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Last update: 21/04/2026

num-cmp

Comparison between differently typed numbers in Rust

Latest version: 0.1.0 registry icon
Maintenance score
0
Safety score
0
Popularity score
70
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Security
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Version Suggest Low Medium High Critical
0.1.0 0 0 0 0 0

Stability
Latest release:

0.1.0 - This version may not be safe as it has not been updated for a long time. Find out if your coding project uses this component and get notified of any reported security vulnerabilities with Meterian-X Open Source Security Platform

Licensing

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MIT   -   MIT License

Not a wildcard

Not proprietary

OSI Compliant

Apache-2.0   -   Apache License 2.0

Not a wildcard

Not proprietary

OSI Compliant

num-cmp

The NumCmp trait for comparison between differently typed numbers.

use std::f32;
use std::cmp::Ordering;
use num_cmp::NumCmp;

assert!(NumCmp::num_eq(3u64, 3.0f32));
assert!(NumCmp::num_lt(-4.7f64, -4i8));
assert!(!NumCmp::num_ge(-3i8, 1u16));

// 40_000_000 can be exactly represented in f32, 40_000_001 cannot
assert_eq!(NumCmp::num_cmp(40_000_000.0f32, 40_000_000u32), Some(Ordering::Equal));
assert_ne!(NumCmp::num_cmp(40_000_001.0f32, 40_000_001u32), Some(Ordering::Equal));
assert_eq!(NumCmp::num_cmp(f32::NAN,        40_000_002u32), None);

The i128 Cargo feature can be enabled in nightly to get support for i128 and u128 types as well, which is being implemented in Rust issue #35118.