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Tracking Issue for exposing float mask constants #154064

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Tracking Issue for exposing float mask constants#154064
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C-tracking-issueCategory: An issue tracking the progress of sth. like the implementation of an RFCS-tracking-unimplementedStatus: The feature has not been implemented.T-libs-apiRelevant to the library API team, which will review and decide on the PR/issue.
@Apersoma

Description

@Apersoma
Apersoma
opened on Mar 19, 2026

Feature gate: #![feature(...)] not currently extant

This is a tracking issue for exposing constants for masking parts of floating point numbers.

Public API

pub const SIGN_MASK: u32 = 0x8000_0000;

pub const EXPONENT_MASK: u32 = 0x7f80_0000;

pub const MANTISSA_MASK: u32 = 0x007f_ffff;

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(Remember to update the S-tracking-* label when checking boxes.)

Unresolved Questions

  • None at this time/

Footnotes

  1. https://std-dev-guide.rust-lang.org/feature-lifecycle/stabilization.html ↩

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    C-tracking-issueCategory: An issue tracking the progress of sth. like the implementation of an RFCS-tracking-unimplementedStatus: The feature has not been implemented.T-libs-apiRelevant to the library API team, which will review and decide on the PR/issue.

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