Functions for getting/setting particular matrix column.

src/Math/Matrix.h

@@ -80,11 +80,21 @@ template<class T, size_t size> class Matrix {
             return _data[col*size+row];
         }
 
+        /** @brief Matrix column */
+        inline Vector<T, size> at(size_t col) const {
+            return _data+col*size;
+        }
+
         /** @brief Set value at given position */
         inline void set(size_t row, size_t col, T value) {
             _data[col*size+row] = value;
         }
 
+        /** @brief Set matrix column */
+        inline void set(size_t col, const Vector<T, size>& value) {
+            memcpy(_data+col*size, value.data(), size*sizeof(T));
+        }
+
         /** @brief Add value to given position */
         inline void add(size_t row, size_t col, T value) {
             _data[col*size+row] += value;

src/Math/Test/MatrixTest.cpp

@@ -25,6 +25,7 @@ namespace Magnum { namespace Math { namespace Test {
 
 typedef Matrix<float, 4> Matrix4;
 typedef Matrix<float, 3> Matrix3;
+typedef Vector<float, 4> Vector4;
 
 void MatrixTest::constructIdentity() {
     Matrix4 identity;
@@ -55,18 +56,22 @@ void MatrixTest::constructZero() {
 void MatrixTest::data() {
     Matrix4 m(false);
 
+    float vector[] = { 4.0f, 5.0f, 6.0f, 7.0f };
+
+    m.set(3, vector);
     m.set(1, 2, 1.0f);
 
     m.set(2, 1, 1.0f);
     m.add(2, 1, 0.5f);
 
     QVERIFY(m.at(1, 2) == 1.0f);
+    QVERIFY(m.at(3) == vector);
 
     float expected[] = {
         0.0f, 0.0f, 0.0f, 0.0f,
         0.0f, 0.0f, 1.5f, 0.0f,
         0.0f, 1.0f, 0.0f, 0.0f,
-        0.0f, 0.0f, 0.0f, 0.0f
+        4.0f, 5.0f, 6.0f, 7.0f
     };
 
     QVERIFY(m == Matrix4(expected));