Fortran 90

Quick links:

• Summary of the language: http://www.cs.umbc.edu/~squire/fortranclass/summary.shtml
• Language features: http://en.wikipedia.org/wiki/Fortran_95_language_features
• WG5 Fortran Standards Home: https://wg5-fortran.org/
• FORTRAN 66 standard: https://wg5-fortran.org/ARCHIVE/Fortran66.pdf
• FORTRAN 77 standard: https://wg5-fortran.org/ARCHIVE/Fortran77.html
• Fortran 90 standard: https://wg5-fortran.org/N001-N1100/N692.pdf
• Fortran 95 standard: https://wg5-fortran.org/N1151-N1200/N1191.pdf
• Fortran 2003 standard: https://wg5-fortran.org/N1601-N1650/N1601.pdf
• Fortran 2008 standard: https://j3-fortran.org/doc/year/10/10-007r1.pdf
• Fortran 2018 standard: https://j3-fortran.org/doc/year/18/18-007r1.pdf

Contents:

• About
• Fortran Best Practices
  • Fortran Style Guide
  • Floating Point Numbers
  • Integer Division
  • Modules and Programs
  • Arrays
  • Multidimensional Arrays
  • Element-wise Operations on Arrays Using Subroutines/Functions
  • Allocatable Arrays
  • File Input/Output
  • Interfacing with C
  • Interfacing with Python
  • Callbacks
  • Type Casting in Callbacks
  • Parallel programming
• Python Fortran Rosetta Stone
  • How to Execute Code Snippets
  • Arrays
  • Modules
  • Floating Point Numbers
  • Math and Complex Numbers
  • Strings and Formatting
  • Nested Functions
  • Control flow in loops
  • Examples
• FAQ
  • What is the advantage of using Fortran (as opposed to for example C/C++)?
  • What are good books to learn Fortran from?
  • What are other good online Fortran resources?
  • How to do dynamic dispatch in Fortran (like ‘void *’ in C)?
  • How to interface Fortran with C and Python?
  • What is the most natural way to handle initial and final points of intervals?
  • What is the most natural starting index for numbering?
  • Why does Fortran default array indexing start at 1?
  • What is the motivation behind Fortran numbering convention?
  • What is the motivation behind the C/Python numbering convention?
  • Does Fortran support closures?
  • Does Fortran support nested functions?
  • How to implement functions that operate on arbitrary shape arrays?
  • Are Fortran compilers ABI compatible?
  • What is the best way to distribute and install Fortran libraries?
  • Does Fortran warn you about undefined symbols?
  • What is the equivalent of the C header files in Fortran?
  • What compiler options should I use for development?
  • What compiler options should I use for production run?
  • How do I indent free-form Fortran source code in a consistent manner automatically?
• Gotchas
  • Variable Initialization Using Initialization Expression
  • Floating Point Numbers
  • C/Fortran Interoperability of Logical
• Contributors

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