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Fix the conductivity error (was calculating the wrong timestep)

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Also, use f64 and force them to be real.
This commit is contained in:
Colin
2020-07-31 18:46:19 -07:00
parent 5388658b00
commit 5e4699b3e6
4 changed files with 52 additions and 35 deletions
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6
src/render.rs
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@@ -29,8 +29,8 @@ fn clamp(v: f32, range: f32) -> f32 {
v.min(range).max(-range)
}
fn norm_color(v: f32) -> u8 {
(v * 64.0 + 128.0).max(0f32).min(255f32) as u8
fn norm_color(v: f64) -> u8 {
(v * 64.0 + 128.0).max(0.0).min(255.0) as u8
}
fn curl(x: f32, y: f32) -> f32 {
@@ -55,7 +55,7 @@ impl ColorTermRenderer {
//let g = norm_color(cell.ex());
//let b = norm_color(cell.ey());
//let g = norm_color(curl(cell.ex(), cell.ey()));
let g = norm_color((cell.bz() * 3.0e8) as _);
let g = norm_color((cell.bz() * 3.0e8).into());
write!(&mut buf, "{}", RGB(r, g, b).paint(square));
}
write!(&mut buf, "\n");