README.md

usg

Tiny program for generating Ulam Spiral and writing it as simple image file.
Currently supporting uncompressed .bmp and .ppm files.
This project has no external dependency (besides libC itself).

BUILDING

EITHER, with GNU/make on POSIX (Linux, MacOSX, MinGW, etc):

$ git clone https://github.com/sleeptightAnsiC/usg.git
$ cd usg
$ make

OR, with any C99-capable compiler:

$ cc src/*.c

REFERENCES

• https://en.wikipedia.org/wiki/Prime_number
• https://en.wikipedia.org/wiki/List_of_prime_numbers
• https://en.wikipedia.org/wiki/Generation_of_primes
• https://en.wikipedia.org/wiki/Sieve_of_Eratosthenes
• https://en.wikipedia.org/wiki/BMP_file_format
• https://en.wikipedia.org/wiki/Netpbm

LICENSE

Copyright holder: https://github.com/sleeptightAnsiC
Code under this repository is licensed under permissive MIT/X license