emscripten-core/emscripten

Document long double printing issues (was: std::numeric_limits<long double>::max() returns infinity)

Open

#12,720 opened on Nov 6, 2020

View on GitHub
 (27 comments) (0 reactions) (0 assignees)C++ (3,519 forks)batch import
good first bughelp wantedwontfix

Repository metrics

Stars
 (27,361 stars)
PR merge metrics
 (Avg merge 19d 10h) (147 merged PRs in 30d)

Description

According to the spec, this value should be finite: https://en.cppreference.com/w/cpp/types/numeric_limits/max. This is with Emscripten 2.0.8.

Contributor guide

Research direction
Investigate how Emscripten's libcxx implements numeric limits<long double> and how long double values are formatted for output. Check the test case for std::numeric limits<long double>::max() and trace the code path in the Emscripten standard library.
Tech stack
cpp
Domain
compilers
Issue type
Bug
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.
Half day
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++
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
55