Merge pull request #1753 from anatriaslabella/Open-source-contribution

Added sin, cos, and tan operations to fixed point implementation

Author: heinezen

copying.md

@@ -162,6 +162,7 @@ _the openage authors_ are:
 | Michael Lynch               | mtlynch                     | git à mtlynch dawt io                             |
 | Ngô Xuân Minh               |                             | xminh dawt ngo dawt 00 à gmail dawt com           |
 | Haytham Tang                | haytham918                  | yunxuant à umich dawt edu                         |
+| Ana Trias-Labellarte        | anatriaslabella             | ana dawt triaslabella à ufl dawt edu              |
 
 If you're a first-time committer, add yourself to the above list. This is not
 just for legal reasons, but also to keep an overview of all those nicknames.

libopenage/util/fixed_point.h

@@ -1,4 +1,4 @@
-// Copyright 2015-2024 the openage authors. See copying.md for legal info.
+// Copyright 2015-2025 the openage authors. See copying.md for legal info.
 
 #pragma once
 
@@ -451,6 +451,18 @@ class FixedPoint {
 	constexpr double atan2(const FixedPoint &n) {
 		return std::atan2(this->to_double(), n.to_double());
 	}
+
+	constexpr double sin() {
+		return std::sin(this->to_double());
+	}
+
+	constexpr double cos() {
+		return std::cos(this->to_double());
+	}
+
+	constexpr double tan() {
+		return std::tan(this->to_double());
+	}
 };
 
 
@@ -567,6 +579,21 @@ constexpr double atan2(openage::util::FixedPoint<I, F> x, openage::util::FixedPo
 	return x.atan2(y);
 }
 
+template <typename I, unsigned F>
+constexpr double sin(openage::util::FixedPoint<I, F> n) {
+	return n.sin();
+}
+
+template <typename I, unsigned F>
+constexpr double cos(openage::util::FixedPoint<I, F> n) {
+	return n.cos();
+}
+
+template <typename I, unsigned F>
+constexpr double tan(openage::util::FixedPoint<I, F> n) {
+	return n.tan();
+}
+
 template <typename I, unsigned F>
 constexpr openage::util::FixedPoint<I, F> min(openage::util::FixedPoint<I, F> x, openage::util::FixedPoint<I, F> y) {
 	return openage::util::FixedPoint<I, F>::from_raw_value(