Restructure codebase

src/CMakeLists.txt

@@ -16,5 +16,29 @@
 # with this library.  If not, see
 # <https://www.gnu.org/licenses/>.
 
-add_subdirectory(libnchg)
+include(FetchContent)
+
+set(HICTK_ENABLE_TESTING OFF)
+set(HICTK_BUILD_EXAMPLES OFF)
+set(HICTK_BUILD_BENCHMARKS OFF)
+set(HICTK_WITH_EIGEN OFF)
+set(HICTK_BUILD_TOOLS OFF)
+set(HICTK_INSTALL OFF)
+set(HICTK_ENABLE_GIT_VERSION_TRACKING OFF)
+
+FetchContent_Declare(
+  hictk
+  GIT_REPOSITORY https://github.com/paulsengroup/hictk.git
+  GIT_TAG v2.0.1
+  EXCLUDE_FROM_ALL
+  OVERRIDE_FIND_PACKAGE
+  SYSTEM
+)
+
+add_subdirectory(common)
+add_subdirectory(descriptive_stats)
+add_subdirectory(hypothesis_testing)
+add_subdirectory(io)
+add_subdirectory(preproc)
+
 add_subdirectory(nchg)

src/common/CMakeLists.txt

@@ -0,0 +1,47 @@
+# Copyright (C) 2024 Roberto Rossini <[email protected]>
+#
+# SPDX-License-Identifier: GPL-3.0
+#
+# This library is free software: you can redistribute it and/or
+# modify it under the terms of the GNU Public License as published
+# by the Free Software Foundation; either version 3 of the License,
+# or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Library General Public License for more details.
+#
+# You should have received a copy of the GNU Public License along
+# with this library.  If not, see
+# <https://www.gnu.org/licenses/>.
+
+find_package(hictk REQUIRED)
+
+add_library(nchg_common INTERFACE)
+add_library(nchg::common ALIAS nchg_common)
+
+target_sources(
+  nchg_common
+  INTERFACE
+    "${CMAKE_CURRENT_SOURCE_DIR}/include/nchg/common.hpp"
+    "${CMAKE_CURRENT_SOURCE_DIR}/include/nchg/concepts.hpp"
+    "${CMAKE_CURRENT_SOURCE_DIR}/include/nchg/hash.hpp"
+    "${CMAKE_CURRENT_SOURCE_DIR}/include/nchg/suppress_warnings.hpp"
+    "${CMAKE_CURRENT_SOURCE_DIR}/include/nchg/type_traits.hpp"
+)
+
+target_include_directories(
+  nchg_common
+  INTERFACE
+    "$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>"
+    "$<INSTALL_INTERFACE:include>"
+)
+
+target_link_libraries(
+  nchg_common
+  INTERFACE
+    nchg_project_options
+    nchg_project_warnings
+    hictk::libhictk
+)