C++ (Cpp) RowVectorXd::size Examples

Example #1

File: sub_row_test.cpp Project: aseyboldt/math

TEST(MathMatrixSubRow,SubRow6) {
  using stan::math::sub_row;
  Eigen::MatrixXd m(3,4);
  for (int i = 0; i < 3; ++i)
    for (int j = 0; j < 4; ++j)
      m(i,j) = (i + 1) * (j + 1);
  Eigen::RowVectorXd v = sub_row(m,1,2,2);
  EXPECT_EQ(2,v.size());
  for (int i = 0; i < 2; ++i)
    EXPECT_FLOAT_EQ(m(0,1+i), v(i));
}