Organic Maps sources as of 02.04.2025 (fad26bbf22ac3da75e01e62aa01e5c8e11861005)

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base/base_tests/matrix_test.cpp

@@ -0,0 +1,29 @@
+#include "testing/testing.hpp"
+
+#include "base/matrix.hpp"
+
+
+UNIT_TEST(Matrix_Inverse_Simple)
+{
+  math::Matrix<double, 3, 3> m;
+
+  m = math::Identity<double, 3>();
+
+  m(2, 0) = 2;
+
+  math::Matrix<double, 3, 3> m1 = math::Inverse(m);
+
+  TEST_EQUAL((m1 * m).Equal(math::Identity<double, 3>()), true, ());
+}
+
+UNIT_TEST(Matrix_Inverse_AllElementsNonZero)
+{
+  math::Matrix<double, 3, 3> m;
+  m(0, 0) = 5; m(0, 1) = 3; m(0, 2) = 6;
+  m(1, 0) = 1; m(1, 1) = 7; m(1, 2) = 9;
+  m(2, 0) = 2; m(2, 1) = 13; m(2, 2) = 4;
+
+  math::Matrix<double, 3, 3> m1 = math::Inverse(m);
+
+  TEST_EQUAL((m1 * m).Equal(math::Identity<double, 3>()), true, ());
+}