misc.zig')
| -rw-r--r-- | src/misc.zig | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/misc.zig b/src/misc.zig index 0b1ad54..f2db3d1 100644 --- a/src/misc.zig +++ b/src/misc.zig @@ -387,6 +387,11 @@ fn dot(u: anytype, v: @TypeOf(u)) Child(@TypeOf(u)) { return @reduce(.Add, u * v); } +export fn sqrlen(v: XYZ) f32 { + const u = @bitCast(@Vector(3, f32), v); + return dot(u, u); +} + fn norm(v: anytype) Child(@TypeOf(v)) { return @sqrt(dot(v, v)); } |