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Fix 2x2 matrix inverses in specific.odin

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prescientmoon
2025-01-23 05:56:27 +01:00
parent 867af80bff
commit 5a29e80bc3
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
}