diff options
Diffstat (limited to 'src/Gudhi_stat/test/vector_representation_test.cpp')
| -rw-r--r-- | src/Gudhi_stat/test/vector_representation_test.cpp | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/src/Gudhi_stat/test/vector_representation_test.cpp b/src/Gudhi_stat/test/vector_representation_test.cpp index 2131ed29..40409205 100644 --- a/src/Gudhi_stat/test/vector_representation_test.cpp +++ b/src/Gudhi_stat/test/vector_representation_test.cpp @@ -352,3 +352,54 @@ BOOST_AUTO_TEST_CASE(check_compute_average) } + +BOOST_AUTO_TEST_CASE(check_arythmetic_operations) +{ + //compute average + std::vector< std::pair<double,double> > i1(3); + i1[0] = std::pair<double,double>( 1,2 ); + i1[1] = std::pair<double,double>( 3,8 ); + i1[2] = std::pair<double,double>( 1,6 ); + + std::vector< std::pair<double,double> > i2(3); + i2[0] = std::pair<double,double>( 2,9 ); + i2[1] = std::pair<double,double>( 2,15); + i2[2] = std::pair<double,double>( 6,17 ); + + Vector_distances_in_diagram< Euclidean_distance<double> > A( i1 , -1 ); + Vector_distances_in_diagram< Euclidean_distance<double> > B( i1 , -1 ); + + Vector_distances_in_diagram< Euclidean_distance<double> > sum = A+B; + Vector_distances_in_diagram< Euclidean_distance<double> > difference = A-B; + + BOOST_CHECK( almost_equal( sum.vector_in_position(0) , 7.07107) ); + BOOST_CHECK( almost_equal( sum.vector_in_position(1) , 7.07107) ); + BOOST_CHECK( almost_equal( sum.vector_in_position(2) , 5.65685) ); + BOOST_CHECK( almost_equal( sum.vector_in_position(3) , 1.41421) ); + BOOST_CHECK( almost_equal( sum.vector_in_position(4) , 1.41421) ); + BOOST_CHECK( almost_equal( sum.vector_in_position(5) , 1.41421) ); + + BOOST_CHECK( almost_equal( difference.vector_in_position(0) , 0) ); + BOOST_CHECK( almost_equal( difference.vector_in_position(1) , 0) ); + BOOST_CHECK( almost_equal( difference.vector_in_position(2) , 0) ); + BOOST_CHECK( almost_equal( difference.vector_in_position(3) , 0) ); + BOOST_CHECK( almost_equal( difference.vector_in_position(4) , 0) ); + BOOST_CHECK( almost_equal( difference.vector_in_position(5) , 0) ); + + Vector_distances_in_diagram< Euclidean_distance<double> > prod = 2.*A; + BOOST_CHECK( almost_equal( prod.vector_in_position(0) , 7.07107) ); + BOOST_CHECK( almost_equal( prod.vector_in_position(1) , 7.07107) ); + BOOST_CHECK( almost_equal( prod.vector_in_position(2) , 5.65685) ); + BOOST_CHECK( almost_equal( prod.vector_in_position(3) , 1.41421) ); + BOOST_CHECK( almost_equal( prod.vector_in_position(4) , 1.41421) ); + BOOST_CHECK( almost_equal( prod.vector_in_position(5) , 1.41421) ); + + Vector_distances_in_diagram< Euclidean_distance<double> > prod1 = A*2; + BOOST_CHECK( almost_equal( prod1.vector_in_position(0) , 7.07107) ); + BOOST_CHECK( almost_equal( prod1.vector_in_position(1) , 7.07107) ); + BOOST_CHECK( almost_equal( prod1.vector_in_position(2) , 5.65685) ); + BOOST_CHECK( almost_equal( prod1.vector_in_position(3) , 1.41421) ); + BOOST_CHECK( almost_equal( prod1.vector_in_position(4) , 1.41421) ); + BOOST_CHECK( almost_equal( prod1.vector_in_position(5) , 1.41421) ); + +} |