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TensorFlow.NET/test/TensorFlowNET.UnitTest/c_test_util.cs at master · pdqd/TensorFlow.NET · GitHub
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using
System
.
Diagnostics
.
CodeAnalysis
;
using
Tensorflow
;
using
Tensorflow
.
Util
;
using
Buffer
=
Tensorflow
.
Buffer
;
namespace
TensorFlowNET
.
UnitTest
{
/// <summary>
/// Port from `tensorflow\c\c_test_util.cc`
/// </summary>
public
static
class
c_test_util
{
public
static
Operation
Add
(
Operation
l
,
Operation
r
,
Graph
graph
,
Status
s
,
string
name
=
"add"
)
{
lock
(
Locks
.
ProcessWide
)
{
var
desc
=
c_api
.
TF_NewOperation
(
graph
,
"AddN"
,
name
)
;
var
inputs
=
new
TF_Output
[
]
{
new
TF_Output
(
l
,
0
)
,
new
TF_Output
(
r
,
0
)
,
}
;
c_api
.
TF_AddInputList
(
desc
,
inputs
,
inputs
.
Length
)
;
var
op
=
c_api
.
TF_FinishOperation
(
desc
,
s
)
;
s
.
Check
(
)
;
return
op
;
}
}
[
SuppressMessage
(
"ReSharper"
,
"RedundantAssignment"
)
]
public
static
bool
GetAttrValue
(
Operation
oper
,
string
attr_name
,
ref
AttrValue
attr_value
,
Status
s
)
{
lock
(
Locks
.
ProcessWide
)
{
using
(
var
buffer
=
new
Buffer
(
)
)
{
c_api
.
TF_OperationGetAttrValueProto
(
oper
,
attr_name
,
buffer
,
s
)
;
attr_value
=
AttrValue
.
Parser
.
ParseFrom
(
buffer
.
MemoryBlock
.
Stream
(
)
)
;
}
return
s
.
Code
==
TF_Code
.
TF_OK
;
}
}
public
static
GraphDef
GetGraphDef
(
Graph
graph
)
{
lock
(
Locks
.
ProcessWide
)
{
using
(
var
s
=
new
Status
(
)
)
using
(
var
buffer
=
new
Buffer
(
)
)
{
c_api
.
TF_GraphToGraphDef
(
graph
,
buffer
,
s
)
;
s
.
Check
(
)
;
return
GraphDef
.
Parser
.
ParseFrom
(
buffer
.
MemoryBlock
.
Stream
(
)
)
;
}
}
}
public
static
bool
IsAddN
(
NodeDef
node_def
,
int
n
)
{
if
(
node_def
.
Op
!=
"AddN"
||
node_def
.
Name
!=
"add"
||
node_def
.
Input
.
Count
!=
n
)
{
return
false
;
}
bool
found_t
=
false
;
bool
found_n
=
false
;
foreach
(
var
attr
in
node_def
.
Attr
)
{
if
(
attr
.
Key
==
"T"
)
{
if
(
attr
.
Value
.
Type
==
DataType
.
DtInt32
)
{
found_t
=
true
;
}
else
{
return
false
;
}
}
else
if
(
attr
.
Key
==
"N"
)
{
if
(
attr
.
Value
.
I
==
n
)
{
found_n
=
true
;
}
else
{
return
false
;
}
}
}
return
found_t
&&
found_n
;
}
public
static
bool
IsNeg
(
NodeDef
node_def
,
string
input
)
{
return
node_def
.
Op
==
"Neg"
&&
node_def
.
Name
==
"neg"
&&
node_def
.
Input
.
Count
==
1
&&
node_def
.
Input
[
0
]
==
input
;
}
public
static
bool
IsPlaceholder
(
NodeDef
node_def
)
{
if
(
node_def
.
Op
!=
"Placeholder"
||
node_def
.
Name
!=
"feed"
)
{
return
false
;
}
bool
found_dtype
=
false
;
bool
found_shape
=
false
;
foreach
(
var
attr
in
node_def
.
Attr
)
{
if
(
attr
.
Key
==
"dtype"
)
{
if
(
attr
.
Value
.
Type
==
DataType
.
DtInt32
)
{
found_dtype
=
true
;
}
else
{
return
false
;
}
}
else
if
(
attr
.
Key
==
"shape"
)
{
found_shape
=
true
;
}
}
return
found_dtype
&&
found_shape
;
}
public
static
bool
IsScalarConst
(
NodeDef
node_def
,
int
v
)
{
if
(
node_def
.
Op
!=
"Const"
||
node_def
.
Name
!=
"scalar"
)
{
return
false
;
}
bool
found_dtype
=
false
;
bool
found_value
=
false
;
foreach
(
var
attr
in
node_def
.
Attr
)
{
if
(
attr
.
Key
==
"dtype"
)
{
if
(
attr
.
Value
.
Type
==
DataType
.
DtInt32
)
{
found_dtype
=
true
;
}
else
{
return
false
;
}
}
else
if
(
attr
.
Key
==
"value"
)
{
if
(
attr
.
Value
.
Tensor
!=
null
&&
attr
.
Value
.
Tensor
.
IntVal
.
Count
==
1
&&
attr
.
Value
.
Tensor
.
IntVal
[
0
]
==
v
)
{
found_value
=
true
;
}
else
{
return
false
;
}
}
}
return
found_dtype
&&
found_value
;
}
public
static
Operation
Neg
(
Operation
n
,
Graph
graph
,
Status
s
,
string
name
=
"neg"
)
{
lock
(
Locks
.
ProcessWide
)
{
OperationDescription
desc
=
c_api
.
TF_NewOperation
(
graph
,
"Neg"
,
name
)
;
var
neg_input
=
new
TF_Output
(
n
,
0
)
;
c_api
.
TF_AddInput
(
desc
,
neg_input
)
;
var
op
=
c_api
.
TF_FinishOperation
(
desc
,
s
)
;
s
.
Check
(
)
;
return
op
;
}
}
public
static
Operation
Placeholder
(
Graph
graph
,
Status
s
,
string
name
=
"feed"
,
TF_DataType
dtype
=
TF_DataType
.
TF_INT32
,
long
[
]
dims
=
null
)
{
lock
(
Locks
.
ProcessWide
)
{
var
desc
=
c_api
.
TF_NewOperation
(
graph
,
"Placeholder"
,
name
)
;
c_api
.
TF_SetAttrType
(
desc
,
"dtype"
,
dtype
)
;
if
(
dims
!=
null
)
{
c_api
.
TF_SetAttrShape
(
desc
,
"shape"
,
dims
,
dims
.
Length
)
;
}
var
op
=
c_api
.
TF_FinishOperation
(
desc
,
s
)
;
s
.
Check
(
)
;
return
op
;
}
}
public
static
Operation
Const
(
Tensor
t
,
Graph
graph
,
Status
s
,
string
name
)
{
lock
(
Locks
.
ProcessWide
)
{
var
desc
=
c_api
.
TF_NewOperation
(
graph
,
"Const"
,
name
)
;
c_api
.
TF_SetAttrTensor
(
desc
,
"value"
,
t
,
s
)
;
s
.
Check
(
)
;
c_api
.
TF_SetAttrType
(
desc
,
"dtype"
,
t
.
dtype
)
;
var
op
=
c_api
.
TF_FinishOperation
(
desc
,
s
)
;
s
.
Check
(
)
;
return
op
;
}
}
public
static
Operation
ScalarConst
(
int
v
,
Graph
graph
,
Status
s
,
string
name
=
"scalar"
)
{
return
Const
(
new
Tensor
(
v
)
,
graph
,
s
,
name
)
;
}
}
}
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