Contents

• Introduction
• The PSI3Source Code
  • Introduction to the PSI3 Repository
  • Checking in altered PSI3 binaries or libraries
  • Adding entirely new code to the main PSI3 repository
  • Updating checked out code
  • Removing code from the repository
  • Checking out older versions of the code
  • The structure of the PSI3 Source Tree
  
  
• Fundamental PSI3 Functions
  • The Structure of a PSI3 C Program
  • The Input Parser
  • The Binary Input/Output System
  
  
• Other PSI3 C Libraries
  • The Checkpoint File Library
  • The Integrals-With-Labels Library
  • The ``Quantum Trio'' Library
  
  
• Programming Style
  • On the Process of Writing Software
  • Design Issues
  • Organization of Source Code
  • Formatting the Code
  • Naming of Variables
  • Printing Conventions
  • Commenting Source Code
  
  
• Makefiles in PSI3
  • Makefile Structure
  • PSI Makefiles
  • Preparing to Developing New PSI3 Code
  
  
• Code Debugging
  • Code Re-compilation
  • Multiple Source Code Directories
  
  
• Documentation
• PSI3 Reference
• Text Files in PSI3
• About this document ...