dyna3/app-proto/examples/three-spheres.rs
2025-07-18 12:16:40 -07:00

34 lines
No EOL
867 B
Rust

#[path = "common/print.rs"]
mod print;
use dyna3::engine::{
realize_gram,
sphere,
ConfigNeighborhood,
ConstraintProblem
};
fn main() {
let mut problem = ConstraintProblem::from_guess({
let a: f64 = 0.75_f64.sqrt();
&[
sphere(1.0, 0.0, 0.0, 1.0),
sphere(-0.5, a, 0.0, 1.0),
sphere(-0.5, -a, 0.0, 1.0)
]
});
for j in 0..3 {
for k in j..3 {
problem.gram.push_sym(j, k, if j == k { 1.0 } else { -1.0 });
}
}
let realization = realize_gram(
&problem, 1.0e-12, 0.5, 0.9, 1.1, 200, 110
);
print::title("Three spheres");
print::realization_diagnostics(&realization);
if let Ok(ConfigNeighborhood{ config, .. }) = realization.result {
print::gram_matrix(&config);
}
print::loss_history(&realization.history);
}