Cargo Features

[dependencies]
kahan_pairs = { version = "1.0.1", default-features = false, features = ["std", "libm"] }
default = std

The std feature is set by default whenever kahan_pairs is added without default-features = false somewhere in the dependency tree.

std default

Features from optional dependencies

libm implicit feature

Enables libm

libm:

libm in pure Rust