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Merge pull request #4743 from starlitcanopy/fix-matrix-mul

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Fix 2x2 matrix inverses in specific.odin
This commit is contained in:
gingerBill
2025-01-25 08:35:46 +00:00
committed by GitHub
parent 17f017ed87 5a29e80bc3
commit 6572a52a84
1 changed files with 6 additions and 6 deletions
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12
core/math/linalg/specific.odin
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@@ -1207,8 +1207,8 @@ matrix2_inverse_f16 :: proc "contextless" (m: Matrix2f16) -> (c: Matrix2f16) #no
d := m[0, 0]*m[1, 1] - m[0, 1]*m[1, 0]
id := 1.0/d
c[0, 0] = +m[1, 1] * id
c[0, 1] = -m[1, 0] * id
c[1, 0] = -m[0, 1] * id
c[0, 1] = -m[0, 1] * id
c[1, 0] = -m[1, 0] * id
c[1, 1] = +m[0, 0] * id
return c
}
@@ -1217,8 +1217,8 @@ matrix2_inverse_f32 :: proc "contextless" (m: Matrix2f32) -> (c: Matrix2f32) #no
d := m[0, 0]*m[1, 1] - m[0, 1]*m[1, 0]
id := 1.0/d
c[0, 0] = +m[1, 1] * id
c[0, 1] = -m[1, 0] * id
c[1, 0] = -m[0, 1] * id
c[0, 1] = -m[0, 1] * id
c[1, 0] = -m[1, 0] * id
c[1, 1] = +m[0, 0] * id
return c
}
@@ -1227,8 +1227,8 @@ matrix2_inverse_f64 :: proc "contextless" (m: Matrix2f64) -> (c: Matrix2f64) #no
d := m[0, 0]*m[1, 1] - m[0, 1]*m[1, 0]
id := 1.0/d
c[0, 0] = +m[1, 1] * id
c[0, 1] = -m[1, 0] * id
c[1, 0] = -m[0, 1] * id
c[0, 1] = -m[0, 1] * id
c[1, 0] = -m[1, 0] * id
c[1, 1] = +m[0, 0] * id
return c
}