diff --git a/CMakeLists.txt b/CMakeLists.txt
index ddae753..b6cd827 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -70,6 +70,7 @@ add_executable(${PROJECT_NAME}
 	src/worldsizenotifiable.cpp
 	src/worlditems.cpp
 	src/moveable.cpp
+	src/fsgn.cpp
 )
 
 target_include_directories(${PROJECT_NAME} SYSTEM
diff --git a/src/fsgn.cpp b/src/fsgn.cpp
new file mode 100644
index 0000000..fb16340
--- /dev/null
+++ b/src/fsgn.cpp
@@ -0,0 +1,47 @@
+/*
+	Copyright 2016, 2017 Michele "King_DuckZ" Santullo
+
+	This file is part of MyCurry.
+
+	MyCurry is free software: you can redistribute it and/or modify
+	it under the terms of the GNU General Public License as published by
+	the Free Software Foundation, either version 3 of the License, or
+	(at your option) any later version.
+
+	MyCurry is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+	GNU General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with MyCurry.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "fsgn.hpp"
+#include <cstdint>
+
+namespace curry {
+	//float fsgn (float parIn) {
+	//	if (parIn < 0.0f) return -1.0f;
+	//	if (parIn > 0.0f) return 1.0f;
+	//	return 0.0f;
+	//}
+
+	float fsgn (float parIn) {
+		static_assert(sizeof(uint32_t) == sizeof(float), "Unexpected float size");
+		union {
+			uint32_t i;
+			float f;
+		} in, r;
+
+		in.f = parIn;
+		if ((in.i & 0x7FFFFFFF) == 0) {
+			return 0.0f;
+		}
+		else {
+			r.f = 1.0f;
+			r.i |= in.i & 0x80000000;
+			return r.f;
+		}
+	}
+} //namespace curry
diff --git a/src/fsgn.hpp b/src/fsgn.hpp
new file mode 100644
index 0000000..28f3f76
--- /dev/null
+++ b/src/fsgn.hpp
@@ -0,0 +1,24 @@
+/*
+	Copyright 2016, 2017 Michele "King_DuckZ" Santullo
+
+	This file is part of MyCurry.
+
+	MyCurry is free software: you can redistribute it and/or modify
+	it under the terms of the GNU General Public License as published by
+	the Free Software Foundation, either version 3 of the License, or
+	(at your option) any later version.
+
+	MyCurry is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+	GNU General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with MyCurry.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#pragma once
+
+namespace curry {
+	float fsgn (float parIn);
+} //namespace curry