Skip to content
GitLab
Explore
Sign in
Primary navigation
Search or go to…
Project
C
cours
Manage
Activity
Members
Labels
Plan
Issues
Issue boards
Milestones
Wiki
Code
Merge requests
Repository
Branches
Commits
Tags
Repository graph
Compare revisions
Snippets
Build
Pipelines
Jobs
Pipeline schedules
Artifacts
Deploy
Releases
Package registry
Model registry
Operate
Environments
Terraform modules
Monitor
Incidents
Analyze
Value stream analytics
Contributor analytics
CI/CD analytics
Repository analytics
Model experiments
Help
Help
Support
GitLab documentation
Compare GitLab plans
Community forum
Contribute to GitLab
Provide feedback
Keyboard shortcuts
?
Snippets
Groups
Projects
Show more breadcrumbs
algorithmique
cours
Merge requests
!10
Pk
Code
Review changes
Check out branch
Download
Patches
Plain diff
Merged
Pk
pk
into
master
Overview
1
Commits
8
Pipelines
2
Changes
1
Merged
pierre.kunzli
requested to merge
pk
into
master
3 years ago
Overview
1
Commits
8
Pipelines
2
Changes
1
Expand
0
0
Merge request reports
Viewing commit
8d4fc02a
Prev
Next
Show latest version
1 file
+
8
−
20
Inline
Compare changes
Side-by-side
Inline
Show whitespace changes
Show one file at a time
8d4fc02a
Merge branch 'master' into pk
· 8d4fc02a
Pierre Kunzli
authored
3 years ago
slides/cours_21.md
+
8
−
20
Options
@@ -813,26 +813,14 @@ Pour calculer la force sur un corps `c`, on parcourt l'arbre en commençant par
```
C
rien maj_force_sur_etoile(arbre, e, theta)
si est_vide(arbre)
ou !existe(e)
si est_vide(arbre)
retourne
if (!n || !p) {
return;
}
// if the node is a leaf and contains a particle which and the particle is not
// in the bounding box of the node (this means that we are at a particle on
// a different leaf).
if (node_is_leaf(n) && !node_is_empty(n) && !is_inside(n->b, p->pos)) {
update_acceleration(p, n->p);
}
// else if the node is far enough of the particle
else if (node_is_far_enough(n, p, theta)) {
update_acceleration(p, n->super_p);
}
else { // else just update the acceleration recurively
for (int i = 0; i < 4; ++i) {
update_acceleration_from_node_on_particle(n->children[i], p, theta);
}
}
}
si est_feuille(arbre) && contient_etoile(n) && dans_le_quadrant(arbre.q, e.x)
maj_force(e, arbre.e)
sinon si noed_assez_loin(arbre, e, theta)
maj_force(e, arbre.sup_etoile)
sinon
pour enfant dans enfants
maj_force_sur_etoile(enfant, e, theta)
```
Loading