chore: update stats script to find .h instead of .hpp and refresh README

The calculate-stats.sh script was still searching for *.hpp files after
the extension migration, resulting in 0 header files being reported.
Updated to search for *.h and regenerated README statistics.

Author: kcenon

README.md

@@ -482,18 +482,18 @@ cmake --build build --target run_full_benchmarks
 |--------|-------|
 | **Header Files** | 282 files |
 | **Source Files** | 204 files |
-| **Header LOC** | ~83,600 lines |
-| **Source LOC** | ~115,000 lines |
+| **Header LOC** | ~76,800 lines |
+| **Source LOC** | ~110,100 lines |
 | **Example LOC** | ~35,600 lines |
 | **Test LOC** | ~85,300 lines |
-| **Total LOC** | ~319,500 lines |
+| **Total LOC** | ~307,800 lines |
 | **Test Files** | 180 files |
 | **Test Cases** | 2584+ tests |
 | **Example Programs** | 32 apps |
 | **Documentation** | 72 markdown files |
-| **CI/CD Workflows** | 13 workflows |
+| **CI/CD Workflows** | 14 workflows |
 | **Version** | 0.1.0 |
-| **Last Updated** | 2026-03-26 |
+| **Last Updated** | 2026-04-03 |
 
 <!-- STATS_END -->
 

scripts/calculate-stats.sh

@@ -36,7 +36,7 @@ calculate_stats() {
     local doc_files
     local workflow_files
 
-    header_files=$(find include -name '*.hpp' -type f 2>/dev/null | wc -l | tr -d ' ')
+    header_files=$(find include -name '*.h' -type f 2>/dev/null | wc -l | tr -d ' ')
     source_files=$(find src -name '*.cpp' -type f 2>/dev/null | wc -l | tr -d ' ')
     test_files=$(find tests -name '*.cpp' -type f 2>/dev/null | wc -l | tr -d ' ')
     example_dirs=$(find examples -mindepth 1 -maxdepth 1 -type d 2>/dev/null | wc -l | tr -d ' ')
@@ -50,7 +50,7 @@ calculate_stats() {
     local example_loc
     local total_loc
 
-    header_loc=$(find include -name '*.hpp' -type f -exec cat {} + 2>/dev/null | wc -l | tr -d ' ')
+    header_loc=$(find include -name '*.h' -type f -exec cat {} + 2>/dev/null | wc -l | tr -d ' ')
     source_loc=$(find src -name '*.cpp' -type f -exec cat {} + 2>/dev/null | wc -l | tr -d ' ')
     test_loc=$(find tests -name '*.cpp' -type f -exec cat {} + 2>/dev/null | wc -l | tr -d ' ')
     example_loc=$(find examples -name '*.cpp' -type f -exec cat {} + 2>/dev/null | wc -l | tr -d ' ')
@@ -133,13 +133,13 @@ export_raw_stats() {
     local header_files source_files test_files example_dirs doc_files workflow_files
     local header_loc source_loc test_loc example_loc total_loc test_cases
 
-    header_files=$(find include -name '*.hpp' -type f 2>/dev/null | wc -l | tr -d ' ')
+    header_files=$(find include -name '*.h' -type f 2>/dev/null | wc -l | tr -d ' ')
     source_files=$(find src -name '*.cpp' -type f 2>/dev/null | wc -l | tr -d ' ')
     test_files=$(find tests -name '*.cpp' -type f 2>/dev/null | wc -l | tr -d ' ')
     example_dirs=$(find examples -mindepth 1 -maxdepth 1 -type d 2>/dev/null | wc -l | tr -d ' ')
     doc_files=$(find docs -name '*.md' -type f 2>/dev/null | wc -l | tr -d ' ')
     workflow_files=$(find .github/workflows -name '*.yml' -type f 2>/dev/null | wc -l | tr -d ' ')
-    header_loc=$(find include -name '*.hpp' -type f -exec cat {} + 2>/dev/null | wc -l | tr -d ' ')
+    header_loc=$(find include -name '*.h' -type f -exec cat {} + 2>/dev/null | wc -l | tr -d ' ')
     source_loc=$(find src -name '*.cpp' -type f -exec cat {} + 2>/dev/null | wc -l | tr -d ' ')
     test_loc=$(find tests -name '*.cpp' -type f -exec cat {} + 2>/dev/null | wc -l | tr -d ' ')
     example_loc=$(find examples -name '*.cpp' -type f -exec cat {} + 2>/dev/null | wc -l | tr -d ' ')