llvm/llvm-project

Implement fixed point fxdivi functions in llvm-libc

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#129,126 opened on Feb 27, 2025

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 (18 comments) (0 reactions) (1 assignee)C++ (10,782 forks)batch import
good first issuelibc

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Description

ISO 18037 describes various fixed point fxdivi functions which divide an integer by an integer and returns a fixed point type.

Contributor guide

Research direction
Study ISO 18037 specification for fxdivi functions, examine existing fixed point implementations in llvm libc for patterns, and understand the division semantics for fixed point types.
Tech stack
ccpp
Domain
backendtooling
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-2 days
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
C++Fixed point arithmetic
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
60