float-data — Numeric data examples

This repository contains a set of plain text files with numeric data samples. The files are stored in the number_files/ directory.

Contents

• number_files/ — directory containing the following files:
  • number_files/canada.txt — text extracted from a GeoJSON-style dataset representing geographic data for Canada (contains coordinates and feature attributes).
  • number_files/marine_ik.txt — numeric data related to a marine inverse-kinematics example (used for testing numeric parsing and algorithms).
  • number_files/mesh.txt — numeric representation of a 3D mesh (vertices, indices or related mesh data for testing mesh processing).
  • number_files/numbers.txt — a collection of numeric values ranging from 0 to 1, useful for tes
  • number_files/bitcoin.txt — daily close prices of bitcoin in USD from 2020-01-01 to 2022-07-31.

Quick usage

You can list or inspect the files with these shell commands:

ls -l number_files/
head -n 30 number_files/canada.txt

Citation

If you use this dataset in research or a publication, please cite it.

Example BibTeX entry:

@misc{float-data,
  title = {float-data: A collection of floating-point numbers},
  author = {Jaël Champagne Gareau and Daniel Lemire},
  year = {2025},
  howpublished = {\url{https://github.com/fastfloat/float-data}}
}