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There isn’t that much precision in f32...

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numzero 2024-11-07 00:39:42 +03:00
parent cc39a249b7
commit 64d53cf72b
1 changed files with 1 additions and 1 deletions
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src/riemann.rs
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@ -15,7 +15,7 @@ pub trait Metric {
} }
fn part_derivs_at(&self, pos: Vec3) -> Tens3 { fn part_derivs_at(&self, pos: Vec3) -> Tens3 {
part_deriv(|p| self.at(p), pos, 1.0 / 1024.0) // division by such eps is exact which is good for overall precision part_deriv(|p| self.at(p), pos, 1.0 / 64.0) // there just isn’t enough precision for a small ε.
} }
fn vec_length_at(&self, at: Vec3, v: Vec3) -> f32 { fn vec_length_at(&self, at: Vec3, v: Vec3) -> f32 {