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904eefaf
编写于
1月 03, 2017
作者:
H
hedaoyuan
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电子邮件补丁
差异文件
add TensorShape use to represent tensor of any dimension.
上级
495649af
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2
隐藏空白更改
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2 changed file
with
178 addition
and
0 deletion
+178
-0
paddle/function/TensorType.h
paddle/function/TensorType.h
+125
-0
paddle/function/TensorTypeTest.cpp
paddle/function/TensorTypeTest.cpp
+53
-0
未找到文件。
paddle/function/TensorType.h
0 → 100644
浏览文件 @
904eefaf
/* Copyright (c) 2016 PaddlePaddle Authors. All Rights Reserve.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License. */
#pragma once
#include <glog/logging.h>
namespace
paddle
{
enum
ValueType
{
VALUE_TYPE_INT32
=
0
,
VALUE_TYPE_FLOAT
=
1
,
VALUE_TYPE_DOUBLE
=
2
,
VALUE_TYPE_BYTE
=
3
};
enum
DeviceType
{
DEVICE_TYPE_UNSPECIFIED
=
0
,
DEVICE_TYPE_CPU
=
1
,
DEVICE_TYPE_GPU
=
2
};
inline
int
sizeOfValuType
(
ValueType
valueType
)
{
if
(
valueType
==
VALUE_TYPE_INT32
)
{
return
4
;
}
else
if
(
valueType
==
VALUE_TYPE_FLOAT
)
{
return
4
;
}
else
if
(
valueType
==
VALUE_TYPE_DOUBLE
)
{
return
8
;
}
else
{
LOG
(
FATAL
)
<<
"Unknown type: "
<<
valueType
;
return
0
;
}
}
template
<
typename
T
>
struct
DataType
;
template
<
>
struct
DataType
<
float
>
{
static
const
ValueType
value
=
VALUE_TYPE_FLOAT
;
};
template
<
>
struct
DataType
<
double
>
{
static
const
ValueType
value
=
VALUE_TYPE_DOUBLE
;
};
/**
* TensorShape used to represent shape of normal tensor.
*/
class
TensorShape
{
public:
TensorShape
()
:
ndims_
(
0
),
nelements_
(
0
)
{
initDims
(
0
);
}
TensorShape
(
size_t
ndims
)
:
ndims_
(
ndims
),
nelements_
(
1
)
{
initDims
(
ndims
);
};
TensorShape
(
std
::
initializer_list
<
size_t
>
dims
)
{
ndims_
=
dims
.
size
();
initDims
(
ndims_
);
std
::
copy
(
dims
.
begin
(),
dims
.
end
(),
dims_
.
begin
());
numElements
();
};
TensorShape
(
const
TensorShape
&
t
)
:
ndims_
(
t
.
ndims_
),
nelements_
(
t
.
nelements_
)
{
initDims
(
ndims_
);
std
::
copy
(
t
.
dims_
.
begin
(),
t
.
dims_
.
end
(),
dims_
.
begin
());
};
// get the size of specified dimension
size_t
operator
[](
size_t
dim
)
const
{
CHECK_GE
(
dim
,
0
);
CHECK_LT
(
dim
,
ndims_
);
return
dims_
[
dim
];
}
// set the size of specified dimension
void
setDim
(
size_t
dim
,
size_t
size
)
{
CHECK_GE
(
dim
,
0
);
CHECK_LT
(
dim
,
ndims_
);
dims_
[
dim
]
=
size
;
numElements
();
}
// number of dimensions of the tensor
size_t
ndims
()
const
{
return
ndims_
;
}
size_t
getElements
()
const
{
return
nelements_
;
}
private:
// compute number of elements
void
numElements
()
{
nelements_
=
1
;
for
(
size_t
n
=
0
;
n
<
ndims_
;
n
++
)
{
nelements_
*=
dims_
[
n
];
}
}
// init dims_
void
initDims
(
size_t
ndims
)
{
size_t
count
=
ndims
<
4
?
4
:
ndims
;
dims_
.
assign
(
count
,
1
);
}
// number of dimensions
// ndims_ may be not equeal dims_.size()
size_t
ndims_
;
// number of elements
size_t
nelements_
;
std
::
vector
<
size_t
>
dims_
;
};
}
// namespace paddle
paddle/function/TensorTypeTest.cpp
0 → 100644
浏览文件 @
904eefaf
/* Copyright (c) 2016 PaddlePaddle Authors. All Rights Reserve.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License. */
#include "TensorType.h"
#include <gtest/gtest.h>
namespace
paddle
{
TEST
(
TensorShape
,
Constructor
)
{
TensorShape
t1
;
EXPECT_EQ
(
t1
.
ndims
(),
0
);
EXPECT_EQ
(
t1
.
getElements
(),
0
);
TensorShape
t2
(
3
);
EXPECT_EQ
(
t2
.
ndims
(),
3
);
EXPECT_EQ
(
t2
.
getElements
(),
1
);
TensorShape
t3
({
8
,
10
});
EXPECT_EQ
(
t3
.
ndims
(),
2
);
EXPECT_EQ
(
t3
.
getElements
(),
80
);
TensorShape
t4
(
t3
);
EXPECT_EQ
(
t4
.
ndims
(),
t3
.
ndims
());
EXPECT_EQ
(
t4
.
getElements
(),
t3
.
getElements
());
TensorShape
t5
({
1
,
2
,
3
,
4
,
5
});
EXPECT_EQ
(
t5
.
ndims
(),
5
);
EXPECT_EQ
(
t5
.
getElements
(),
120
);
}
TEST
(
TensorShape
,
GetAndSet
)
{
TensorShape
t
({
1
,
2
,
3
});
EXPECT_EQ
(
t
.
ndims
(),
3
);
EXPECT_EQ
(
t
.
getElements
(),
6
);
EXPECT_EQ
(
t
[
1
],
2
);
t
.
setDim
(
1
,
100
);
EXPECT_EQ
(
t
.
getElements
(),
300
);
EXPECT_EQ
(
t
[
1
],
100
);
}
}
// namespace paddle
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