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Add a strictly-zero series to the spectrum history

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This commit is contained in:
Aaron Fenyes 2025-06-25 18:58:06 -07:00
parent e877985202
commit 68d6cc1645
1 changed files with 32 additions and 6 deletions
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38
app-proto/src/diagnostics.rs
View file

@ -119,11 +119,10 @@ fn SpectrumHistory() -> View {
on_mount(move || {
create_effect(move || {
// get the spectrum of the Hessian at each step, split into its
// positive and negative parts. exact zero eigenvalues will be
// filtered out by `into_log10_time_point` later
// positive, negative, and strictly-zero parts
let (
hess_eigvals_pos,
hess_eigvals_neg
hess_eigvals_zero,
hess_eigvals_nonzero
): (Vec<_>, Vec<_>) = state.assembly.descent_history.with(
|history| history.hess_eigvals
.iter()
@ -134,8 +133,20 @@ fn SpectrumHistory() -> View {
)
)
.flatten()
.partition(|&(_, val)| val > 0.0)
.partition(|&(_, val)| val == 0.0)
);
let zero_level = hess_eigvals_nonzero
.iter()
.map(|(_, val)| val.abs())
.reduce(f64::min)
.map(|val| 0.1 * val)
.unwrap_or(1.0);
let (
hess_eigvals_pos,
hess_eigvals_neg
): (Vec<_>, Vec<_>) = hess_eigvals_nonzero
.into_iter()
.partition(|&(_, val)| val > 0.0);
// initialize the chart axes
let step_axis = Axis::new()
@ -172,6 +183,20 @@ fn SpectrumHistory() -> View {
vec![vec![Some(0.0), None::<f64>]]
}
);
let eigval_series_zero = Scatter::new()
.symbol(Symbol::Triangle)
.symbol_size(5.0)
.data(
if hess_eigvals_zero.len() > 0 {
hess_eigvals_zero
.into_iter()
.map(|(step, _)| (step, zero_level))
.map(into_log10_time_point)
.collect()
} else {
vec![vec![Some(0.0), None::<f64>]]
}
);
let chart = Chart::new()
.animation(false)
.data_zoom(DataZoom::new().y_axis_index(0).right(40))
@ -179,7 +204,8 @@ fn SpectrumHistory() -> View {
.y_axis(eigval_axis)
.grid(Grid::new().top(20).right(80).bottom(30).left(60))
.series(eigval_series_pos)
.series(eigval_series_neg);
.series(eigval_series_neg)
.series(eigval_series_zero);
renderer.render(CONTAINER_ID, &chart).unwrap();
});
});