Add base input for type N tensor unit test

Author: GiudGiud

tests/numerics/type_N_tensor_test.C

@@ -0,0 +1,80 @@
+// libmesh includes
+#include <libmesh/tensor_value.h>
+#include <libmesh/vector_value.h>
+#include <libmesh/point.h>
+
+#include "libmesh_cppunit.h"
+
+using namespace libMesh;
+
+class TypeNTensorTest : public CppUnit::TestCase
+{
+public:
+  void setUp() {}
+
+  void tearDown() {}
+
+  LIBMESH_CPPUNIT_TEST_SUITE(TypeNTensorTest);
+
+  CPPUNIT_TEST(testOperatorsScalar);
+  CPPUNIT_TEST(testOperatorsTensor);
+  CPPUNIT_TEST(testCastVector);
+  CPPUNIT_TEST(testZero);
+  CPPUNIT_TEST(testSlice);
+
+  CPPUNIT_TEST_SUITE_END();
+
+private:
+  void testOperatorsScalar()
+  {
+    LOG_UNIT_TEST;
+
+    // Add a number
+
+    // Subtract a number
+
+    // Multiply by a number
+
+    // Divide by a number
+
+    // TensorValue<Real> tensor(1, 2, 0, 3, 4, 0);
+    // VectorValue<Real> vector(5, 6, 0);
+    // auto left_mult = vector * tensor;
+    // auto right_mult = tensor * vector;
+    // LIBMESH_ASSERT_FP_EQUAL(23, left_mult(0), 1e-12);
+    // LIBMESH_ASSERT_FP_EQUAL(34, left_mult(1), 1e-12);
+    // LIBMESH_ASSERT_FP_EQUAL(17, right_mult(0), 1e-12);
+    // LIBMESH_ASSERT_FP_EQUAL(39, right_mult(1), 1e-12);
+  }
+
+  void testOperatorsTensor()
+  {
+    // Add a tensor
+
+    // Return sum of two tensors
+
+    // Subtract a tensor
+
+    // Return subtraction of one tensor by another
+
+    // Add a scaled tensor
+
+  }
+
+  void ttestCastVector()
+  {
+
+  }
+
+  void testZero()
+  {
+
+  }
+
+  void testSlice()
+  {
+
+  }
+};
+
+CPPUNIT_TEST_SUITE_REGISTRATION(TypeNTensorTest);