emscripten-core/emscripten

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

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#12,720 opened on Nov 6, 2020

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

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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