Quantum Computing on MacOS with QDK

Quantum Computing on MacOS with MS QDK — Setting up with VS Code

Developing Quantum Computing on macOS

Source

Installation

While you can build Q# command-line applications in any IDE, however, I would suggest using Visual Studio Code (VS Code) as IDE for your Q# applications. By using the VS Code and the QDK Visual Studio Code extension you gain access to richer functionality and the setup process is simpler for a beginner.

• Install Microsoft .net core for macOS
• Install VS Code on Mac
• Install the QDK extension for VS Code

In order to install the Microsoft .net core., currently, it’s version 3.1

The next two-step of install VS Code and the Extension should be straight-forward, I will not waste your time here.

VS Code Setup

After you have everything installed, then install the Quantum project templates:

• Go to View -> Command Palette, or cmd+shift+p
• Select Q#: Install project templates

You now have the Quantum Development Kit installed and ready to use in your own applications and libraries.

Create Your Very First Project:

• Go to View -> Command Palette , or cmd+shift+p
• Select Q#: Create New Project
• Select Standalone console application
• Navigate to the location on the file system where you would like to create the application

After that, the VS Code will be reloaded, it might take a few seconds. Then you should see your project folder setting in the EXPLORER.

I named my project TESTING123 .

Then there’s a bubble poped up at the bottom right corner of VS Code IDE.

• Click on the Open new project… the bubble popped up at the right bottom corner once the project has been created.

VS Code next will download and install all the dependencies for you. The following output should be shown in the OUTPUT :

Installing C# dependencies...
Platform: darwin, x86_64
Downloading package 'OmniSharp for OSX' (47472 KB).................... Done!
Validating download...
Integrity Check succeeded.
Installing package 'OmniSharp for OSX'
Downloading package '.NET Core Debugger (macOS / x64)' (41962 KB).................... Done!
Validating download...
Integrity Check succeeded.
Installing package '.NET Core Debugger (macOS / x64)'
Downloading package 'Razor Language Server (macOS / x64)' (51065 KB).................... Done!
Installing package 'Razor Language Server (macOS / x64)'
Finished

First Quantum Coding (created by VS Code itself)

If you look at the project files, you should see one file ending with the extension of .qs, this is your very first quantum code, which is created by VS Code as a template. The file called Program.qs created, which is a Q# program that defines a simple operation to print a message to the console.

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Run the Application

Go to Terminal -> New Terminal and type dotnet run.

$ dotnet run

And you will see the output like this

Hello quantum world!

The code behind the scene is located in the Program.qs file:

In the code you see namespace, which is the keyword used to declare a scope that contains a set of related objects. My project name is testing123 that is why it showed in the code, yours should be your project name.

Conclusion:

You have learned the fastest way to set up a quantum computing environment on your macOS, and “wrote” your first quantum programming code. :-)

Reference:

The reference of this article is from https://docs.microsoft.com/en-us/quantum/install-guide/standalone

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