From 1d104907c7118ea681eebe035376c0f0f263b609 Mon Sep 17 00:00:00 2001
From: Pierre Marchand <pierre.jimthefrench@gmail.com>
Date: Wed, 17 Jun 2026 15:22:15 +0200
Subject: [PATCH] fix number_of_generated_coefficient computation and missing
 include

---
 CHANGELOG.md                             | 1 +
 include/htool/hmatrix/hmatrix_output.hpp | 6 +-----
 include/htool/matrix/utils/output.hpp    | 1 +
 3 files changed, 3 insertions(+), 5 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index d1482a32..dda07481 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -39,6 +39,7 @@ All notable changes to this project will be documented in this file.
 
 - Fix uninitialized values in `Partitioning_N`.
 - Fix bug in task-based HLU, PR#81 thanks to @ABoisneault.
+- Fix `number_of_generated_coefficient` computation.
 
 ## [1.0.2] - 2026-02-14
 
diff --git a/include/htool/hmatrix/hmatrix_output.hpp b/include/htool/hmatrix/hmatrix_output.hpp
index c74707d5..e8c69789 100644
--- a/include/htool/hmatrix/hmatrix_output.hpp
+++ b/include/htool/hmatrix/hmatrix_output.hpp
@@ -171,11 +171,7 @@ std::map<std::string, std::string> get_hmatrix_information(const HMatrix<Coeffic
         maxinfos[0]          = std::max(maxinfos[0], local_size);
         mininfos[0]          = std::min(mininfos[0], local_size);
         meaninfos[0] += local_size;
-        if (dense_block->get_symmetry() != 'N') {
-            number_of_generated_coefficient += (local_number_of_rows * (local_number_of_cols + 1)) / 2.;
-        } else {
-            number_of_generated_coefficient += (local_number_of_rows * local_number_of_cols);
-        }
+        number_of_generated_coefficient += (local_number_of_rows * local_number_of_cols);
     }
 
     meaninfos[0] = (dense_blocks.size() == 0 ? 0 : meaninfos[0] / dense_blocks.size());
diff --git a/include/htool/matrix/utils/output.hpp b/include/htool/matrix/utils/output.hpp
index fddedbe4..6bfc0808 100644
--- a/include/htool/matrix/utils/output.hpp
+++ b/include/htool/matrix/utils/output.hpp
@@ -2,6 +2,7 @@
 #define HTOOL_MATRIX_UTILS_OUTPUT_HPP
 
 #include "../../misc/logger.hpp"
+#include "../matrix.hpp"
 #include "modifiers.hpp"
 #include <iostream>
 #include <string>