doc: Add LaTeX images to Mat3

.github/workflows/gh-pages.yml

@@ -8,7 +8,7 @@ jobs:
       image: registry.fedoraproject.org/fedora-minimal:40
     steps:
       - name: Install dependencies
-        run: microdnf install -y git graphviz doxygen cmake make tar xz rsync
+        run: microdnf install -y git graphviz doxygen cmake make tar xz rsync texlive-latex texlive-newunicodechar texlive-dvips pdf2svg
       - uses: actions/checkout@v4
         with:
           persist-credentials: false

.gitlab-ci.yml

@@ -86,7 +86,7 @@ pages:
   dependencies:
   - web
   script:
-  - microdnf install -y doxygen cmake make tar xz git >/dev/null
+  - microdnf install -y doxygen cmake make tar xz git texlive-latex texlive-newunicodechar texlive-dvips pdf2svg >/dev/null
   - cd doc
   - cmake .
   - make

src/jngl/Mat3.hpp

@@ -18,9 +18,22 @@ class Vec2;
 class Mat3 {
 public:
 	/// creates identity matrix
+	///
+	/// \f[
+	/// \left( \begin{array}{rrr}
+	/// 1 & 0 & 0 \\ 0 & 1 & 0 \\ 0 & 0 & 1
+	/// \end{array}\right)
+	/// \f]
 	Mat3() = default;
 
-	/// construct matrix from row-major array with 9 elements
+	/// construct matrix from **row**-major array with 9 elements
+	///
+	/// `jngl::Mat3({ 1, 2, 3, 4, 5, 6, 7, 8, 9 })` is equivalent to:
+	/// \f[
+	/// \left( \begin{array}{rrr}
+	/// 1 & 2 & 3 \\ 4 & 5 & 6 \\ 7 & 8 & 9
+	/// \end{array}\right)
+	/// \f]
 	Mat3(std::initializer_list<float>);
 
 	/// Multiplies the matrix with a translation matrix generated from v