Keith Briggs. Implementing exact real arithmetic in python, C++ and C. Theoretical Computer Science, 351(1):74-81, 2006. [doi]
@article{Briggs06-1,
title = {Implementing exact real arithmetic in python, C++ and C},
author = {Keith Briggs},
year = {2006},
doi = {10.1016/j.tcs.2005.09.058},
url = {http://dx.doi.org/10.1016/j.tcs.2005.09.058},
researchr = {https://researchr.org/publication/Briggs06-1},
cites = {0},
citedby = {0},
journal = {Theoretical Computer Science},
volume = {351},
number = {1},
pages = {74-81},
}