RotationTensorTest.C File Reference

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Functions
	TEST (RotationTensorTest, rotation)

Function Documentation

TEST()

TEST	(	RotationTensorTest	,
		rotation
	)

Definition at line 15 of file RotationTensorTest.C.

{
  std::vector<Real> input(81);
  for (size_t i = 0; i < input.size(); ++i)
    input[i] = i + 1.1;

  RankFourTensor a(input, RankFourTensor::general);

  RotationTensor xrot(RotationTensor::XAXIS, 90);
  RotationTensor yrot(RotationTensor::YAXIS, 90);

  auto xyrot = xrot * yrot;
  auto yxrot = yrot * xrot;

  auto axy1 = a;
  axy1.rotate(xrot);
  axy1.rotate(yrot);

  auto axy2 = a;
  axy2.rotate(yxrot);

  EXPECT_NEAR(0, (axy1 - axy2).L2norm(), 1E-8);
}