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-rw-r--r--src/Persistence_representations/include/gudhi/Persistence_heat_maps_exact.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/Persistence_representations/include/gudhi/Persistence_heat_maps_exact.h b/src/Persistence_representations/include/gudhi/Persistence_heat_maps_exact.h
index 25f8cb47..7c5b2fdc 100644
--- a/src/Persistence_representations/include/gudhi/Persistence_heat_maps_exact.h
+++ b/src/Persistence_representations/include/gudhi/Persistence_heat_maps_exact.h
@@ -92,7 +92,7 @@ class Persistence_heat_maps_exact {
*/
std::vector<std::vector<double> > vectorize() const {
std::vector<std::vector<double> > im; for(int i = 0; i < res_y; i++) im.emplace_back();
- double step_x = (max_x - min_x)/res_x; double step_y = (max_y - min_y)/res_y;
+ double step_x = (max_x - min_x)/(res_x - 1); double step_y = (max_y - min_y)/(res_y - 1);
int num_pts = diagram.size();