`IsCollinear`: detect and handle integer multiplication wrapping (version 2) #651

	name: C#
	on:
	push:
	pull_request:
	jobs:
	windows-latest:
	runs-on: 'windows-latest'
	defaults:
	run:
	working-directory: ./CSharp
	steps:
	- uses: actions/checkout@v2
	- name: Copy Clipper2Lib to USINGZ directory
	run: cp Clipper2Lib/*.cs USINGZ/
	- name: Setup .NET Core
	uses: actions/setup-dotnet@v1
	with:
	dotnet-version: '6.0.x'
	- name: Install Dependencies
	run: dotnet restore
	- name: Build Solution
	run: dotnet build --configuration Release --no-restore
	- name: Run Tests
	run: dotnet test --no-restore --verbosity normal

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