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Extends ONNX Gemm parser to handle dynamic input shapes
Limits ONNX Gemm parsing to 2D input tensors for A and B inputs
As per the ONNX specifications
Changed Gemm ONNX tests to 2D input versions
Add onnx_verify tests for Gemm
Parsing ONNX Gemm links to more than one operator, checking that it produces the correct result

Updated each source file in the repo with the existing license.

Add Loop operator for opset version 13.
Notes: 1) Default max iteration number is 10 if no max iteration number is provided
2) To change the max iter number, a user can set the max_loop_iterations in the onnx_option struct when parsing a model.
3) The returned shape of the scan output is from the max_loop_iterations even the actual loop num is less than that. This issue also applies to other operators like NonZero and NonMaxSuppression. A issue #948 is created to track this and to be resolved later.
Co-authored-by: Paul <pfultz2@yahoo.com>
Co-authored-by: mvermeulen <5479696+mvermeulen@users.noreply.github.com>

* add an api get_main_module

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* modify onnx unit test for module

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* refactor ops unit test with the get_main_module

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* code backup

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* refine module c api

* add python api for module

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* fix a python api issue

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* fix cppcheck error

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* refine unit tests changes

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* defer some changes to later PRs

* change return of get_main_module from ref to pointer

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* add unit tests for the get_main_module_api

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* fix cppcheck error

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* add more unit tests for more code change coverage

* clang format

* fix unit test

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* code change for more code coverage

* Add option to no generate a destroy method

* Formatting

* fix some review comments

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* fix review comments

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Co-authored-by: Paul <pfultz2@yahoo.com>

* Add all_targets cmake target

* Rename target

* Add ref target

* Rename tests

* Refactor compiler target

* Formatting

* Verify for every target

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* Add verify test suite

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* Add initial test programs

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* Add rnn tests

* Formatting

* Validate gpu

* Formatting

* Remove old gpu tests

* Fix gpu tests

* Fix ref error

* Fix tidy issues

* Formatting

* Tidy fixes

* Fix header in python api

* Rename to ref

* Use ref in verify_onnx

* Fix tidy issue

* Build with verbose on

* Fix typo

* Remove verbose

* rename some cpu prefix to ref
Co-authored-by: Shucai Xiao <Shucai.Xiao@amd.com>

* Take numpy array directly in python API

* Formatting

* Intialize program parameters from initializer list

* Formatting
Co-authored-by: mvermeulen <5479696+mvermeulen@users.noreply.github.com>

* add quantization_fp16 c api

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* add quantization c api

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* backup code for add_c_api of quantization

* add c/c++ api for the quantization

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* fix a cppcheck error

* fix cpp check error

* add unit test for quantization apis

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* fix cppcheck error

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* refine unit tests to cover more code changes

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* refine unit tests for more code change coverage

* add an op_names class

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* refine a unit test for more code change coverage

* code backup

* clang format

* remove unnecessary code

* fix review comments

* clang format
Co-authored-by: mvermeulen <5479696+mvermeulen@users.noreply.github.com>

* Add more constructor to C api for shape

* Formatting

* Fix template file

* Add support for passing null pointers for empy vectors

* Move variable
Co-authored-by: mvermeulen <5479696+mvermeulen@users.noreply.github.com>

* python api support scalar argument

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* add unit test for the scalar type

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* update to include numpy

* fix package issue

* fix package issue

* fixed review comments

* resolve review comments

* remove unnecessary changes

* refine a unit test for beter coverage

* clang format

* refine unit tests to cover code change

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* change unit test

* refine tests

* refine unit test

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* refine unit test

* fix a dockerfile error

* fix bug

* scalar shape support in c++ api

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* fix cppcheck error

* fix possible errors

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Co-authored-by: mvermeulen <5479696+mvermeulen@users.noreply.github.com>

* refine slice implementation

* clang format

* fix cppcheck error

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* change parse operator function signature

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* add parsing the split operator

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* add parsing split operator

* make squeeze/unsqueeze inputs to standard shape

* fix a bug in parsing slice

* change parsing pad to support opset 11 definition

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* add unit tests for the split operator

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* fix cppcheck error

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* update tests for multiple program outputs

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* fix cppcheck error

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* refine an error message

* add unit tests for the pad operator

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* add unit tests for slice operator

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* fix review comments

* fix cppcheck error

* add the numpy package in the Dockerfile

* add c api for onnx options

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* change c/c++ and python apis related to parse_onnx option change

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* fixed a bug

* fix a bug

* add fix bugs in cpp api

* fix bugs in c api for onnx_options

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* add unit tests

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* add missing onnx file

* add more unit test for dynamic input shape support

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* fix cppcheck error

* fix cppcheck error

* fix cppcheck error

* clang format

* fix cppcheck error

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* code change to resolve the segmentation problem

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* change the api

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* fixed a unit test error

* fix cppcheck error

* clang format

* fixed a cppcheck error

* fix review comments

* clang format
Co-authored-by: mvermeulen <5479696+mvermeulen@users.noreply.github.com>

* fixed a bug in the cpp api for the case of zero input parameter

* clang format

* fixed clang format warning
Co-authored-by: Paul Fultz II <pfultz2@yahoo.com>
Co-authored-by: mvermeulen <5479696+mvermeulen@users.noreply.github.com>

* Add initial api

* Formatting

* Add more api

* Formatting

* Add auto api generation

* Formatting

* Fix some compilation errors

* Change handle struct

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* Fix reamining compilation errors

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* Simplify using ctype

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* Initial c++ generation

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* Add C++header

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* Add test

* Formatting

* Add initial tests

* Formatting

* Try to fix formatting

* Cleanup formatting

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* Fix constructors on the same line

* Fix tests

* Formatting

* Fix tidy issues

* Fix tidy issues

* Fix naming issue

* Add onnx API to parse buffer

* Formatting

* Add arguments api

* Formatting

* Fix verify parameters

* Fix cppcheck issues

* Formatting

* Add method to get output shapes and bytes

* Formatting

* Try formatting

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* Improve the test coverage

* Formatting

* Add print method

* Formatting

* Fix cppcheck issue

* Fix package dependency

* Add nolint

* Try fix formatting

* Formatting

* formatting

* formatting

* Fix formatting
Co-authored-by: Shucai Xiao <shucai.xiao@amd.com>
Co-authored-by: kahmed10 <15948690+kahmed10@users.noreply.github.com>