Update matrix test, add square matrix trace and fix comments

1 files changed, 26 insertions, 1 deletions

diff --git a/test/matrix_example.cpp b/test/matrix_example.cpp
index 26aeede..469cbff 100644
--- a/test/matrix_example.cpp
+++ b/test/matrix_example.cpp
@@ -12,18 +12,43 @@ int main(int argc, char *argv[]) {
     std::cout << "a = \n" << a;
     std::cout << "b = \n" << b;
     std::cout << "c = \n" << c;
+    std::cout << std::endl;
 
     // access elements
+    std::cout << "Access elements" << std::endl;
     std::cout << "a.at(2,0) = " << a.at(2, 0) << std::endl;
     std::cout << "a[2][0]   = " << a[2][0] << std::endl;;
+    std::cout << std::endl;
     
     // basic operations
+    std::cout << "Basic operations" << std::endl;
     std::cout << "a + b = \n" << a + b;
     std::cout << "a - b = \n" << a - b;
     std::cout << "a * c = \n" << a * c;
     std::cout << "a * 2 = \n" << a * 2;
     std::cout << "2 * a = \n" << 2 * a;
-    std::cout << "tr(a) = \n" << a.trd();
+    std::cout << "a.td() = \n" << a.td(); // or a.trasposed();
+    std::cout << std::endl;
+
+    // special matrices
+    mm::square_matrix<std::complex<int>, 2> f {{{2, 3}, {1, 4}}, {{6, 1}, {-3, 4}}};
+
+    std::cout << "Square matrix" << std::endl;
+    std::cout << "f = \n" << f;
+
+    std::cout << "tr(f) = " << f.tr() /* or f.trace() */ << std::endl;
+
+    f.t();
+    std::cout << "after in place transpose f.t(), f = \n" << f; 
+    std::cout << std::endl;
+
+
+    auto identity = mm::square_matrix<int, 3>::identity();
+
+    std::cout << "Identity matrix" << std::endl;
+    std::cout << "I = \n" << identity;
+    std::cout << std::endl;
+
 
 	return 0;
 }