From 88fabb1ef661c66b594ea7bb24b665c50e748945 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20Vondru=C5=A1?= <mosra@centrum.cz>
Date: Sat, 22 Feb 2020 18:35:12 +0100
Subject: [PATCH] Math: reduce header dependencies a bit.

---
 src/Magnum/Animation/Test/InterpolationTest.cpp |  1 +
 src/Magnum/Math/Half.h                          | 13 ++++++++++++-
 src/Magnum/Math/Test/HalfTest.cpp               |  1 +
 3 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/src/Magnum/Animation/Test/InterpolationTest.cpp b/src/Magnum/Animation/Test/InterpolationTest.cpp
index b727a074d..f6e99527d 100644
--- a/src/Magnum/Animation/Test/InterpolationTest.cpp
+++ b/src/Magnum/Animation/Test/InterpolationTest.cpp
@@ -33,6 +33,7 @@
 #include "Magnum/Math/CubicHermite.h"
 #include "Magnum/Math/DualQuaternion.h"
 #include "Magnum/Math/Half.h"
+#include "Magnum/Math/Packing.h"
 
 namespace Magnum { namespace Animation { namespace Test { namespace {
 
diff --git a/src/Magnum/Math/Half.h b/src/Magnum/Math/Half.h
index e12be91bc..b131a4270 100644
--- a/src/Magnum/Math/Half.h
+++ b/src/Magnum/Math/Half.h
@@ -29,10 +29,21 @@
  * @brief Class @ref Magnum::Math::Half, literal @link Magnum::Math::Literals::operator""_h() @endlink
  */
 
-#include "Magnum/Math/Packing.h"
+#include <utility>
+#include <Corrade/Utility/Utility.h>
+
+#include "Magnum/visibility.h"
+#include "Magnum/Math/Math.h"
+#include "Magnum/Math/Tags.h"
 
 namespace Magnum { namespace Math {
 
+#ifndef DOXYGEN_GENERATING_OUTPUT
+/* So we don't need to drag in the whole Packing.h */
+MAGNUM_EXPORT UnsignedShort packHalf(Float value);
+MAGNUM_EXPORT Float unpackHalf(UnsignedShort value);
+#endif
+
 /**
 @brief Half-precision float literal
 
diff --git a/src/Magnum/Math/Test/HalfTest.cpp b/src/Magnum/Math/Test/HalfTest.cpp
index a19550862..3ba7a62df 100644
--- a/src/Magnum/Math/Test/HalfTest.cpp
+++ b/src/Magnum/Math/Test/HalfTest.cpp
@@ -33,6 +33,7 @@
 #endif
 
 #include "Magnum/Math/Half.h"
+#include "Magnum/Math/Packing.h"
 #include "Magnum/Math/Vector3.h"
 #include "Magnum/Math/StrictWeakOrdering.h"