From 3a22c74ce57a37bd04463fe6b2dc0af3427bd928 Mon Sep 17 00:00:00 2001
From: lisyarus <lisyarus@gmail.com>
Date: Fri, 5 Jun 2026 23:00:28 +0300
Subject: [PATCH] Add std::format support for matrices

---
 libs/math/include/psemek/math/matrix.hpp | 27 ++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/libs/math/include/psemek/math/matrix.hpp b/libs/math/include/psemek/math/matrix.hpp
index 49bee094..46e6006d 100644
--- a/libs/math/include/psemek/math/matrix.hpp
+++ b/libs/math/include/psemek/math/matrix.hpp
@@ -547,3 +547,30 @@ namespace psemek::math
 	}
 
 }
+
+namespace std
+{
+
+	template <typename T, std::size_t R, std::size_t C, typename Char>
+	struct formatter<::psemek::math::matrix<T, R, C>, Char>
+		: formatter<T>
+	{
+		using formatter<T>::parse;
+
+		template <typename FormatContext>
+		auto format(::psemek::math::matrix<T, R, C> const & m, FormatContext & ctx) const
+		{
+			for (std::size_t i = 0; i < m.rows(); ++i)
+			{
+				for (std::size_t j = 0; j < m.columns(); ++j)
+				{
+					ctx.advance_to(formatter<T>::format(m[i][j], ctx));
+					ctx.advance_to(std::format_to(ctx.out(), " "));
+				}
+				ctx.advance_to(std::format_to(ctx.out(), "\n"));
+			}
+			return ctx.out();
+		}
+	};
+
+}