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xtensor-python/test/test_pyarray_traits.cpp at master · NKI-AI/xtensor-python · GitHub
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/*
**************************************************************************
* Copyright (c) Wolf Vollprecht, Johan Mabille and Sylvain Corlay *
* 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
"
gtest/gtest.h
"
#
include
"
xtensor-python/pyarray.hpp
"
namespace
xt
{
namespace
testing
{
class
pyarray_traits
: public ::testing::Test
{
protected:
using
dynamic_type = xt::pyarray<
double
>;
using
row_major_type = xt::pyarray<
double
, xt::layout_type::row_major>;
using
column_major_type = xt::pyarray<
double
, xt::layout_type::column_major>;
dynamic_type d1 = {{
0
.,
1
.}, {
0
.,
10
.}, {
0
.,
100
.}};
dynamic_type d2 = {{
0
.,
2
.}, {
0
.,
20
.}, {
0
.,
200
.}};
row_major_type r1 = {{
0
.,
1
.}, {
0
.,
10
.}, {
0
.,
100
.}};
row_major_type r2 = {{
0
.,
2
.}, {
0
.,
20
.}, {
0
.,
200
.}};
column_major_type c1 = {{
0
.,
1
.}, {
0
.,
10
.}, {
0
.,
100
.}};
column_major_type c2 = {{
0
.,
2
.}, {
0
.,
20
.}, {
0
.,
200
.}};
template
<
class
T
>
bool
test_has_strides
(T
const
&)
{
return
xt::has_strides<T>::value;
}
template
<
class
T
>
xt::layout_type
test_result_layout
(T
const
& a1, T
const
& a2)
{
auto
tmp1 =
pow
(
sin
((a2 - a1) /
2
.),
2
.);
auto
tmp2 =
cos
(a1);
return
(tmp1 + tmp2).
layout
();
}
template
<
class
T
>
bool
test_linear_assign
(T
const
& a1, T
const
& a2)
{
auto
tmp1 =
pow
(
sin
((a2 - a1) /
2
.),
2
.);
auto
tmp2 =
cos
(a1);
T res = tmp1 + tmp2;
return
xt::xassign_traits<T,
decltype
(tmp1 + tmp2)>::
linear_assign
(res, tmp1 + tmp2,
true
);
}
template
<
class
T
>
bool
test_static_simd_linear_assign
(T
const
& a1, T
const
& a2)
{
auto
tmp1 =
pow
(
sin
((a2 - a1) /
2
.),
2
.);
auto
tmp2 =
cos
(a1);
return
xt::xassign_traits<T,
decltype
(tmp2)>::
simd_linear_assign
();
}
template
<
class
T
>
bool
test_dynamic_simd_linear_assign
(T
const
& a1, T
const
& a2)
{
auto
tmp1 =
pow
(
sin
((a2 - a1) /
2
.),
2
.);
auto
tmp2 =
cos
(a1);
return
xt::xassign_traits<T,
decltype
(tmp2)>::
simd_linear_assign
(a1, tmp2);
}
template
<
class
T
>
bool
test_linear_static_layout
(T
const
& a1, T
const
& a2)
{
auto
tmp1 =
pow
(
sin
((a2 - a1) /
2
.),
2
.);
auto
tmp2 =
cos
(a1);
return
xt::detail::linear_static_layout<
decltype
(tmp1),
decltype
(tmp2)>();
}
template
<
class
T
>
bool
test_contiguous_layout
(T
const
& a1, T
const
& a2)
{
auto
tmp1 =
pow
(
sin
((a2 - a1) /
2
.),
2
.);
auto
tmp2 =
cos
(a1);
return
decltype
(tmp1)::contiguous_layout &&
decltype
(tmp2)::contiguous_layout;
}
};
TEST_F
(pyarray_traits, result_layout)
{
EXPECT_TRUE
(d1.
layout
() == layout_type::row_major);
EXPECT_TRUE
(
test_result_layout
(d1, d2) == layout_type::row_major);
EXPECT_TRUE
(r1.
layout
() == layout_type::row_major);
EXPECT_TRUE
(
test_result_layout
(r1, r2) == layout_type::row_major);
EXPECT_TRUE
(c1.
layout
() == layout_type::column_major);
EXPECT_TRUE
(
test_result_layout
(c1, c2) == layout_type::column_major);
}
TEST_F
(pyarray_traits, has_strides)
{
EXPECT_TRUE
(
test_has_strides
(d1));
EXPECT_TRUE
(
test_has_strides
(r1));
EXPECT_TRUE
(
test_has_strides
(c1));
}
TEST_F
(pyarray_traits, has_linear_assign)
{
EXPECT_TRUE
(d2.
has_linear_assign
(d1.
strides
()));
EXPECT_TRUE
(r2.
has_linear_assign
(r1.
strides
()));
EXPECT_TRUE
(c2.
has_linear_assign
(c1.
strides
()));
}
TEST_F
(pyarray_traits, linear_assign)
{
EXPECT_TRUE
(
test_linear_assign
(d1, d2));
EXPECT_TRUE
(
test_linear_assign
(r1, r2));
EXPECT_TRUE
(
test_linear_assign
(c1, c2));
}
TEST_F
(pyarray_traits, static_simd_linear_assign)
{
#
ifdef
XTENSOR_USE_XSIMD
EXPECT_FALSE
(
test_static_simd_linear_assign
(d1, d2));
EXPECT_TRUE
(
test_static_simd_linear_assign
(r1, r2));
EXPECT_TRUE
(
test_static_simd_linear_assign
(c1, c2));
#
else
EXPECT_FALSE
(
test_static_simd_linear_assign
(d1, d2));
EXPECT_FALSE
(
test_static_simd_linear_assign
(r1, r2));
EXPECT_FALSE
(
test_static_simd_linear_assign
(c1, c2));
#
endif
}
TEST_F
(pyarray_traits, dynamic_simd_linear_assign)
{
#
ifdef
XTENSOR_USE_XSIMD
EXPECT_TRUE
(
test_dynamic_simd_linear_assign
(d1, d2));
EXPECT_TRUE
(
test_dynamic_simd_linear_assign
(r1, r2));
EXPECT_TRUE
(
test_dynamic_simd_linear_assign
(c1, c2));
#
else
EXPECT_FALSE
(
test_dynamic_simd_linear_assign
(d1, d2));
EXPECT_FALSE
(
test_dynamic_simd_linear_assign
(r1, r2));
EXPECT_FALSE
(
test_dynamic_simd_linear_assign
(c1, c2));
#
endif
}
TEST_F
(pyarray_traits, linear_static_layout)
{
EXPECT_FALSE
(
test_linear_static_layout
(d1, d2));
EXPECT_TRUE
(
test_linear_static_layout
(r1, r2));
EXPECT_TRUE
(
test_linear_static_layout
(c1, c2));
}
TEST_F
(pyarray_traits, contiguous_layout)
{
EXPECT_FALSE
(
test_contiguous_layout
(d1, d2));
EXPECT_TRUE
(
test_contiguous_layout
(r1, r2));
EXPECT_TRUE
(
test_contiguous_layout
(c1, c2));
}
}
}
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