From 78a6edf84b9adf88de7114d0d5d7b67c2b9d11ca Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lo=C3=AFc=20GUEZO?= <loicguezo@gmail.com>
Date: Mon, 11 Aug 2025 23:38:45 +0200
Subject: [PATCH] feat: add c++ file and remove mconfig file

---
 CMakeLists.txt       | 20 +++++++++++++-------
 src/main.c           | 36 ------------------------------------
 src/main.cpp         | 13 +++++++++++++
 src/math/mat4.c      | 20 +++++++++++++++++++-
 src/math/mat4.h      | 22 +++++++++++++++++++---
 src/math/mconfig.h   | 32 --------------------------------
 src/math/vec3.c      |  2 --
 src/math/vec3.h      | 32 ++++++++++++++++++++++++++++----
 src/math/vec4.h      | 27 ++++++++++++++++++++++++++-
 tests/tests_config.c |  2 +-
 tests/tests_vec3f.c  |  2 +-
 11 files changed, 120 insertions(+), 88 deletions(-)
 delete mode 100644 src/main.c
 create mode 100644 src/main.cpp
 delete mode 100644 src/math/mconfig.h

diff --git a/CMakeLists.txt b/CMakeLists.txt
index c8f847f..f43428c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,12 +1,20 @@
 cmake_minimum_required(VERSION 3.10)
-project(t3dsr C)
+project(t3dsr C CXX)
 
 set(CMAKE_C_STANDARD 17)
+set(CMAKE_CXX_STANDARD 17)
 
-file(GLOB_RECURSE SOURCES CONFIGURE_DEPENDS src/*.c)
-file(GLOB_RECURSE HEADERS CONFIGURE_DEPENDS src/*.h)
+# ==== sources ====
+file(GLOB_RECURSE C_SOURCES CONFIGURE_DEPENDS src/*.c)
+file(GLOB_RECURSE CPP_SOURCES CONFIGURE_DEPENDS src/*.cpp)
+file(GLOB_RECURSE HEADERS CONFIGURE_DEPENDS src/*.h src/*.hpp)
 
-add_executable(main ${SOURCES} ${HEADERS})
+file(GLOB MAIN_SRC CONFIGURE_DEPENDS src/main.*) 
+
+set(ALL_SOURCES ${C_SOURCES} ${CPP_SOURCES})
+list(REMOVE_ITEM ALL_SOURCES ${MAIN_SRC})
+
+add_executable(main ${MAIN_SRC} ${ALL_SOURCES} ${HEADERS})
 if(NOT MSVC)
     target_link_libraries(main m)
 endif()
@@ -14,13 +22,11 @@ endif()
 
 # ==== tests ====
 enable_testing()
-
 file(GLOB_RECURSE TEST_SOURCES CONFIGURE_DEPENDS tests/*.c)
-list(FILTER SOURCES EXCLUDE REGEX ".*src/main\\.c$")
 
 foreach(test_src ${TEST_SOURCES})
     get_filename_component(test_name ${test_src} NAME_WE)
-    add_executable(${test_name} ${test_src} ${SOURCES})
+    add_executable(${test_name} ${test_src} ${ALL_SOURCES})
     if(NOT MSVC)
         target_link_libraries(${test_name} m)
     endif()
diff --git a/src/main.c b/src/main.c
deleted file mode 100644
index 815c47f..0000000
--- a/src/main.c
+++ /dev/null
@@ -1,36 +0,0 @@
-#include <stdio.h>
-#include "math/mat4.h"
-
-int main(void) 
-{
-    float arr[16] = {
-        1, 2, 3, 4, 
-        5, 6, 7, 8, 
-        9, 10, 11, 12, 
-        13, 14, 15, 16
-    };
-
-    Mat4f_t mat1 =  mat4f_from_array(arr);
-    Mat4f_t* mat_tps = mat4f_tpo_r(&mat1);
-
-    printf("%f %f %f %f\n%f %f %f %f\n%f %f %f %f\n%f %f %f %f\n", 
-        mat1.m[0],
-        mat1.m[1],
-        mat1.m[2],
-        mat1.m[3],
-        mat1.m[4],
-        mat1.m[5],
-        mat1.m[6],
-        mat1.m[7],
-        mat1.m[8],
-        mat1.m[9],
-        mat1.m[10],
-        mat1.m[11],
-        mat1.m[12],
-        mat1.m[13],
-        mat1.m[14],
-        mat1.m[15]
-    
-    );
-    return 0;
-}
diff --git a/src/main.cpp b/src/main.cpp
new file mode 100644
index 0000000..6fe6c07
--- /dev/null
+++ b/src/main.cpp
@@ -0,0 +1,13 @@
+#include <iostream>
+
+extern "C"
+{
+    #include "math/mat4.h"
+    #include "math/vec3.h"
+    #include "math/vec4.h"
+}
+
+int main()
+{
+    return 0;
+}
\ No newline at end of file
diff --git a/src/math/mat4.c b/src/math/mat4.c
index e5e28fc..55c32ce 100644
--- a/src/math/mat4.c
+++ b/src/math/mat4.c
@@ -300,4 +300,22 @@ Mat4f_t mat4f_tpo(const Mat4f_t *restrict m)
     Mat4f_t res = mat4f_clone(m);
     mat4f_tpo_r(&res);
     return res;
-}
\ No newline at end of file
+}
+
+float mat4f_det(const Mat4f_t* m)
+{
+    float det;
+    return det;
+}
+
+Mat4f_t* mat4f_inv_r(Mat4f_t* __restrict m)
+{
+    return m;
+}
+
+Mat4f_t mat4f_inv(const Mat4f_t* m)
+{
+    Mat4f_t mout = mat4f_clone(m);
+    mat4f_inv_r(&mout);
+    return mout;
+}
diff --git a/src/math/mat4.h b/src/math/mat4.h
index 11eace5..21da714 100644
--- a/src/math/mat4.h
+++ b/src/math/mat4.h
@@ -1,7 +1,22 @@
 #ifndef MATRIX4_H
 #define MATRIX4_H
 
-#include "mconfig.h"
+#if defined(__x86_64__) || defined(__amd64__) || defined(_M_X64) 
+    #define SIMD_X86
+    #include <xmmintrin.h>
+
+#elif defined(__aarch64__) || defined(__arm64__) || defined(_M_ARM64)
+    #define SIMD_ARCH
+    #include <arm_neon.h>
+
+#else
+#endif
+
+#ifdef _MSC_VER
+    #define ALIGN16 __declspec(align(16))
+#else
+    #define ALIGN16 __attribute__((aligned(16)))
+#endif
 
 #define MAT_SIZE 16
 #define MAT_DIM 4
@@ -37,8 +52,9 @@ Mat4f_t* mat4f_mul_r(Mat4f_t* out, const Mat4f_t* m2);
 Mat4f_t mat4f_tpo(const Mat4f_t *__restrict m);
 Mat4f_t* mat4f_tpo_r(Mat4f_t *__restrict m);
 
-// float mat4_det(const Mat4_t* m);
+float mat4f_det(const Mat4f_t* m);
 
-// Mat4_t mat4_inv(const Mat4_t* m);
+Mat4f_t mat4f_inv(const Mat4f_t* m);
+Mat4f_t* mat4f_inv_r(Mat4f_t* __restrict m);
 
 #endif // MATRIX4_H
diff --git a/src/math/mconfig.h b/src/math/mconfig.h
deleted file mode 100644
index 153a283..0000000
--- a/src/math/mconfig.h
+++ /dev/null
@@ -1,32 +0,0 @@
-// Common math library
-
-#ifndef MCONFIG_H
-#define MCONFIG_H
-
-#include <stdlib.h>
-#include <string.h>
-#include <math.h>
-#include <float.h>
-
-#if defined(__x86_64__) || defined(__amd64__) || defined(_M_X64) 
-    #define SIMD_X86
-    #define SIMD_ENABLE
-    #include <xmmintrin.h>
-
-#elif defined(__aarch64__) || defined(__arm64__) || defined(_M_ARM64)
-    #define SIMD_ARCH
-    #define SIMD_ENABLE
-    #include <arm_neon.h>
-
-#else
-    #define SIMD_NONE
-#endif
-
-
-#ifdef _MSC_VER
-    #define ALIGN16 __declspec(align(16))
-#else
-    #define ALIGN16 __attribute__((aligned(16)))
-#endif
-
-#endif // MCONFIG_H
diff --git a/src/math/vec3.c b/src/math/vec3.c
index 48ce8b5..f6e2bfd 100644
--- a/src/math/vec3.c
+++ b/src/math/vec3.c
@@ -1,7 +1,5 @@
 #include "vec3.h"
 
-#define VEC_SIZE 4
-
 Vec3f_t vec3f(float x, float y, float z)
 {
     Vec3f_t vec = {.x = x, .y = y, .z = z};
diff --git a/src/math/vec3.h b/src/math/vec3.h
index be57591..d578a02 100644
--- a/src/math/vec3.h
+++ b/src/math/vec3.h
@@ -8,11 +8,33 @@
 #ifndef vec3_h
 #define vec3_h
 
-#include "mconfig.h"
+#include <math.h>
+#include <float.h>
 
-typedef union
-{
-    struct {float x, y, z; };
+#if defined(__x86_64__) || defined(__amd64__) || defined(_M_X64) 
+    #define SIMD_X86
+    #define SIMD_ENABLE
+    #include <xmmintrin.h>
+
+#elif defined(__aarch64__) || defined(__arm64__) || defined(_M_ARM64)
+    #define SIMD_ARCH
+    #define SIMD_ENABLE
+    #include <arm_neon.h>
+
+#else
+    #define SIMD_NONE
+#endif
+
+#ifdef _MSC_VER
+    #define ALIGN16 __declspec(align(16))
+#else
+    #define ALIGN16 __attribute__((aligned(16)))
+#endif
+
+#define VEC_SIZE 3
+
+typedef union {
+    struct { float x, y, z; };
     float data[4];
 } ALIGN16 Vec3f_t;
 
@@ -58,4 +80,6 @@ Vec3f_t vec3f_refl(Vec3f_t v, Vec3f_t normal);
 
 float vec3f_dist(Vec3f_t a, Vec3f_t b);
 
+#undef VEC_SIZE
+
 #endif /* vec3_h */
diff --git a/src/math/vec4.h b/src/math/vec4.h
index 3e415ca..68cc89f 100644
--- a/src/math/vec4.h
+++ b/src/math/vec4.h
@@ -1,10 +1,33 @@
 #ifndef VECTOR4_H
 #define VECTOR4_H
 
-#include "mconfig.h"
+#include <math.h>
+#include <float.h>
+
+#if defined(__x86_64__) || defined(__amd64__) || defined(_M_X64) 
+    #define SIMD_X86
+    #define SIMD_ENABLE
+    #include <xmmintrin.h>
+
+#elif defined(__aarch64__) || defined(__arm64__) || defined(_M_ARM64)
+    #define SIMD_ARCH
+    #define SIMD_ENABLE
+    #include <arm_neon.h>
+
+#else
+    #define SIMD_NONE
+#endif
+
+#ifdef _MSC_VER
+    #define ALIGN16 __declspec(align(16))
+#else
+    #define ALIGN16 __attribute__((aligned(16)))
+#endif
 
 #define VEC_SIZE 4
 
+
+
 // must be aligned by 16 Bytes (less instruction executed for SSE)
 typedef union
 {
@@ -54,4 +77,6 @@ Vec4f_t vec4f_refl(Vec4f_t v, Vec4f_t normal);
 
 float vec4f_dist(Vec4f_t a, Vec4f_t b);
 
+#undef VEC_SIZE
+
 #endif // VECTOR4_H
diff --git a/tests/tests_config.c b/tests/tests_config.c
index ab10c51..2f9ab8c 100644
--- a/tests/tests_config.c
+++ b/tests/tests_config.c
@@ -1,4 +1,4 @@
-#include "../src/math/mconfig.h"
+#include "../src/math/mat4.h"
 #include <stdio.h>
 
 void config() {
diff --git a/tests/tests_vec3f.c b/tests/tests_vec3f.c
index 10c444c..1ef9a54 100644
--- a/tests/tests_vec3f.c
+++ b/tests/tests_vec3f.c
@@ -7,7 +7,7 @@
 
 #include <assert.h>
 #include <stdio.h>
-#include "../src/math/mconfig.h"
+
 #include "../src/math/vec3.h"
 #include "../src/math/vec4.h"