Decision Workspace
num-iter vs num-dual vs num-complex
Side-by-side comparison of Rust crates
56
num-iter
growingv0.1.45
External iterators for generic mathematics
66
num-dual
growingv0.13.7
Generalized (hyper) dual numbers for the calculation of exact (partial) derivatives
62
num-complex
growingv0.4.6
Complex numbers implementation for Rust
Core Metrics
| num-iter | num-dual | num-complex | |
|---|---|---|---|
| Health Score | 56 | 66 | 62 |
| Total Downloads | 270.5M | 124.6K | 274.8M |
| 30d Downloads | 21.9M | 16.2K | 21.7M |
| Dependents | 372 | 268 | 8.7K |
| Releases | 14 | 33 | 26 |
| Last Updated | 752d ago | 4d ago | 486d ago |
| Age | 10y 1m | 4y 10m | 10y 1m |
Health Breakdown
num-iter
Maintenance
5
Quality
17
Community
12
Popularity
8
Documentation
14
num-dual
Maintenance
20
Quality
13
Community
15
Popularity
6
Documentation
12
num-complex
Maintenance
8
Quality
17
Community
14
Popularity
8
Documentation
15
Technical Details
| num-iter | num-dual | num-complex | |
|---|---|---|---|
| Version | 0.1.45 | 0.13.7 | 0.4.6 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT OR Apache-2.0 | MIT OR Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 3 | 10 | 6 |
| Crate Size | 10KB | 257KB | 30KB |
| Features | 3 | 3 | 8 |
| Yanked % | 0.0% | 3.0% | 0.0% |
| Edition | 2018 | 2024 | 2021 |
| MSRV | 1.31 | 1.87 | 1.60 |
| Owners | 1 | 2 | 1 |
Links
Quick Verdict
- •num-dual leads with a health score of 66/100, but none of the options score above 80.
- •num-complex has the most downloads (274.8M), suggesting wider adoption.
- •num-complex is depended on by 8.7K crates — strongest ecosystem trust.
- •⚠ num-iter, num-complex have not been updated in over a year.