Math: added Range::contains().

src/Magnum/Math/Range.h

@@ -186,6 +186,11 @@ template<UnsignedInt dimensions, class T> class Range {
          */
         Range<dimensions, T> scaled(const VectorType& scaling) const;
 
+        /** @brief Whether given point is contained inside the range */
+        constexpr bool contains(const VectorType& a) const {
+            return (a >= _min).all() && (a < _max).all();
+        }
+
     private:
         VectorType _min, _max;
 };

src/Magnum/Math/Test/RangeTest.cpp

@@ -123,6 +123,7 @@ struct RangeTest: Corrade::TestSuite::Tester {
     void padded();
     void scaled();
 
+    void contains();
     void join();
 
     void subclassTypes();
@@ -159,6 +160,7 @@ RangeTest::RangeTest() {
               &RangeTest::padded,
               &RangeTest::scaled,
 
+              &RangeTest::contains,
               &RangeTest::join,
 
               &RangeTest::subclassTypes,
@@ -450,6 +452,14 @@ void RangeTest::scaled() {
     CORRADE_COMPARE(a.scaled({2, -3}), b);
 }
 
+void RangeTest::contains() {
+    Range2Di a({34, 23}, {47, 30});
+
+    CORRADE_VERIFY(a.contains({40, 23}));
+    CORRADE_VERIFY(!a.contains({33, 23}));
+    CORRADE_VERIFY(!a.contains({40, 30}));
+}
+
 void RangeTest::join() {
     Range2Di a{{12, 20}, {15, 35}};
     Range2Di b{{10, 25}, {17, 105}};