From 2f39c5c86e941b3416260e822635fbc62f824aaf Mon Sep 17 00:00:00 2001
From: Bram Veenboer <bram.veenboer@gmail.com>
Date: Tue, 12 Aug 2025 13:54:13 +0200
Subject: [PATCH] Add trigdx_config.hpp and trigdx.hpp header files

---
 CMakeLists.txt                        |  4 ++++
 benchmarks/benchmark_gpu.cpp          |  2 +-
 benchmarks/benchmark_lookup.cpp       |  2 +-
 benchmarks/benchmark_lookup_avx.cpp   |  2 +-
 benchmarks/benchmark_lookup_xsimd.cpp |  2 +-
 benchmarks/benchmark_mkl.cpp          |  2 +-
 benchmarks/benchmark_reference.cpp    |  2 +-
 cmake/trigdx_config.hpp.in            |  5 +++++
 include/trigdx/trigdx.hpp             | 19 +++++++++++++++++++
 src/CMakeLists.txt                    |  4 ++++
 10 files changed, 38 insertions(+), 6 deletions(-)
 create mode 100644 cmake/trigdx_config.hpp.in
 create mode 100644 include/trigdx/trigdx.hpp

diff --git a/CMakeLists.txt b/CMakeLists.txt
index b9e7f9e..e807f5e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -10,6 +10,10 @@ option(TRIGDX_USE_XSIMD "Enable XSIMD backend" OFF)
 option(TRIGDX_BUILD_TESTS "Build tests" ON)
 option(TRIGDX_BUILD_BENCHMARKS "Build tests" ON)
 
+configure_file(
+  ${CMAKE_CURRENT_SOURCE_DIR}/cmake/trigdx_config.hpp.in
+  ${CMAKE_CURRENT_BINARY_DIR}/include/trigdx/trigdx_config.hpp @ONLY)
+
 if(TRIGDX_BUILD_TESTS OR TRIGDX_BUILD_BENCHMARKS)
   include(FetchContent)
 endif()
diff --git a/benchmarks/benchmark_gpu.cpp b/benchmarks/benchmark_gpu.cpp
index 8595760..2edbcb2 100644
--- a/benchmarks/benchmark_gpu.cpp
+++ b/benchmarks/benchmark_gpu.cpp
@@ -1,4 +1,4 @@
-#include <trigdx/gpu.hpp>
+#include <trigdx/trigdx.hpp>
 
 #include "benchmark_utils.hpp"
 
diff --git a/benchmarks/benchmark_lookup.cpp b/benchmarks/benchmark_lookup.cpp
index 9961655..20b2f1d 100644
--- a/benchmarks/benchmark_lookup.cpp
+++ b/benchmarks/benchmark_lookup.cpp
@@ -1,4 +1,4 @@
-#include <trigdx/lookup.hpp>
+#include <trigdx/trigdx.hpp>
 
 #include "benchmark_utils.hpp"
 
diff --git a/benchmarks/benchmark_lookup_avx.cpp b/benchmarks/benchmark_lookup_avx.cpp
index ef1dcf9..92403a8 100644
--- a/benchmarks/benchmark_lookup_avx.cpp
+++ b/benchmarks/benchmark_lookup_avx.cpp
@@ -1,4 +1,4 @@
-#include <trigdx/lookup_avx.hpp>
+#include <trigdx/trigdx.hpp>
 
 #include "benchmark_utils.hpp"
 
diff --git a/benchmarks/benchmark_lookup_xsimd.cpp b/benchmarks/benchmark_lookup_xsimd.cpp
index bcbbef9..7abb939 100644
--- a/benchmarks/benchmark_lookup_xsimd.cpp
+++ b/benchmarks/benchmark_lookup_xsimd.cpp
@@ -1,4 +1,4 @@
-#include <trigdx/lookup_xsimd.hpp>
+#include <trigdx/trigdx.hpp>
 
 #include "benchmark_utils.hpp"
 
diff --git a/benchmarks/benchmark_mkl.cpp b/benchmarks/benchmark_mkl.cpp
index 955cfac..d7585f4 100644
--- a/benchmarks/benchmark_mkl.cpp
+++ b/benchmarks/benchmark_mkl.cpp
@@ -1,4 +1,4 @@
-#include <trigdx/mkl.hpp>
+#include <trigdx/trigdx.hpp>
 
 #include "benchmark_utils.hpp"
 
diff --git a/benchmarks/benchmark_reference.cpp b/benchmarks/benchmark_reference.cpp
index d303286..9b2c6c9 100644
--- a/benchmarks/benchmark_reference.cpp
+++ b/benchmarks/benchmark_reference.cpp
@@ -1,4 +1,4 @@
-#include <trigdx/reference.hpp>
+#include <trigdx/trigdx.hpp>
 
 #include "benchmark_utils.hpp"
 
diff --git a/cmake/trigdx_config.hpp.in b/cmake/trigdx_config.hpp.in
new file mode 100644
index 0000000..d5cc4d0
--- /dev/null
+++ b/cmake/trigdx_config.hpp.in
@@ -0,0 +1,5 @@
+#pragma once
+
+#define TRIGDX_USE_MKL @TRIGDX_USE_MKL@
+#define TRIGDX_USE_GPU @TRIGDX_USE_GPU@
+#define TRIGDX_USE_XSIMD @TRIGDX_USE_XSIMD@
\ No newline at end of file
diff --git a/include/trigdx/trigdx.hpp b/include/trigdx/trigdx.hpp
new file mode 100644
index 0000000..1352e7f
--- /dev/null
+++ b/include/trigdx/trigdx.hpp
@@ -0,0 +1,19 @@
+#pragma once
+
+#include <trigdx/trigdx_config.hpp>
+
+#include <trigdx/reference.hpp>
+#include <trigdx/lookup.hpp>
+#include <trigdx/lookup_avx.hpp>
+
+#if TRIGDX_USE_MKL
+#include <trigdx/mkl.hpp>
+#endif
+
+#if TRIGDX_USE_GPU
+#include <trigdx/gpu.hpp>
+#endif
+
+#if TRIGDX_USE_XSIMD
+#include <trigdx/lookup_xsimd.hpp>
+#endif
\ No newline at end of file
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index b732fce..933a944 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -33,3 +33,7 @@ if(TRIGDX_USE_XSIMD)
   target_sources(trigdx PRIVATE lookup_xsimd.cpp)
   target_link_libraries(trigdx PRIVATE xsimd)
 endif()
+
+target_include_directories(
+  trigdx INTERFACE $<BUILD_INTERFACE:${CMAKE_BINARY_DIR}/include>
+                   $<BUILD_INTERFACE:${CMAKE_SOURCE_DIR}/include>)