From 5ab15e263a63a07baf0dc168169966b3ca878562 Mon Sep 17 00:00:00 2001
From: lisyarus <lisyarus@gmail.com>
Date: Sun, 29 Nov 2020 12:26:22 +0300
Subject: [PATCH] Add geom::solve for solving simple linear equations

---
 libs/geom/include/psemek/geom/gauss.hpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/libs/geom/include/psemek/geom/gauss.hpp b/libs/geom/include/psemek/geom/gauss.hpp
index 479d5de2..417cdced 100644
--- a/libs/geom/include/psemek/geom/gauss.hpp
+++ b/libs/geom/include/psemek/geom/gauss.hpp
@@ -197,6 +197,14 @@ namespace psemek::geom
 		return true;
 	}
 
+	template <typename T, std::size_t N>
+	std::optional<vector<T, N>> solve(matrix<T, N, N> const & m, vector<T, N> v)
+	{
+		if (!gauss(m, v))
+			return std::nullopt;
+		return v;
+	}
+
 	template <typename T, std::size_t N>
 	std::optional<matrix<T, N, N>> inverse(matrix<T, N, N> m)
 	{