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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/xnoalias.hpp"
#include "xtensor/xview.hpp"
#include "test_common_macros.hpp"
#include "test_xsemantic.hpp"
namespace xt
{
template <class F, class C>
struct view_op_tester : operation_tester<F, C>
{
using storage_type = C;
storage_type vres_rr;
storage_type vres_rc;
storage_type vres_rct;
storage_type vres_ru;
size_t x_slice;
xrange<size_t> y_slice;
xrange<size_t> z_slice;
view_op_tester();
};
template <class F, class C>
view_op_tester<F, C>::view_op_tester()
: operation_tester<F, C>()
, x_slice(0)
, y_slice(0, 2)
, z_slice(1, 4)
{
vres_rr = this->a;
vres_rc = this->a;
vres_rct = this->a;
vres_ru = this->a;
size_t imax = y_slice.size();
size_t jmax = z_slice.size();
for (size_t i = 0; i < imax; ++i)
{
for (size_t j = 0; j < jmax; ++j)
{
size_t si = y_slice(i);
size_t sj = z_slice(j);
vres_rr(x_slice, si, sj) = this->res_rr(x_slice, si, sj);
vres_rc(x_slice, si, sj) = this->res_rc(x_slice, si, sj);
vres_rct(x_slice, si, sj) = this->res_rct(x_slice, si, sj);
vres_ru(x_slice, si, sj) = this->res_ru(x_slice, si, sj);
}
}
}
template <class C, std::size_t>
struct redim_container
{
using type = C;
};
template <class T, std::size_t N, layout_type L, std::size_t NN>
struct redim_container<xtensor<T, N, L>, NN>
{
using type = xtensor<T, NN, L>;
};
template <class C, std::size_t N>
using redim_container_t = typename redim_container<C, N>::type;
template <class C>
class view_semantic : public ::testing::Test
{
public:
using storage_type = C;
};
#define VIEW_SEMANTIC_TEST_TYPES xarray_dynamic, xtensor_dynamic
TEST_SUITE("view_semantic")
{
TEST_CASE_TEMPLATE("a_plus_b", TypeParam, VIEW_SEMANTIC_TEST_TYPES)
{
view_op_tester<std::plus<>, TypeParam> t;
auto viewa = view(t.a, t.x_slice, t.y_slice, t.z_slice);
SUBCASE("row_major + row_major")
{
TypeParam b = t.a;
auto viewb = view(b, t.x_slice, t.y_slice, t.z_slice);
auto viewra = view(t.ra, t.x_slice, t.y_slice, t.z_slice);
viewb = viewa + viewra;
EXPECT_EQ(t.vres_rr, b);
}
SUBCASE("row_major + column_major")
{
TypeParam b = t.a;
auto viewb = view(b, t.x_slice, t.y_slice, t.z_slice);
auto viewca = view(t.ca, t.x_slice, t.y_slice, t.z_slice);
viewb = viewa + viewca;
EXPECT_EQ(t.vres_rc, b);
}
SUBCASE("row_major + central_major")
{
TypeParam b = t.a;
auto viewb = view(b, t.x_slice, t.y_slice, t.z_slice);
auto viewcta = view(t.cta, t.x_slice, t.y_slice, t.z_slice);
viewb = viewa + viewcta;
EXPECT_EQ(t.vres_rct, b);
}
SUBCASE("row_major + unit_major")
{
TypeParam b = t.a;
auto viewb = view(b, t.x_slice, t.y_slice, t.z_slice);
auto viewua = view(t.ua, t.x_slice, t.y_slice, t.z_slice);
viewb = viewa + viewua;
EXPECT_EQ(t.vres_ru, b);
}
}
TEST_CASE_TEMPLATE("a_minus_b", TypeParam, VIEW_SEMANTIC_TEST_TYPES)
{
view_op_tester<std::minus<>, TypeParam> t;
auto viewa = view(t.a, t.x_slice, t.y_slice, t.z_slice);
SUBCASE("row_major - row_major")
{
TypeParam b = t.a;
auto viewb = view(b, t.x_slice, t.y_slice, t.z_slice);
auto viewra = view(t.ra, t.x_slice, t.y_slice, t.z_slice);
viewb = viewa - viewra;
EXPECT_EQ(t.vres_rr, b);
}
SUBCASE("row_major - column_major")
{
TypeParam b = t.a;
auto viewb = view(b, t.x_slice, t.y_slice, t.z_slice);
auto viewca = view(t.ca, t.x_slice, t.y_slice, t.z_slice);
viewb = viewa - viewca;
EXPECT_EQ(t.vres_rc, b);
}
SUBCASE("row_major - central_major")
{
TypeParam b = t.a;
auto viewb = view(b, t.x_slice, t.y_slice, t.z_slice);
auto viewcta = view(t.cta, t.x_slice, t.y_slice, t.z_slice);
viewb = viewa - viewcta;
EXPECT_EQ(t.vres_rct, b);
}
SUBCASE("row_major - unit_major")
{
TypeParam b = t.a;
auto viewb = view(b, t.x_slice, t.y_slice, t.z_slice);
auto viewua = view(t.ua, t.x_slice, t.y_slice, t.z_slice);
viewb = viewa - viewua;
EXPECT_EQ(t.vres_ru, b);
}
}
TEST_CASE_TEMPLATE("a_times_b", TypeParam, VIEW_SEMANTIC_TEST_TYPES)
{
view_op_tester<std::multiplies<>, TypeParam> t;
auto viewa = view(t.a, t.x_slice, t.y_slice, t.z_slice);
SUBCASE("row_major * row_major")
{
TypeParam b = t.a;
auto viewb = view(b, t.x_slice, t.y_slice, t.z_slice);
auto viewra = view(t.ra, t.x_slice, t.y_slice, t.z_slice);
viewb = viewa * viewra;
EXPECT_EQ(t.vres_rr, b);
}
SUBCASE("row_major * column_major")
{
TypeParam b = t.a;
auto viewb = view(b, t.x_slice, t.y_slice, t.z_slice);
auto viewca = view(t.ca, t.x_slice, t.y_slice, t.z_slice);
viewb = viewa * viewca;
EXPECT_EQ(t.vres_rc, b);
}
SUBCASE("row_major * central_major")
{
TypeParam b = t.a;
auto viewb = view(b, t.x_slice, t.y_slice, t.z_slice);
auto viewcta = view(t.cta, t.x_slice, t.y_slice, t.z_slice);
viewb = viewa * viewcta;
EXPECT_EQ(t.vres_rct, b);
}
SUBCASE("row_major * unit_major")
{
TypeParam b = t.a;
auto viewb = view(b, t.x_slice, t.y_slice, t.z_slice);
auto viewua = view(t.ua, t.x_slice, t.y_slice, t.z_slice);
viewb = viewa * viewua;
EXPECT_EQ(t.vres_ru, b);
}
}
TEST_CASE_TEMPLATE("a_divdide_by_b", TypeParam, VIEW_SEMANTIC_TEST_TYPES)
{
view_op_tester<std::divides<>, TypeParam> t;
auto viewa = view(t.a, t.x_slice, t.y_slice, t.z_slice);
SUBCASE("row_major / row_major")
{
TypeParam b = t.a;
auto viewb = view(b, t.x_slice, t.y_slice, t.z_slice);
auto viewra = view(t.ra, t.x_slice, t.y_slice, t.z_slice);
viewb = viewa / viewra;
EXPECT_EQ(t.vres_rr, b);
}
SUBCASE("row_major / column_major")
{
TypeParam b = t.a;
auto viewb = view(b, t.x_slice, t.y_slice, t.z_slice);
auto viewca = view(t.ca, t.x_slice, t.y_slice, t.z_slice);
viewb = viewa / viewca;
EXPECT_EQ(t.vres_rc, b);
}
SUBCASE("row_major / central_major")
{
TypeParam b = t.a;
auto viewb = view(b, t.x_slice, t.y_slice, t.z_slice);
auto viewcta = view(t.cta, t.x_slice, t.y_slice, t.z_slice);
viewb = viewa / viewcta;
EXPECT_EQ(t.vres_rct, b);
}
SUBCASE("row_major / unit_major")
{
TypeParam b = t.a;
auto viewb = view(b, t.x_slice, t.y_slice, t.z_slice);
auto viewua = view(t.ua, t.x_slice, t.y_slice, t.z_slice);
viewb = viewa / viewua;
EXPECT_EQ(t.vres_ru, b);
}
}
TEST_CASE_TEMPLATE("a_plus_equal_b", TypeParam, VIEW_SEMANTIC_TEST_TYPES)
{
view_op_tester<std::plus<>, TypeParam> t;
SUBCASE("row_major += row_major")
{
TypeParam b = t.a;
auto viewb = view(b, t.x_slice, t.y_slice, t.z_slice);
auto viewra = view(t.ra, t.x_slice, t.y_slice, t.z_slice);
viewb += viewra;
EXPECT_EQ(t.vres_rr, b);
}
SUBCASE("row_major += column_major")
{
TypeParam b = t.a;
auto viewb = view(b, t.x_slice, t.y_slice, t.z_slice);
auto viewca = view(t.ca, t.x_slice, t.y_slice, t.z_slice);
viewb += viewca;
EXPECT_EQ(t.vres_rc, b);
}
SUBCASE("row_major += central_major")
{
TypeParam b = t.a;
auto viewb = view(b, t.x_slice, t.y_slice, t.z_slice);
auto viewcta = view(t.cta, t.x_slice, t.y_slice, t.z_slice);
viewb += viewcta;
EXPECT_EQ(t.vres_rct, b);
}
SUBCASE("row_major += unit_major")
{
TypeParam b = t.a;
auto viewb = view(b, t.x_slice, t.y_slice, t.z_slice);
auto viewua = view(t.ua, t.x_slice, t.y_slice, t.z_slice);
viewb += viewua;
EXPECT_EQ(t.vres_ru, b);
}
}
TEST_CASE_TEMPLATE("a_minus_equal_b", TypeParam, VIEW_SEMANTIC_TEST_TYPES)
{
view_op_tester<std::minus<>, TypeParam> t;
SUBCASE("row_major -= row_major")
{
TypeParam b = t.a;
auto viewb = view(b, t.x_slice, t.y_slice, t.z_slice);
auto viewra = view(t.ra, t.x_slice, t.y_slice, t.z_slice);
viewb -= viewra;
EXPECT_EQ(t.vres_rr, b);
}
SUBCASE("row_major -= column_major")
{
TypeParam b = t.a;
auto viewb = view(b, t.x_slice, t.y_slice, t.z_slice);
auto viewca = view(t.ca, t.x_slice, t.y_slice, t.z_slice);
viewb -= viewca;
EXPECT_EQ(t.vres_rc, b);
}
SUBCASE("row_major -= central_major")
{
TypeParam b = t.a;
auto viewb = view(b, t.x_slice, t.y_slice, t.z_slice);
auto viewcta = view(t.cta, t.x_slice, t.y_slice, t.z_slice);
viewb -= viewcta;
EXPECT_EQ(t.vres_rct, b);
}
SUBCASE("row_major -= unit_major")
{
TypeParam b = t.a;
auto viewb = view(b, t.x_slice, t.y_slice, t.z_slice);
auto viewua = view(t.ua, t.x_slice, t.y_slice, t.z_slice);
viewb -= viewua;
EXPECT_EQ(t.vres_ru, b);
}
}
TEST_CASE_TEMPLATE("a_times_equal_b", TypeParam, VIEW_SEMANTIC_TEST_TYPES)
{
view_op_tester<std::multiplies<>, TypeParam> t;
SUBCASE("row_major *= row_major")
{
TypeParam b = t.a;
auto viewb = view(b, t.x_slice, t.y_slice, t.z_slice);
auto viewra = view(t.ra, t.x_slice, t.y_slice, t.z_slice);
viewb *= viewra;
EXPECT_EQ(t.vres_rr, b);
}
SUBCASE("row_major *= column_major")
{
TypeParam b = t.a;
auto viewb = view(b, t.x_slice, t.y_slice, t.z_slice);
auto viewca = view(t.ca, t.x_slice, t.y_slice, t.z_slice);
viewb *= viewca;
EXPECT_EQ(t.vres_rc, b);
}
SUBCASE("row_major *= central_major")
{
TypeParam b = t.a;
auto viewb = view(b, t.x_slice, t.y_slice, t.z_slice);
auto viewcta = view(t.cta, t.x_slice, t.y_slice, t.z_slice);
viewb *= viewcta;
EXPECT_EQ(t.vres_rct, b);
}
SUBCASE("row_major *= unit_major")
{
TypeParam b = t.a;
auto viewb = view(b, t.x_slice, t.y_slice, t.z_slice);
auto viewua = view(t.ua, t.x_slice, t.y_slice, t.z_slice);
viewb *= viewua;
EXPECT_EQ(t.vres_ru, b);
}
}
TEST_CASE_TEMPLATE("a_divide_by_equal_b", TypeParam, VIEW_SEMANTIC_TEST_TYPES)
{
view_op_tester<std::divides<>, TypeParam> t;
SUBCASE("row_major /= row_major")
{
TypeParam b = t.a;
auto viewb = view(b, t.x_slice, t.y_slice, t.z_slice);
auto viewra = view(t.ra, t.x_slice, t.y_slice, t.z_slice);
viewb /= viewra;
EXPECT_EQ(t.vres_rr, b);
}
SUBCASE("row_major /= column_major")
{
TypeParam b = t.a;
auto viewb = view(b, t.x_slice, t.y_slice, t.z_slice);
auto viewca = view(t.ca, t.x_slice, t.y_slice, t.z_slice);
viewb /= viewca;
EXPECT_EQ(t.vres_rc, b);
}
SUBCASE("row_major /= central_major")
{
TypeParam b = t.a;
auto viewb = view(b, t.x_slice, t.y_slice, t.z_slice);
auto viewcta = view(t.cta, t.x_slice, t.y_slice, t.z_slice);
viewb /= viewcta;
EXPECT_EQ(t.vres_rct, b);
}
SUBCASE("row_major /= unit_major")
{
TypeParam b = t.a;
auto viewb = view(b, t.x_slice, t.y_slice, t.z_slice);
auto viewua = view(t.ua, t.x_slice, t.y_slice, t.z_slice);
viewb /= viewua;
EXPECT_EQ(t.vres_ru, b);
}
}
TEST_CASE_TEMPLATE("broadcast_equal", TypeParam, VIEW_SEMANTIC_TEST_TYPES)
{
using container_1d = redim_container_t<TypeParam, 1>;
using container_2d = redim_container_t<TypeParam, 2>;
container_2d a = {{1, 2, 3, 4}, {5, 6, 7, 8}, {9, 10, 11, 12}};
container_2d b = a;
auto viewa = view(a, all(), range(1, 4));
auto viewb = view(b, all(), range(1, 4));
container_1d c = {1, 2, 3};
viewa = c;
noalias(viewb) = c;
container_2d res = {{1, 1, 2, 3}, {5, 1, 2, 3}, {9, 1, 2, 3}};
EXPECT_EQ(res, a);
EXPECT_EQ(res, b);
}
TEST_CASE_TEMPLATE("scalar_equal", TypeParam, VIEW_SEMANTIC_TEST_TYPES)
{
using container_2d = redim_container_t<TypeParam, 2>;
container_2d a = {{1, 2, 3, 4}, {5, 6, 7, 8}, {9, 10, 11, 12}};
auto viewa = view(a, all(), range(1, 4));
int b = 1;
viewa = b;
container_2d res = {{1, 1, 1, 1}, {5, 1, 1, 1}, {9, 1, 1, 1}};
EXPECT_EQ(res, a);
}
TEST_CASE_TEMPLATE("higher_dimension_broadcast", TypeParam, VIEW_SEMANTIC_TEST_TYPES)
{
using container_2d = redim_container_t<TypeParam, 2>;
container_2d a = {{1, 2, 3}, {4, 5, 6}};
container_2d b = {{11, 12, 13}};
container_2d res = {{11, 12, 13}, {4, 5, 6}};
auto viewa = view(a, 0, all());
XT_EXPECT_ANY_THROW(viewa = b);
}
}
#undef VIEW_SEMANTIC_TEST_TYPES
}
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