Decision Workspace
qd vs f256 vs xprec
Side-by-side comparison of Rust crates
45
qd
growingv0.8.0
Extended precision floating point arithmetic
60
f256
growingv0.11.2
Octuple-precision floating-point arithmetic.
51
xprec
experimentalv0.2.2
Fast emulated quadruple (double-double) precision arithmetic
Core Metrics
| qd | f256 | xprec | |
|---|---|---|---|
| Health Score | 45 | 60 | 51 |
| Total Downloads | 921.8K | 19.6K | 5.2K |
| 30d Downloads | 361.3K | 515 | 1.4K |
| Dependents | 6 | 98 | 9 |
| Releases | 17 | 15 | 3 |
| Last Updated | 133d ago | 31d ago | 122d ago |
| Age | 2y 10m | 3y | 5m |
Health Breakdown
qd
Maintenance
12
Quality
11
Community
5
Popularity
7
Documentation
10
f256
Maintenance
16
Quality
15
Community
11
Popularity
5
Documentation
13
xprec
Maintenance
13
Quality
13
Community
11
Popularity
4
Documentation
10
Technical Details
| qd | f256 | xprec | |
|---|---|---|---|
| Version | 0.8.0 | 0.11.2 | 0.2.2 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT | non-standard | MIT |
| Dependencies | 4 | 7 | 5 |
| Crate Size | 10KB | 366KB | 34KB |
| Features | 2 | 2 | 0 |
| Yanked % | 23.5% | 0.0% | 0.0% |
| Edition | 2021 | 2021 | 2024 |
| MSRV | — | 1.86.0 | — |
| Owners | 1 | 1 | 2 |
Links
Quick Verdict
- •f256 leads with a health score of 60/100, but none of the options score above 80.
- •qd has the most downloads (921.8K), suggesting wider adoption.