[ LSTM ] Add return_sequence

This commit includes,
  . impelementation of return_sequence. If it is true, then it
  generate all the output of time iteration and if it false, then
  only last output is available.
  . add 'return_sequence' keyward

Resolves:

**Self evaluation:**
1. Build test:  [X]Passed [ ]Failed [ ]Skipped
2. Run test:  [X]Passed [ ]Failed [ ]Skipped

Signed-off-by: jijoong.moon <jijoong.moon@samsung.com>

[ LSTM ] LSTM Unit Test Cases

This PR includes,
 . LSTM Unittest Case
 . python code in genModels

Resolves:

**Self evaluation:**
1. Build test:  [X]Passed [ ]Failed [ ]Skipped
2. Run test:  [X]Passed [ ]Failed [ ]Skipped

Signed-off-by: jijoong.moon <jijoong.moon@samsung.com>

[ LSTM ] Fix implementation & add backwarding testcase

This commits includes:
  . fix implementation ( apply actvation )
  . add one unittest to check functionality of backwarding

**Self evaluation:**
1. Build test:  [X]Passed [ ]Failed [ ]Skipped
2. Run test:  [X]Passed [ ]Failed [ ]Skipped

Signed-off-by: jijoong.moon <jijoong.moon@samsung.com>

[Exporter] Implement saving fc node

**Changes proposed in this PR:**
- This patch add saving fullyconnected layer with node_exporter
- add dedeicated buffer to `TfNode`

**Self evaluation:**
1. Build test: [X]Passed [ ]Failed [ ]Skipped
2. Run test: [X]Passed [ ]Failed [ ]Skipped

Signed-off-by: Jihoon Lee <jhoon.it.lee@samsung.com>

[app] reduce Logistic regression application epochs

Reduce logistic regression application epochs.
This application is to check working than verify accuracy and can
run with fewer epochs.

**Self evaluation:**
1. Build test: [x]Passed [ ]Failed [ ]Skipped
2. Run test: [x]Passed [ ]Failed [ ]Skipped

Signed-off-by: Parichay Kapoor <pk.kapoor@samsung.com>

[Recorder] Add Input map generation

There was a bug that layer input is directly from the previous layer.
If the model is not sequential, this assumption is not true, making
Addition test fail.

This patch build `model.recoder__input_maps` to correctly locate
 the input tensor with some minor clean ups

**Self evaluation:**
1. Build test: [X]Passed [ ]Failed [ ]Skipped
2. Run test: [X]Passed [ ]Failed [ ]Skipped

Signed-off-by: Jihoon Lee <jhoon.it.lee@samsung.com>

[meson] Enable tflite-interpreter by default

Enable tflite-interpreter by default as tflite layer is
already enabled.
Move flatc dependency out to the main meson.build
Also add proper path for the generated tf_schema

**Self evaluation:**
1. Build test: [x]Passed [ ]Failed [ ]Skipped
2. Run test: [x]Passed [ ]Failed [ ]Skipped

Signed-off-by: Parichay Kapoor <pk.kapoor@samsung.com>

[layer] Move flatten property to layerNode

Move flatten property out to layerNode
also prepare for moving other properties out to layerNode

**Self evaluation:**
1. Build test: [x]Passed [ ]Failed [ ]Skipped
2. Run test: [x]Passed [ ]Failed [ ]Skipped

Signed-off-by: Parichay Kapoor <pk.kapoor@samsung.com>

[Refactor] Delegate tfNode creation to exporter

This patch enables delegating exporting logic to exporter.
Note that this is supposed to be 1:1 mapping, if it has to be m:n
mapping, it should be directly handled by the interpreter, which
actually can see the node.

Also s/`save_result`/`saveResult` and `get_result`/`getResult`

**Self evaluation:**
1. Build test: [X]Passed [ ]Failed [ ]Skipped
2. Run test: [X]Passed [ ]Failed [ ]Skipped

Signed-off-by: Jihoon Lee <jhoon.it.lee@samsung.com>
[Android] Add tflite interpreter option

This patch add tflite interpreter option to ndk build

**Self evaluation:**
1. Build test: [X]Passed [ ]Failed [ ]Skipped
2. Run test: [X]Passed [ ]Failed [ ]Skipped

Signed-off-by: Jihoon Lee <jhoon.it.lee@samsung.com>

[Fix] Initialize member variable

 - Initialize member variable sorted
 - Catch exception when create the tensor

resolves: 1231330, 1143556

Signed-off-by: hyeonseok lee <hs89.lee@samsung.com>

[deb/pkg] Reduce error tolerance for release build

Reduce error tolerance for release builds to succeed build on launchpad and tizen builds.
The default error tolerance is only reduced for all release builds for all tests that use defined tolerance.
However, the CI will run at original tolerance for all the builds and will ensure that
values are matched with original precision.

The tolerance has to be reduced because different os
have different versions and implementations of the blas
which results in minor difference in the results of the float
operations. However, when the difference is accumulated over
a range of operations, the unittests fail to match the
exact values.

**Self evaluation:**
1. Build test: [x]Passed [ ]Failed [ ]Skipped
2. Run test: [x]Passed [ ]Failed [ ]Skipped

Signed-off-by: Parichay Kapoor <pk.kapoor@samsung.com>

[Tflite] Separate `tfopnode`

This patch separates tfopnode to a file.

tfOpNode will be directly built from the exporter if it doesn't need to
be fused.

**Self evaluation:**
1. Build test: [X]Passed [ ]Failed [ ]Skipped
2. Run test: [X]Passed [ ]Failed [ ]Skipped

Signed-off-by: Jihoon Lee <jhoon.it.lee@samsung.com>

[tflite] Update dependency from tflite to tf2lite

Update dependency from tensorflow-lite to tensorflow2-lite.
This is done for Tizen and Debian build. It has already been done for Android.

Tensorflow2-lite header is dependent on flatbuffer, so flatbuffers-devel
is additionally added as a build-dependency.

**Self evaluation:**
1. Build test: [x]Passed [ ]Failed [ ]Skipped
2. Run test: [x]Passed [ ]Failed [ ]Skipped

Signed-off-by: Parichay Kapoor <pk.kapoor@samsung.com>

[pkg/spec] Update spec packaging for tflite layer

Update spec packaging for tflite layer with tflite dependency

**Self evaluation:**
1. Build test: [x]Passed [ ]Failed [ ]Skipped
2. Run test: [x]Passed [ ]Failed [ ]Skipped

Signed-off-by: Parichay Kapoor <pk.kapoor@samsung.com>

[test] Remove run_unittests

Remove run_unittests

**Self evaluation:**
1. Build test: [x]Passed [ ]Failed [ ]Skipped
2. Run test: [x]Passed [ ]Failed [ ]Skipped

Signed-off-by: Parichay Kapoor <pk.kapoor@samsung.com>

[deb/pkg] Minor update to deb packaging

Update debian packaging:
- update the unittests to use meson tests
- update dh_missing to fail than give warnings

**Self evaluation:**
1. Build test: [x]Passed [ ]Failed [ ]Skipped
2. Run test: [x]Passed [ ]Failed [ ]Skipped

Signed-off-by: Parichay Kapoor <pk.kapoor@samsung.com>

[unittest] Update unittest tolerance for debian build

Update unittest tolerance to be 1e-5 for debian build to match
across platforms (bionic, focal) and architectures.
Similar issues have occured for i586 tizen as well.
So, this patch lowers the tolerance for all ccapi and capi test.

This issue occurs to os and library versioning issues.

**Self evaluation:**
1. Build test: [x]Passed [ ]Failed [ ]Skipped
2. Run test: [x]Passed [ ]Failed [ ]Skipped

Signed-off-by: Parichay Kapoor <pk.kapoor@samsung.com>

[deb/pkg] Add nnstreamer filter and update testing

Add nnstreamer filter in the packaging
Also update the unittests to use the meson tests

**Self evaluation:**
1. Build test: [x]Passed [ ]Failed [ ]Skipped
2. Run test: [x]Passed [ ]Failed [ ]Skipped

Signed-off-by: Parichay Kapoor <pk.kapoor@samsung.com>

[ Release ] NNTrainer 0.2.0 Release

NNTrainer v0.2.0 is released.

**Self evaluation:**
1. Build test:  [X]Passed [ ]Failed [ ]Skipped
2. Run test:  [X]Passed [ ]Failed [ ]Skipped

Signed-off-by: jijoong.moon <jijoong.moon@samsung.com>

[deb/pkg] Update debian install filenames

Update debian install filenames for the capi and ccapi.

**Self evaluation:**
1. Build test: [x]Passed [ ]Failed [ ]Skipped
2. Run test: [x]Passed [ ]Failed [ ]Skipped

Signed-off-by: Parichay Kapoor <pk.kapoor@samsung.com>

[Product Ratings] Fix inconsistent batch

This patch fixes inconcistent batch size between source file and model
configuration.

Also found a bug #1238, which will be dealt seperately.

**Self evaluation:**
1. Build test: [X]Passed [ ]Failed [ ]Skipped
2. Run test: [X]Passed [ ]Failed [ ]Skipped

Signed-off-by: Jihoon Lee <jhoon.it.lee@samsung.com>

[debian] Refactor debian packaging

Refactor debian package to make separate packages for capi and ccapi, along with their devels.
Other bug fixes/improvements are:
- Update the names of the packages in pkg-config files for the capi and ccapi
- Update the installed files based on the requirement by the devel headers
(this might be even expanded). This will be refactored again once layer_internal and neuralnet
cleanup is performed.
- Update the included headers

**Self evaluation:**
1. Build test: [x]Passed [ ]Failed [ ]Skipped
2. Run test: [x]Passed [ ]Failed [ ]Skipped

Signed-off-by: Parichay Kapoor <pk.kapoor@samsung.com>

[APP] Change embeding to product rating

This patch changes embedding application to product rating application
which is more practical use-case

**Changes proposed in this PR:**
- Update Readme
- Change directory and app name embedding->productratings
- tune model and sample dataset

**Self evaluation:**
1. Build test: [X]Passed [ ]Failed [ ]Skipped
2. Run test: [X]Passed [ ]Failed [ ]Skipped

Signed-off-by: Jihoon Lee <jhoon.it.lee@samsung.com>

[tflite] implement build operations in subgraph

This patch implements build operation in the subgraph

**Self evaluation:**
1. Build test: [X]Passed [ ]Failed [ ]Skipped
2. Run test: [X]Passed [ ]Failed [ ]Skipped

Signed-off-by: Jihoon Lee <jhoon.it.lee@samsung.com>

[context/optimizer] Enable plugged optimizer

Enable plugged optimizer with the app_context

**Self evaluation:**
1. Build test: [x]Passed [ ]Failed [ ]Skipped
2. Run test: [x]Passed [ ]Failed [ ]Skipped

Signed-off-by: Parichay Kapoor <pk.kapoor@samsung.com>

[optimizer] Update optimizer setProperty interface

Update optimizer setProperty interface based on the requirement
from the custom optimizer.

**Self evaluation:**
1. Build test: [x]Passed [ ]Failed [ ]Skipped
2. Run test: [x]Passed [ ]Failed [ ]Skipped

Signed-off-by: Parichay Kapoor <pk.kapoor@samsung.com>

[Example] Concat example

This patch adds concat example with embedding

The structure is

      (input)
     /       \
  (embed1)   (embed2)
    \         /
      (concat)
         |
      (flatten)
         |
        (fc)

**Self evaluation:**
1. Build test: [X]Passed [ ]Failed [ ]Skipped
2. Run test: [X]Passed [ ]Failed [ ]Skipped

Signed-off-by: Jihoon Lee <jhoon.it.lee@samsung.com>

[Fix] Prevent creating multiout for split

This patch make an exception for split layer to not create multiout
layer. While fixing trivial build error of sign compare

**Self evaluation:**
1. Build test: [X]Passed [ ]Failed [ ]Skipped
2. Run test: [X]Passed [ ]Failed [ ]Skipped

Signed-off-by: Jihoon Lee <jhoon.it.lee@samsung.com>

[split/test] Added unittests for split layer

Added unittests for split layer covering initialization,
forwarding and backwarding. Corresponding bug fixes are
also added.
This has revealed an issue with concat layer #1226
which will be resolved soon.

Also add split layer to android build

Resolves #1208

**Self evaluation:**
1. Build test: [x]Passed [ ]Failed [ ]Skipped
2. Run test: [x]Passed [ ]Failed [ ]Skipped

Signed-off-by: Parichay Kapoor <pk.kapoor@samsung.com>

[split layer] Add forwarding and backwarding

Add forwarding and backwarding for the split layer

**Self evaluation:**
1. Build test: [x]Passed [ ]Failed [ ]Skipped
2. Run test: [x]Passed [ ]Failed [ ]Skipped

Signed-off-by: Parichay Kapoor <pk.kapoor@samsung.com>

[split layer] Added split layer scaffolding

Added split layer scaffolding with its properties and initialization

**Self evaluation:**
1. Build test: [x]Passed [ ]Failed [ ]Skipped
2. Run test: [x]Passed [ ]Failed [ ]Skipped

Signed-off-by: Parichay Kapoor <pk.kapoor@samsung.com>

[App] Make embedding golden data optional

This patch makes embedding golden data optional while changing return
status

**Self evaluation:**
1. Build test: [X]Passed [ ]Failed [ ]Skipped
2. Run test: [X]Passed [ ]Failed [ ]Skipped

Signed-off-by: Jihoon Lee <jhoon.it.lee@samsung.com>

[ LSTM ] Fix implementation & add backwarding testcase

This commits includes:
  . fix implementation ( apply actvation )
  . add one unittest to check functionality of backwarding

**Self evaluation:**
1. Build test:  [X]Passed [ ]Failed [ ]Skipped
2. Run test:  [X]Passed [ ]Failed [ ]Skipped

Signed-off-by: jijoong.moon <jijoong.moon@samsung.com>

[ LSTM ] Backwarding Implementation

This commit includes
 . calDerivative & calGradient of LSTM Layer
 . Modification of Forwarding of LSTM Layer

**Self evaluation:**
1. Build test:  [X]Passed [ ]Failed [ ]Skipped
2. Run test:  [X]Passed [ ]Failed [ ]Skipped

Signed-off-by: jijoong.moon <jijoong.moon@samsung.com>

[VarGrad] Add clone Transpose

This patch adds clone transpose to `var_grad`, this function clones the
current `var_grad` but transpose and save

**Self evaluation:**
1. Build test: [X]Passed [ ]Failed [ ]Skipped
2. Run test: [X]Passed [ ]Failed [ ]Skipped

Signed-off-by: Jihoon Lee <jhoon.it.lee@samsung.com>

[Tflite] Add model input, output

This patch add model to track input and output

**Self evaluation:**
1. Build test: [X]Passed [ ]Failed [ ]Skipped
2. Run test: [X]Passed [ ]Failed [ ]Skipped

Signed-off-by: Jihoon Lee <jhoon.it.lee@samsung.com>

[Fix/graph] fix index after removing node

**Changes proposed in this PR:**
- After removing last node, adj node after the target node becomes not
correct, this patch fixes the issue

**Self evaluation:**
1. Build test: [X]Passed [ ]Failed [ ]Skipped
2. Run test: [X]Passed [ ]Failed [ ]Skipped

Signed-off-by: Jihoon Lee <jhoon.it.lee@samsung.com>

[Test/Model] Prepare addition model

This patch add addition model test

**Self evaluation:**
1. Build test: [X]Passed [ ]Failed [ ]Skipped
2. Run test: [X]Passed [ ]Failed [ ]Skipped

Signed-off-by: Jihoon Lee <jhoon.it.lee@samsung.com>

[Fix] Output layer setup correctly

There was a bug that output layer is not set correctly because of the
timing issue and overlapping checker issue.
This patch sets output layer correctly.

**Self evaluation:**
1. Build test: [X]Passed [ ]Failed [ ]Skipped
2. Run test: [X]Passed [ ]Failed [ ]Skipped

Signed-off-by: Jihoon Lee <jhoon.it.lee@samsung.com>

[LayerNode] Add print function

This patch adds simple print function to be used for debugging
Note that, input_layers are from `layer_internal` for now, but it's
private so it is commented out

**Self evaluation:**
1. Build test: [X]Passed [ ]Failed [ ]Skipped
2. Run test: [X]Passed [ ]Failed [ ]Skipped

Signed-off-by: Jihoon Lee <jhoon.it.lee@samsung.com>

[Test/models] prepare to support non-linear models

**Changes proposed in this PR:**
- Make `transLayer` from proxy to a legit layer
- Add output map so that in each layer can locate it's output from model
- Support non-linear output generation
- Add support for multi input, multi output

**Self evaluation:**
1. Build test: [X]Passed [ ]Failed [ ]Skipped
2. Run test: [X]Passed [ ]Failed [ ]Skipped

Signed-off-by: Jihoon Lee <jhoon.it.lee@samsung.com>

[graph] Add non-const iterators

Add non-const iterators for the graph.
Most of the locations use const-iterators.
This will be updated when layer_node is updated to use its
properties than layer.

**Self evaluation:**
1. Build test: [x]Passed [ ]Failed [ ]Skipped
2. Run test: [x]Passed [ ]Failed [ ]Skipped

Signed-off-by: Parichay Kapoor <pk.kapoor@samsung.com>

[graph] Graph cleanup getNodes()

Graph remove support for getNodes() but rather
use iterators to iterator over the graph.

**Self evaluation:**
1. Build test: [x]Passed [ ]Failed [ ]Skipped
2. Run test: [x]Passed [ ]Failed [ ]Skipped

Signed-off-by: Parichay Kapoor <pk.kapoor@samsung.com>

[graph] Cleanup graph usage

Cleanup graph usage

**Self evaluation:**
1. Build test: [x]Passed [ ]Failed [ ]Skipped
2. Run test: [x]Passed [ ]Failed [ ]Skipped

Signed-off-by: Parichay Kapoor <pk.kapoor@samsung.com>

[graph] Migrate to graph core

Migrate neural network independent and generic sections of the graph
to graph core. This is not yet complete and will be done over a few commits.
This will cleanup NetworkGraph class and will allow optimizations to
be done on the GraphCore/NetworkGraph class easily, and simplify
the classes as well.

Now, graph related structures can move out from layer to layer node.

**Self evaluation:**
1. Build test: [x]Passed [ ]Failed [ ]Skipped
2. Run test: [x]Passed [ ]Failed [ ]Skipped

Signed-off-by: Parichay Kapoor <pk.kapoor@samsung.com>

[Addition] fix forwarding

Correct initialization of output

**Self evaluation:**
1. Build test: [X]Passed [ ]Failed [ ]Skipped
2. Run test: [X]Passed [ ]Failed [ ]Skipped

Signed-off-by: hyeonseok lee <hs89.lee@samsung.com>

[Tflite] Fix tf shape building

This patch fixes tf shape building, by adding `eff_dim_flag` and
`dyn_dim_flag`.

`eff_dim_flag` checks which dimension are actually used so that to be
squeezed.
`dyn_dim_flag` checks which dimension should be set to -1 (meaning it is
not fixed)

With those flag set, our tensor dim is able to convert to the dimension
representation that supports `-1` and not fixed size

Those fixes are apply to fc layer for now

**Self evaluation:**
1. Build test: [X]Passed [ ]Failed [ ]Skipped
2. Run test: [X]Passed [ ]Failed [ ]Skipped

Signed-off-by: Jihoon Lee <jhoon.it.lee@samsung.com>

[Fix] Add missing header

This patch adds missing header for logger when `enable_logging=false`

**Self evaluation:**
1. Build test: [X]Passed [ ]Failed [ ]Skipped
2. Run test: [X]Passed [ ]Failed [ ]Skipped

Signed-off-by: Jihoon Lee <jhoon.it.lee@samsung.com>

[Props] Add Name validator and unittest

**Changes proposed in this PR:**
- Add name validator
- Add source file for `common_properties`
- Change name of `unittest_properties.cpp` ->
`unittest_base_properties.cpp`
- Add `unittest_common_properties.cpp`

**Self evaluation:**
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2. Run test: [X]Passed [ ]Failed [ ]Skipped

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[Conv2d/Test] Add more test

This patch adds test suggested at #1042

Resolves #1054

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[Conv2d] Clean up conv2d relates

This patch handles issue left at #1042

**Changes proposed in this PR:**
- [x] move commented code upward
- [x] remove channel argument
- [x] Add conv negative test
- [ ] Add more test

See also: #1042, #1054

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[Tflite] Implement `BuildTensors`

This patch add `BuildTensors` which build tensors into *.tflite file.

**Self evaluation:**
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2. Run test: [X]Passed [ ]Failed [ ]Skipped

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[fc] Make bias derivative in-place

Make bias derivative in-place for fc layer

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[tensor] Update tensor sum

Update tensor sum to support in-place sum when done over
multiple dimensions.
Also update arguments order to have output tensor as a latter
argument.

**Self evaluation:**
1. Build test: [x]Passed [ ]Failed [ ]Skipped
2. Run test: [x]Passed [ ]Failed [ ]Skipped

Signed-off-by: Parichay Kapoor <pk.kapoor@samsung.com>

[tflite] Implement `buildBuffers`

This patch implements buildBuffers, now our generated tflite file has
buffers attached.

**Self evaluation:**
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2. Run test: [X]Passed [ ]Failed [ ]Skipped

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[android] Fix android build

Fix android build error for file not found
add tensorflow new version to .gitignore

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[time_dist] setProperty for time distribution layer

Added setProperty for time distribution layer, which passes
the properties to its underlying layer.

**Self evaluation:**
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2. Run test: [x]Passed [ ]Failed [ ]Skipped

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[model] Model inference should not catch throw

Model inference should not catch throw, and must throw errors
so that the callers can catch it and detect errors.

**Self evaluation:**
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2. Run test: [x]Passed [ ]Failed [ ]Skipped

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[graph] Add graph core class

Add graph core class
This is mainly separating the existing implementation of core part
of the graph from NetworkGraph.
This patch does not contain new implementation but mostly contain
borrowed implementation from existing graph.

See Also #1176

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[Props] Add vector/array handler

This patch add vector property handler.

vectored property have sementics that number of size is not defined
arrayed property have sementics that number of size must match

**Self evaluation:**
1. Build test: [X]Passed [ ]Failed [ ]Skipped
2. Run test: [X]Passed [ ]Failed [ ]Skipped

Signed-off-by: Jihoon Lee <jhoon.it.lee@samsung.com>

[Svace] Fix dangling reference issue

This patch fixes dangling reference caused from Sorted.pop_back();
tracking id: 1229992

**Self evaluation:**
1. Build test: [X]Passed [ ]Failed [ ]Skipped
2. Run test: [X]Passed [ ]Failed [ ]Skipped

Signed-off-by: Jihoon Lee <jhoon.it.lee@samsung.com>

[Tflite] Implement serializing opcode

This patch implements implementing serialize opcode by
`buildOperatorCodes`

**Self evaluation:**
1. Build test: [X]Passed [ ]Failed [ ]Skipped
2. Run test: [X]Passed [ ]Failed [ ]Skipped

Signed-off-by: Jihoon Lee <jhoon.it.lee@samsung.com>

[TfLite] Implement TfOpIdxMap

This patch implments TfOpIdxMap
Please note that graph::initialize has been extracted for modularity and
testability within this patch.

**Self evaluation:**
1. Build test: [X]Passed [ ]Failed [ ]Skipped
2. Run test: [X]Passed [ ]Failed [ ]Skipped

Signed-off-by: Jihoon Lee <jhoon.it.lee@samsung.com>

[Tflite] Implement TfOpNode

This patch implements TfOpNode which will be used to deserialize layer
node to a mere chunk of informations. Please note that those methods are
tentative and subject to change wile implementing other methods

**Self evaluation:**
1. Build test: [X]Passed [ ]Failed [ ]Skipped
2. Run test: [X]Passed [ ]Failed [ ]Skipped

Signed-off-by: Jihoon Lee <jhoon.it.lee@samsung.com>

[Props] Add dimension property

This patch add dimension property

**Self evaluation:**
1. Build test: [X]Passed [ ]Failed [ ]Skipped
2. Run test: [X]Passed [ ]Failed [ ]Skipped

Signed-off-by: Jihoon Lee <jhoon.it.lee@samsung.com>

[Update] update daily build badge

Daily build has been fixed and badge has been reset. This patch update
badge path and update the information.

**Self evaluation:**
1. Build test: [X]Passed [ ]Failed [ ]Skipped
2. Run test: [X]Passed [ ]Failed [ ]Skipped

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[graph] Bug fix for addLossLayer

Removing the last activation is guaranteed to be the last
layer in the Sorted list, but not in the adj graph.
This patch fixes the way the last node is removed from the adj.

Also add some cleanup.

**Self evaluation:**
1. Build test: [x]Passed [ ]Failed [ ]Skipped
2. Run test: [x]Passed [ ]Failed [ ]Skipped

Signed-off-by: Parichay Kapoor <pk.kapoor@samsung.com>

[graph] Update graph node

Update graph node to use the updated LayerNode
Also add minor bug fix for the graph

**Self evaluation:**
1. Build test: [x]Passed [ ]Failed [ ]Skipped
2. Run test: [x]Passed [ ]Failed [ ]Skipped

Signed-off-by: Parichay Kapoor <pk.kapoor@samsung.com>

[Fix] Add compiler complaining types

This patch fixes compiler complaning types

**Self evaluation:**
1. Build test: [X]Passed [ ]Failed [ ]Skipped
2. Run test: [X]Passed [ ]Failed [ ]Skipped

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[tflite] implement serialize

This patch implements serialize with bunch of NYI functions, structures

**Self evaluation:**
1. Build test: [X]Passed [ ]Failed [ ]Skipped
2. Run test: [X]Passed [ ]Failed [ ]Skipped

Signed-off-by: Jihoon Lee <jhoon.it.lee@samsung.com>

[test] Resolve golden data of size 0

This patch resolves the issue of golden data of size 0.
This happened as a tensor of size 0 was trying to load the data.
As the size was 0, no data was loaded.
Further, this size was used for comparison as well, which led to
faulty testcases being passed as well.

Also batchnormalization layers test were not loading the data.
That is also resolved here.

Resolves #769 #1172
See Also #1180

**Self evaluation:**
1. Build test: [x]Passed [ ]Failed [ ]Skipped
2. Run test: [x]Passed [ ]Failed [ ]Skipped

Signed-off-by: Parichay Kapoor <pk.kapoor@samsung.com>

[Tf/Skeleton] Add basic meta data

This patch adds basic meta data to tflite file for startup

**Self evaluation:**
1. Build test: [X]Passed [ ]Failed [ ]Skipped
2. Run test: [X]Passed [ ]Failed [ ]Skipped

Signed-off-by: Jihoon Lee <jhoon.it.lee@samsung.com>

[Props] Change is_valid function signature

**Changes proposed in this PR:**
- s/is_valid/isValid
- change the function to const

**Self evaluation:**
1. Build test: [X]Passed [ ]Failed [ ]Skipped
2. Run test: [X]Passed [ ]Failed [ ]Skipped

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[Props] Add cast operator

**Changes proposed in this PR:**
- Add cast operator to property base for easier use
- Add corresponding test

**Self evaluation:**
1. Build test: [X]Passed [ ]Failed [ ]Skipped
2. Run test: [X]Passed [ ]Failed [ ]Skipped

Signed-off-by: Jihoon Lee <jhoon.it.lee@samsung.com>

[Props] Separate base_propeties to a source

This patch separate base_properties into some specialization to source
file

The purpose is to save compile time and redundant doxygen, and clean up
length header.

**Self evaluation:**
1. Build test: [X]Passed [ ]Failed [ ]Skipped
2. Run test: [X]Passed [ ]Failed [ ]Skipped

Signed-off-by: Jihoon Lee <jhoon.it.lee@samsung.com>

Handle PARAMETER_HIDDEN, NULL_RETURNS issue

1. Check return value of malloc function
2. Rename function parameter of lambda function

resolve: 1216568, 12126575, 1222077, 1222080, 1227326, 1227327

Signed-off-by: hyeonseok lee <hs89.lee@samsung.com>

[Skeleton] Add Tflite interpreter skeleton

This patch adds tflite interpreter skeleton

**Self evaluation:**
1. Build test: [X]Passed [ ]Failed [ ]Skipped
2. Run test: [X]Passed [ ]Failed [ ]Skipped

Signed-off-by: Jihoon Lee <jhoon.it.lee@samsung.com>

[Trivial] Add tflite schema

This patch add tflite schema and corresponding skeleton.

**Self evaluation:**
1. Build test: [X]Passed [ ]Failed [ ]Skipped
2. Run test: [X]Passed [ ]Failed [ ]Skipped

Signed-off-by: Jihoon Lee <jhoon.it.lee@samsung.com>

Added try catch statement

Added try catch on getLoss, readModel, loadFile function
resolve: 1143556

Signed-off-by: hyeonseok lee <hs89.lee@samsung.com>

Handle Uncaught exception issue

Added try catch statement
resolve: 1143556

Signed-off-by: hyeonseok lee <hs89.lee@samsung.com>

[IniSerializer] Add `serialize` to ini

**Changes proposed in this PR:**
- implements ini interpreter::serialize
- add corresponding test (reference shoud be equal to
serialize->deserialized graph)
- Fix some const correctness

**Self evaluation:**
1. Build test: [X]Passed [ ]Failed [ ]Skipped
2. Run test: [X]Passed [ ]Failed [ ]Skipped

Signed-off-by: Jihoon Lee <jhoon.it.lee@samsung.com>

Handle Uninitialized pointer field issue

Initialize pointer
resolve: 1227126

Signed-off-by: hyeonseok lee <hs89.lee@samsung.com>

Handle Uncaught exception issue

Added try catch statement

resolves: 1143556, 1144840

Signed-off-by: hyeonseok lee <hs89.lee@samsung.com>

Handle NO_EFFECT issue

Delete not effective condition
The type of variable i is unsigned int so i < 0 always false

resolves: 461267, 461268

Signed-off-by: hyeonseok lee <hs89.lee@samsung.com>

Handle GTEST.NO_ASSERTION issue

Added EXPECT_NO_THROW to handle No Assert Statement Found issue

Signed-off-by: hyeonseok lee <hs89.lee@samsung.com>

[Layer/props] Convert name to props.

**Changes proposed in this PR:**
- Convert name to props
- Add std::string specialization for property

**Self evaluation:**
1. Build test: [X]Passed [ ]Failed [ ]Skipped
2. Run test: [X]Passed [ ]Failed [ ]Skipped

Signed-off-by: Jihoon Lee <jhoon.it.lee@samsung.com>

[TensorDim/Tensor] Update transpose relates

**Changes proposed in this PR:**
- Add tensorDim::transpose(out)
- Add tensor::transpose
- Add test about tensor::transpose

**Self evaluation:**
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2. Run test: [X]Passed [ ]Failed [ ]Skipped

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[NDK] Add frtti to application build

As real time type information is used in nntrainer, frtti flag is turned
on to fix build issue

**Self evaluation:**
1. Build test: [X]Passed [ ]Failed [ ]Skipped
2. Run test: [X]Passed [ ]Failed [ ]Skipped

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[Props] Implement load properties

This patch implement `load_properties` which helps loading properties
for a tuple of properties.

Please note that `getKeyVal` is taken from `parse_util` because there is
a build option issue with android build

**Self evaluation:**
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2. Run test: [X]Passed [ ]Failed [ ]Skipped

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[Doxygen] Add doxygen to tensordim

This patch adds doxygen to tensordim.

**Self evaluation:**
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2. Run test: [X]Passed [ ]Failed [ ]Skipped

Signed-off-by: Jihoon Lee <jhoon.it.lee@samsung.com>

[Fix] handle edge case for countNonTrainable

**Changes proposed in this PR:**
- Handle edge case when every layer is non trainable
for `countNonTrainableLayersAtBegin`
- Trivial code cleans on simpleshot task_runner / neuralnetwork

**Self evaluation:**
1. Build test: [X]Passed [ ]Failed [ ]Skipped
2. Run test: [X]Passed [ ]Failed [ ]Skipped

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[graph] Bug fix for duplicate output connections

Added bugfix for duplicate output connections

Resolves #1140

**Self evaluation:**
1. Build test: [x]Passed [ ]Failed [ ]Skipped
2. Run test: [x]Passed [ ]Failed [ ]Skipped

Signed-off-by: Parichay Kapoor <pk.kapoor@samsung.com>

[Doxygen] Add missing function tags

This patch adds missing function tags detected from doxygen

**Self evaluation:**
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2. Run test: [X]Passed [ ]Failed [ ]Skipped

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[FC/props] Wrap properties with properties

**Changes proposed in this PR:**
- Add base_properties for common use
- Change fc unit to property
- Add export test
- Add `uint_prop_tag` and it's handler

**Self evaluation:**
1. Build test: [X]Passed [ ]Failed [ ]Skipped
2. Run test: [X]Passed [ ]Failed [ ]Skipped

Signed-off-by: Jihoon Lee <jhoon.it.lee@samsung.com>

[ TIME DIST ] Implement Backwarding of TimeDistLayer

This commit includes
  - implementation of TimeDistLayer Backwarding

**Self evaluation:**
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2. Run test:  [X]Passed [ ]Failed [ ]Skipped

Signed-off-by: jijoong.moon <jijoong.moon@samsung.com>

[ TIME DIST ] add example

Describe a commit content (Until 80 colums per line) in detail ASAP.

**Changes proposed in this PR:**
- Added TOC generator for README.md

Resolves:

**Self evaluation:**
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[ TIME DIST ] Forwarding Implementation

This commit includes
 . Implementation of Forwarding Implementation of Time Dist Layer

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[ TIME DIST ] Implement Initialization of Time Dist Layer

This commit includes,
  - Time Dist Layer initialization
  - Some modification of network graph

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Signed-off-by: jijoong.moon <jijoong.moon@samsung.com>

Revert "[ TIME DIST ] Implement Initialization of Time Dist Layer"

This reverts commit a386b1113cacf8652ebc2bf3765bb470dcc6ea10.

Revert "[ TIME DIST ] Forwarding Implementation"

This reverts commit c2122d5a5256fa31ffc39d8f5be70f56ee77ff05.