Change `shared_instance` type from `weakptr` to `shared_ptr` #98

	name: windows-x64-gpu
	on:
	push:
	paths:
	- '.github/workflows/windows-x64-gpu.yml'
	- 'src/**'
	- 'CMakeLists.txt'
	- 'cmake/**'
	- 'examples/**'
	- '3rdparty/**'
	- 'tests/csrc/**'
	pull_request:
	paths:
	- '.github/workflows/windows-x64-gpu.yml'
	- 'src/**'
	- 'CMakeLists.txt'
	- 'cmake/**'
	- 'examples/**'
	- '3rdparty/**'
	- 'tests/csrc/**'
	concurrency:
	group: windows-x64-gpu-${{ github.ref }}
	cancel-in-progress: true
	permissions:
	contents: read

	jobs:
	cuda-118:
	runs-on: windows-latest
	steps:
	- name: Checkout repository
	uses: actions/checkout@v3
	- name: Set up python
	uses: actions/setup-python@v4
	with:
	python-version: '3.8'
	- name: Install python packages
	run: \|
	pip install pybind11 wheel
	- uses: Jimver/[email protected]
	id: cuda-toolkit
	with:
	cuda: '11.8.0'
	use-github-cache: false
	- name: Build wheel
	run: \|
	((Get-Content -path CMakeLists.txt -Raw) -replace '-Wall','/W0') \| Set-Content CMakeLists.txt
	$env:BUILD_TEST="ON"
	mkdir build
	cd build
	..\builder\windows\generate.ps1
	cmake --build . --config Release -- /m /v:q
	if (-Not $?) {
	echo "build failed"
	exit 1
	}
	cmake --install . --config Release
	cd ..
	rm build -Force -Recurse
	python setup.py bdist_wheel -d build/wheel

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