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[package]
authors = ["Jorge Aparicio <jorge@japaric.io>"]
categories = ["no-std"]
description = "libm in pure Rust"
documentation = "https://docs.rs/libm"
keywords = ["libm", "math"]
license = "MIT"
name = "libm"
readme = "README.md"
repository = "https://github.com/rust-lang/compiler-builtins"
version = "0.2.15"
edition = "2021"
rust-version = "1.63"
[features]
default = ["arch"]
# Enable architecture-specific features such as SIMD or assembly routines.
arch = []
# This tells the compiler to assume that a Nightly toolchain is being used and
# that it should activate any useful Nightly things accordingly.
unstable = ["unstable-intrinsics", "unstable-float"]
# Enable calls to functions in `core::intrinsics`
unstable-intrinsics = []
# Make some internal things public for testing.
unstable-public-internals = []
# Enable the nightly-only `f16` and `f128`.
unstable-float = []
# Used to prevent using any intrinsics or arch-specific code.
#
# HACK: this is a negative feature which is generally a bad idea in Cargo, but
# we need it to be able to forbid other features when this crate is used in
# Rust dependencies. Setting this overrides all features that may enable
# hard float operations.
force-soft-floats = []
[dev-dependencies]
no-panic = "0.1.35"
[lints.rust]
unexpected_cfgs = { level = "warn", check-cfg = [
# compiler-builtins sets this feature, but we use it in `libm`
'cfg(feature, values("compiler-builtins"))',
] }
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