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| author | Hendiadyoin1 <leon2002.la@gmail.com> | 2022-02-03 12:48:17 +0100 |
|---|---|---|
| committer | Andreas Kling <kling@serenityos.org> | 2022-03-15 11:39:42 +0100 |
| commit | cd21e0322510bdd95c5d53075f80c49efcb2f24d (patch) | |
| tree | c735ef5b046067f3da5fd961b6b74600451b4b5b /Userland/Libraries/LibGfx/Matrix4x4.h | |
| parent | 47fe911196b5551f5b4a829a1a310ca66cf12e99 (diff) | |
| download | serenity-cd21e0322510bdd95c5d53075f80c49efcb2f24d.zip | |
AK+Everywhere: Add sincos and use it in some places
Calculating sin and cos at once is quite a bit cheaper than calculating
them individually.
x87 has even a dedicated instruction for it: `fsincos`.
Diffstat (limited to 'Userland/Libraries/LibGfx/Matrix4x4.h')
| -rw-r--r-- | Userland/Libraries/LibGfx/Matrix4x4.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/Userland/Libraries/LibGfx/Matrix4x4.h b/Userland/Libraries/LibGfx/Matrix4x4.h index 4637f4e816..4e0c6dda8c 100644 --- a/Userland/Libraries/LibGfx/Matrix4x4.h +++ b/Userland/Libraries/LibGfx/Matrix4x4.h @@ -70,8 +70,8 @@ constexpr static Matrix4x4<T> scale_matrix(const Vector3<T>& s) template<typename T> constexpr static Matrix4x4<T> rotation_matrix(const Vector3<T>& axis, T angle) { - T c = AK::cos(angle); - T s = AK::sin(angle); + T c, s; + AK::sincos(angle, s, c); T t = 1 - c; T x = axis.x(); T y = axis.y(); |