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fix determinant

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Quaternions 2023-11-06 15:58:06 -08:00
parent 82d84ee07c
commit 823a16e08d
1 changed files with 2 additions and 2 deletions
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4
src/integer.rs
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@ -878,14 +878,14 @@ impl Planar64Mat3{
}
#[inline]
pub const fn inverse(&self)->Self{
let det=
let det=(
-self.x_axis.0.z as i128*self.y_axis.0.y as i128*self.z_axis.0.x as i128
+self.x_axis.0.y as i128*self.y_axis.0.z as i128*self.z_axis.0.x as i128
+self.x_axis.0.z as i128*self.y_axis.0.x as i128*self.z_axis.0.y as i128
-self.x_axis.0.x as i128*self.y_axis.0.z as i128*self.z_axis.0.y as i128
-self.x_axis.0.y as i128*self.y_axis.0.x as i128*self.z_axis.0.z as i128
+self.x_axis.0.x as i128*self.y_axis.0.y as i128*self.z_axis.0.z as i128
;
)>>32;
Self{
x_axis:Planar64Vec3::raw((((-(self.y_axis.0.z as i128*self.z_axis.0.y as i128)+self.y_axis.0.y as i128*self.z_axis.0.z as i128)<<32)/det) as i64,(((self.x_axis.0.z as i128*self.z_axis.0.y as i128-self.x_axis.0.y as i128*self.z_axis.0.z as i128)<<32)/det) as i64,(((-(self.x_axis.0.z as i128*self.y_axis.0.y as i128)+self.x_axis.0.y as i128*self.y_axis.0.z as i128)<<32)/det) as i64),
y_axis:Planar64Vec3::raw((((self.y_axis.0.z as i128*self.z_axis.0.x as i128-self.y_axis.0.x as i128*self.z_axis.0.z as i128)<<32)/det) as i64,(((-(self.x_axis.0.z as i128*self.z_axis.0.x as i128)+self.x_axis.0.x as i128*self.z_axis.0.z as i128)<<32)/det) as i64,(((self.x_axis.0.z as i128*self.y_axis.0.x as i128-self.x_axis.0.x as i128*self.y_axis.0.z as i128)<<32)/det) as i64),