From a9fd3a8c17a90890243ac48a5b9ad9afc82db8a2 Mon Sep 17 00:00:00 2001
From: Andrew Belt <andrewpbelt@gmail.com>
Date: Sun, 6 May 2018 08:21:32 -0400
Subject: [PATCH] Add Vec::flip()

---
 include/dsp/frame.hpp | 2 --
 include/engine.hpp    | 3 ++-
 include/util/math.hpp | 8 ++++++--
 3 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/include/dsp/frame.hpp b/include/dsp/frame.hpp
index 82c8d1be..91ee7510 100644
--- a/include/dsp/frame.hpp
+++ b/include/dsp/frame.hpp
@@ -9,8 +9,6 @@ namespace rack {
 template <size_t CHANNELS>
 struct Frame {
 	float samples[CHANNELS];
-
-	Frame() {}
 };
 
 } // namespace rack
diff --git a/include/engine.hpp b/include/engine.hpp
index 096272af..36c4c813 100644
--- a/include/engine.hpp
+++ b/include/engine.hpp
@@ -67,7 +67,8 @@ struct Module {
 	/** Advances the module by 1 audio frame with duration 1.0 / gSampleRate */
 	virtual void step() {}
 
-	/** Called when the engine sample rate is changed */
+	/** Called when the engine sample rate is changed
+	*/
 	virtual void onSampleRateChange() {}
 	/** Called when module is created by the Add Module popup, cloning, or when loading a patch or autosave */
 	virtual void onCreate() {}
diff --git a/include/util/math.hpp b/include/util/math.hpp
index aaa98a5d..8312541e 100644
--- a/include/util/math.hpp
+++ b/include/util/math.hpp
@@ -143,9 +143,10 @@ inline void cmult(float *cr, float *ci, float ar, float ai, float br, float bi)
 struct Rect;
 
 struct Vec {
-	float x, y;
+	float x = 0.f;
+	float y = 0.f;
 
-	Vec() : x(0.0f), y(0.0f) {}
+	Vec() {}
 	Vec(float x, float y) : x(x), y(y) {}
 
 	Vec neg() {
@@ -175,6 +176,9 @@ struct Vec {
 	float norm() {
 		return hypotf(x, y);
 	}
+	Vec flip() {
+		return Vec(y, x);
+	}
 	Vec min(Vec b) {
 		return Vec(rack::min(x, b.x), rack::min(y, b.y));
 	}