C++代码编程学习：以template进行编程-习题6.1（Essential C++ 第六章）

identity: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 identity after set: 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 m: memberwise initialized: 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 m2: 8x12: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 m2 after memberwise assigned to m: 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 m3: assigned random values: 1.3 0.4 2.6 8.2 6.2 1.7 1.3 8.3 4.2 7.4 2.7 1.9 6.3 8.1 5.6 6.6 result of m3*identity: 1.3 0.4 2.6 8.2 6.2 1.7 1.3 8.3 4.2 7.4 2.7 1.9 6.3 8.1 5.6 6.6 result of m3 + m4: 2.6 0.8 5.2 16.4 12.4 3.4 2.6 16.6 8.4 14.8 5.4 3.8 12.6 16.2 11.2 13.2 m3: plus with m4: 2.6 0.8 5.2 16.4 12.4 3.4 2.6 16.6 8.4 14.8 5.4 3.8 12.6 16.2 11.2 13.2