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PHY 277

Logistics

Topics
Getting Started
portal / portal2
Using your own computer

Introduction

Computation
Hello, World
What About AI?

The UNIX Shell

Why Use the Command Line?
The Shell
Some Sample Data
Navigating the Filesystem
Shell History
Create Files and Directories
Copying, Moving, and Deleting
Wildcards
Redirection and Pipes
grep
scp and Transferring Files
File Permissions
Search Path

Introduction to Programming

Computer Hardware
Software Development Tools
Preparing portal / portal2
Structure of a C++ Program
Helpful C++ Tools / Resources
Compiling
A First C++ Project

Editors

Different Editors
emacs
Configuring emacs

C++ Basic Datatypes

C++ Fundamental Datatypes
Operators
Mixing types
Datatype Sizes and Limits
Floating Point
std::numbers
Numerical Library
Preview of Functions
Minimizing Roundoff
Special Floating Point Quantities

Review

In-Class Review I
More Practice Problems

C++ Strings and I/O

Strings
Indexing Strings
std::format
Reading Input

C++ Advanced Types

Vectors
More Vectors
Looping Over Vectors
Vector Iterators
Vector Algorithms
Working with Strings
Example: Matrix
auto and decltype
Structures
Arrays
References
Pointers

C++ Flow Control

Conditional Statements
Loops
Statement Blocks
continue and break

File I/O

File I/O

C++ Functions

Functions
Passing by Value vs. Reference
SL Algorithms
More Functions
Lambda Functions
Example: Sorting Planets

Some Numerical Algorithms

Roundoff vs. truncation error
Compiler Optimization
Example: Planetary Orbit
2nd Order Runge-Kutta Orbit
Root Finding
Monte Carlo Methods

Software Engineering

Making the Compiler Do the Work
Working with Multiple Files
Makefiles
In-Class Example: Splitting Up Our Orbit Code

In-class Activities

In-class Participation
- Feb 05 In-Class
- Feb 20 In-Class

Homework

Homework #1
Homework #2
Homework #3

Repository
Show source
Suggest edit
Open issue

Compiler Optimization

Contents

Optimization flags
NDEBUG

Compiler Optimization#

When writing numerical codes, we often want the fastest performance we can get.

Optimization flags#

`NDEBUG`#

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Roundoff vs. truncation error

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Example: Planetary Orbit

Contents

Optimization flags
NDEBUG

By Michael Zingale

© Copyright 2025-2026, Michael Zingale.