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/***************************************************************************
* Copyright (c) Johan Mabille, Sylvain Corlay and Wolf Vollprecht *
* Copyright (c) QuantStack *
* *
* Distributed under the terms of the BSD 3-Clause License. *
* *
* The full license is in the file LICENSE, distributed with this software. *
****************************************************************************/
#include "xtensor/xio.hpp"
#include "xtensor/xmasked_view.hpp"
#include "xtensor/xoptional_assembly.hpp"
#include "test_common_macros.hpp"
namespace xt
{
using data_type = xoptional_assembly<xarray<double>, xarray<bool>>;
// data = {{ 1. , 2., N/A },
// { N/A, 5., 6. },
// { 7. , 8., 9. }}
inline data_type make_test_data()
{
data_type d = {{1., 2., 3.}, {4., 5., 6.}, {7., 8., 9.}};
d(0, 2).has_value() = false;
d(1, 0).has_value() = false;
return d;
}
// masked_data = {{ 1. , 2., N/A },
// { N/A, N/A, N/A },
// { 7. , 8., 9. }}
inline auto make_masked_data(data_type& data)
{
xarray<bool> mask = {{true, true, true}, {false, false, false}, {true, true, true}};
return masked_view(data, std::move(mask));
}
TEST(xmasked_view, dimension)
{
auto data = make_test_data();
auto masked_data = make_masked_data(data);
EXPECT_EQ(data.dimension(), masked_data.dimension());
}
TEST(xmasked_view, size)
{
auto data = make_test_data();
auto masked_data = make_masked_data(data);
EXPECT_EQ(data.size(), masked_data.size());
}
TEST(xmasked_view, shape)
{
auto data = make_test_data();
auto masked_data = make_masked_data(data);
EXPECT_EQ(data.shape(), masked_data.shape());
}
// masked_data = {{ 1. , 2., N/A },
// { N/A, N/A, N/A },
// { 7. , 8., 9. }}
TEST(xmasked_view, access)
{
auto data = make_test_data();
auto masked_data = make_masked_data(data);
auto masked_value = xtl::masked<xtl::xoptional<double, bool>>();
EXPECT_EQ(masked_data(0, 0), 1.);
EXPECT_EQ(masked_data(0, 1), 2.);
EXPECT_EQ(masked_data(0, 2), xtl::missing<double>());
EXPECT_EQ(masked_data(1, 0), masked_value);
EXPECT_EQ(masked_data(1, 1), masked_value);
EXPECT_EQ(masked_data(1, 2), masked_value);
EXPECT_EQ(masked_data(2, 0), 7.);
EXPECT_EQ(masked_data(2, 1), 8.);
EXPECT_EQ(masked_data(2, 2), 9.);
#if defined(XTENSOR_ENABLE_ASSERT)
#if !defined(XTENSOR_DISABLE_EXCEPTIONS)
XT_EXPECT_ANY_THROW(masked_data(3, 3));
#endif
#endif
}
TEST(xmasked_view, at)
{
auto data = make_test_data();
auto masked_data = make_masked_data(data);
auto masked_value = xtl::masked<xtl::xoptional<double, bool>>();
EXPECT_EQ(masked_data.at(0, 0), 1.);
EXPECT_EQ(masked_data.at(0, 1), 2.);
EXPECT_EQ(masked_data.at(0, 2), xtl::missing<double>());
EXPECT_EQ(masked_data.at(1, 0), masked_value);
EXPECT_EQ(masked_data.at(1, 1), masked_value);
EXPECT_EQ(masked_data.at(1, 2), masked_value);
EXPECT_EQ(masked_data.at(2, 0), 7.);
EXPECT_EQ(masked_data.at(2, 1), 8.);
EXPECT_EQ(masked_data.at(2, 2), 9.);
XT_EXPECT_ANY_THROW(masked_data.at(3, 3));
}
TEST(xmasked_view, unchecked)
{
auto data = make_test_data();
auto masked_data = make_masked_data(data);
auto masked_value = xtl::masked<xtl::xoptional<double, bool>>();
EXPECT_EQ(masked_data.unchecked(0, 0), 1.);
EXPECT_EQ(masked_data.unchecked(0, 1), 2.);
EXPECT_EQ(masked_data.unchecked(0, 2), xtl::missing<double>());
EXPECT_EQ(masked_data.unchecked(1, 0), masked_value);
EXPECT_EQ(masked_data.unchecked(1, 1), masked_value);
EXPECT_EQ(masked_data.unchecked(1, 2), masked_value);
EXPECT_EQ(masked_data.unchecked(2, 0), 7.);
EXPECT_EQ(masked_data.unchecked(2, 1), 8.);
EXPECT_EQ(masked_data.unchecked(2, 2), 9.);
}
TEST(xmasked_view, access2)
{
auto data = make_test_data();
auto masked_data = make_masked_data(data);
auto masked_value = xtl::masked<xtl::xoptional<double, bool>>();
auto val = masked_data[{0, 0}];
EXPECT_EQ(val, 1.);
auto val2 = masked_data[{1, 0}];
EXPECT_EQ(val2, masked_value);
auto index1 = std::array<int, 2>({0, 0});
auto index2 = std::array<int, 2>({1, 0});
EXPECT_EQ(masked_data[index1], 1.);
EXPECT_EQ(masked_data[index2], masked_value);
}
TEST(xmasked_view, element)
{
auto data = make_test_data();
auto masked_data = make_masked_data(data);
auto masked_value = xtl::masked<xtl::xoptional<double, bool>>();
auto index1 = std::array<int, 2>({0, 0});
auto index2 = std::array<int, 2>({1, 0});
EXPECT_EQ(masked_data.element(index1.begin(), index1.end()), 1.);
EXPECT_EQ(masked_data.element(index2.begin(), index2.end()), masked_value);
}
TEST(xmasked_view, fill)
{
auto data = make_test_data();
auto masked_data = make_masked_data(data);
masked_data.fill(2.);
auto masked_value = xtl::masked<xtl::xoptional<double, bool>>();
EXPECT_EQ(masked_data.at(0, 0), 2.);
EXPECT_EQ(masked_data.at(0, 1), 2.);
EXPECT_EQ(masked_data.at(0, 2), 2.);
EXPECT_EQ(masked_data.at(1, 0), masked_value);
EXPECT_EQ(masked_data.at(1, 1), masked_value);
EXPECT_EQ(masked_data.at(1, 2), masked_value);
EXPECT_EQ(masked_data.at(2, 0), 2.);
EXPECT_EQ(masked_data.at(2, 1), 2.);
EXPECT_EQ(masked_data.at(2, 2), 2.);
EXPECT_EQ(data.at(0, 0), 2.);
EXPECT_EQ(data.at(0, 1), 2.);
EXPECT_EQ(data.at(0, 2), 2.);
EXPECT_EQ(data.at(1, 0), xtl::missing<double>());
EXPECT_EQ(data.at(1, 1), 5.);
EXPECT_EQ(data.at(1, 2), 6.);
EXPECT_EQ(data.at(2, 0), 2.);
EXPECT_EQ(data.at(2, 1), 2.);
EXPECT_EQ(data.at(2, 2), 2.);
}
TEST(xmasked_view, non_optional_data)
{
xarray<double> data = {{1., -2., 3.}, {4., 5., -6.}, {7., 8., -9.}};
xarray<bool> mask = {{true, true, true}, {true, false, false}, {true, false, true}};
auto masked_data = masked_view(data, mask);
auto masked_value = xtl::masked<double>();
EXPECT_EQ(masked_data(0, 0), 1.);
EXPECT_EQ(masked_data.at(0, 1), -2.);
EXPECT_EQ(masked_data.at(0, 2), 3.);
EXPECT_EQ(masked_data.unchecked(1, 0), 4.);
EXPECT_EQ(masked_data.unchecked(1, 1), masked_value);
auto index1 = std::array<int, 2>({1, 2});
EXPECT_EQ(masked_data[index1], masked_value);
masked_data = 3.65;
xarray<double> expected1 = {{3.65, 3.65, 3.65}, {3.65, 5., -6.}, {3.65, 8., 3.65}};
EXPECT_EQ(data, expected1);
masked_data += 3.;
xarray<double> expected2 = {{6.65, 6.65, 6.65}, {6.65, 5., -6.}, {6.65, 8., 6.65}};
EXPECT_EQ(data, expected2);
}
TEST(xmasked_view, assign)
{
xarray<double> data = {{1., -2., 3.}, {4., 5., -6.}, {7., 8., -9.}};
xarray<double> data2 = {{0.1, 0.2, 0.3}, {0.4, 0.5, 0.6}, {0.7, 0.8, 0.9}};
xarray<bool> mask = {{true, true, true}, {true, false, false}, {true, false, true}};
auto masked_data = masked_view(data, mask);
masked_data = data2;
xarray<double> expected1 = {{0.1, 0.2, 0.3}, {0.4, 5., -6.}, {0.7, 8., 0.9}};
EXPECT_EQ(data, expected1);
}
TEST(xmasked_view, view)
{
xt::xarray<size_t> data = {{0, 1}, {2, 3}, {4, 5}};
xt::xarray<size_t> data_new = xt::zeros<size_t>(data.shape());
xt::xarray<bool> col_mask = {false, true};
auto row_masked = xt::masked_view(xt::view(data, 0, xt::all()), col_mask);
auto new_row_masked = xt::masked_view(xt::view(data_new, 0, xt::all()), col_mask);
row_masked += 10;
new_row_masked = row_masked;
EXPECT_EQ(data_new(0, 0), size_t(0));
EXPECT_EQ(data_new(0, 1), size_t(11));
}
}
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