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xtensor/test/test_xtensor_adaptor.cpp at stable · xtensor-stack/xtensor · GitHub
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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
"
gtest/gtest.h
"
#
include
"
xtensor/xtensor.hpp
"
#
include
"
test_common.hpp
"
namespace
xt
{
using
vec_type = std::vector<
int
>;
using
adaptor_type = xtensor_adaptor<vec_type,
3
, layout_type::dynamic>;
using
storage_type = std::array<std::
size_t
,
3
>;
TEST
(xtensor_adaptor, shaped_constructor)
{
{
SCOPED_TRACE
(
"
row_major constructor
"
);
row_major_result<storage_type> rm;
vec_type v;
adaptor_type
a
(v, rm.
shape
(), layout_type::row_major);
compare_shape
(a, rm);
}
{
SCOPED_TRACE
(
"
column_major constructor
"
);
column_major_result<storage_type> cm;
vec_type v;
adaptor_type
a
(v, cm.
shape
(), layout_type::column_major);
compare_shape
(a, cm);
}
}
TEST
(xtensor_adaptor, strided_constructor)
{
central_major_result<storage_type> cmr;
vec_type v;
adaptor_type
a
(v, cmr.
shape
(), cmr.
strides
());
compare_shape
(a, cmr);
}
TEST
(xtensor_adaptor, copy_semantic)
{
central_major_result<storage_type> res;
int
value =
2
;
vec_type
v
(res.
size
(), value);
adaptor_type
a
(v, res.
shape
(), res.
strides
());
{
SCOPED_TRACE
(
"
copy constructor
"
);
adaptor_type
b
(a);
compare_shape
(a, b);
EXPECT_EQ
(a.
storage
(), b.
storage
());
}
{
SCOPED_TRACE
(
"
assignment operator
"
);
row_major_result<storage_type> r;
vec_type
v2
(r.
size
(),
0
);
adaptor_type
c
(v2, r.
shape
());
EXPECT_NE
(a.
storage
(), c.
storage
());
c = a;
compare_shape
(a, c);
EXPECT_EQ
(a.
storage
(), c.
storage
());
}
}
TEST
(xtensor_adaptor, move_semantic)
{
central_major_result<storage_type> res;
int
value =
2
;
vec_type
v
(res.
size
(), value);
adaptor_type
a
(v, res.
shape
(), res.
strides
());
{
SCOPED_TRACE
(
"
move constructor
"
);
adaptor_type
tmp
(a);
adaptor_type
b
(
std::move
(tmp));
compare_shape
(a, b);
EXPECT_EQ
(a.
storage
(), b.
storage
());
}
{
SCOPED_TRACE
(
"
move assignment
"
);
row_major_result<storage_type> r;
vec_type
v2
(r.
size
(),
0
);
adaptor_type
c
(v2, r.
shape
());
EXPECT_NE
(a.
storage
(), c.
storage
());
adaptor_type
tmp
(a);
c =
std::move
(tmp);
compare_shape
(a, c);
EXPECT_EQ
(a.
storage
(), c.
storage
());
}
}
TEST
(xtensor_adaptor, resize)
{
vec_type v;
adaptor_type
a
(v);
test_resize<adaptor_type, storage_type>(a);
}
TEST
(xtensor_adaptor, reshape)
{
vec_type v;
adaptor_type
a
(v);
test_reshape<adaptor_type, storage_type>(a);
}
#
if
!(defined(XTENSOR_ENABLE_ASSERT) && defined(XTENSOR_DISABLE_EXCEPTIONS))
TEST
(xtensor_adaptor, access)
{
vec_type v;
adaptor_type
a
(v);
test_access<adaptor_type, storage_type>(a);
}
#
endif
TEST
(xtensor_adaptor, unchecked)
{
vec_type v;
adaptor_type
a
(v);
test_unchecked<adaptor_type, storage_type>(a);
}
TEST
(xtensor_adaptor, at)
{
vec_type v;
adaptor_type
a
(v);
test_at<adaptor_type, storage_type>(a);
}
TEST
(xtensor_adaptor, indexed_access)
{
vec_type v;
adaptor_type
a
(v);
test_indexed_access<adaptor_type, storage_type>(a);
}
TEST
(xtensor_adaptor, broadcast_shape)
{
vec_type v;
xtensor_adaptor<vec_type,
4
>
a
(v);
test_broadcast
(a);
}
TEST
(xtensor_adaptor, iterator)
{
vec_type v;
using
adaptor_rm = xtensor_adaptor<vec_type,
3
, layout_type::row_major>;
using
adaptor_cm = xtensor_adaptor<vec_type,
3
, layout_type::column_major>;
adaptor_rm
arm
(v);
adaptor_cm
acm
(v);
test_iterator<adaptor_rm, adaptor_cm, storage_type>(arm, acm);
}
TEST
(xtensor_adaptor, fill)
{
vec_type v;
xtensor_adaptor<vec_type,
2
>
a
(v);
test_fill
(a);
}
TEST
(xtensor_adaptor, xiterator)
{
vec_type v;
adaptor_type
a
(v);
test_xiterator<adaptor_type, storage_type>(a);
}
TEST
(xtensor_adaptor, reverse_xiterator)
{
vec_type v;
adaptor_type
a
(v);
test_reverse_xiterator<adaptor_type, storage_type>(a);
}
TEST
(xtensor_adaptor, adapt_std_array)
{
std::array<
double
,
9
> a = {
1
,
2
,
3
,
4
,
5
,
6
,
7
,
8
,
9
};
xtensor_adaptor<
decltype
(a),
2
>
ad
(a, {
3
,
3
});
EXPECT_EQ
(
ad
(
1
,
1
),
5
.);
ad = ad *
2
;
EXPECT_EQ
(
ad
(
1
,
1
),
10
.);
}
TEST
(xtensor_adaptor, iterator_types)
{
using
vec_type = std::vector<
int
>;
using
tensor_type = xtensor_adaptor<vec_type,
2
>;
using
const_tensor_type = xtensor_adaptor<
const
vec_type,
2
>;
using
iterator = vec_type::iterator;
using
const_iterator = vec_type::const_iterator;
test_iterator_types<tensor_type, iterator, const_iterator>();
test_iterator_types<const_tensor_type, const_iterator, const_iterator>();
}
}
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