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authorMarc Glisse <marc.glisse@inria.fr>2019-04-11 22:58:00 +0200
committerMarc Glisse <marc.glisse@inria.fr>2019-04-11 22:58:00 +0200
commit9ceaa84d52d939a117d78b49fd19c8900387dadc (patch)
treea7cf119bc408ca7ff6321e14a8176cf80a4f28e7 /src/Rips_complex
parent79c5d2acf5a9af5b11dac611fe7b81de75e53b89 (diff)
comments
Diffstat (limited to 'src/Rips_complex')
-rw-r--r--src/Rips_complex/include/gudhi/Sparse_rips_complex.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/src/Rips_complex/include/gudhi/Sparse_rips_complex.h b/src/Rips_complex/include/gudhi/Sparse_rips_complex.h
index 11d0b4c4..015c94d9 100644
--- a/src/Rips_complex/include/gudhi/Sparse_rips_complex.h
+++ b/src/Rips_complex/include/gudhi/Sparse_rips_complex.h
@@ -118,6 +118,7 @@ class Sparse_rips_complex {
}
const int n = boost::size(params);
std::vector<Filtration_value> lambda(n);
+ // lambda[original_order]=params[sorted_order]
for(int i=0;i<n;++i)
lambda[sorted_points[i]] = params[i];
double cst = epsilon_ * (1 - epsilon_);
@@ -125,7 +126,7 @@ class Sparse_rips_complex {
auto filt = complex.filtration(sh);
auto mini = filt * cst;
for(auto v : complex.simplex_vertex_range(sh)){
- if(lambda[v] < mini) // FIXME: store lambda/params somewhere!!!
+ if(lambda[v] < mini)
return true; // v died before this simplex could be born
}
return false;
@@ -188,7 +189,9 @@ class Sparse_rips_complex {
Graph graph_;
double epsilon_;
// Because of the arbitrary split between constructor and create_complex
+ // sorted_points[sorted_order]=original_order
std::vector<Vertex_handle> sorted_points;
+ // params[sorted_order]=distance to previous points
std::vector<Filtration_value> params;
};