pkg.soopen package index

brew / rank 7945

Install qd with Homebrew, dnf, MacPorts, pacman, apt, zypper

C++/Fortran-90 double-double and quad-double package. Version 2.3.24 via Homebrew; verified from local package data. Also installable with debian: sudo apt install libqd-dev.

install

Additional install commands

macOS

Homebrewverified · 100%
brew install qd

local Homebrew formula metadata

MacPortsverified · 94%
sudo port install qd

MacPorts ports tree · devel/qd/Portfile · source: api.github.com

Linux

Fedora dnfverified · 92%
sudo dnf install qd

Fedora Rawhide package metadata · qd · source: dl.fedoraproject.org

Arch Linux pacmanverified · 92%
sudo pacman -S qd

Arch Linux sync databases · qd · source: geo.mirror.pkgbuild.com

Debian aptverified · 92%
sudo apt install libqd-dev

Debian stable package indexes · libqd-dev · source: deb.debian.org

openSUSE zypperverified · 92%
sudo zypper install libqd0

openSUSE Tumbleweed package metadata · libqd0 · source: download.opensuse.org

overview

Package summary

C++/Fortran-90 double-double and quad-double package

Commands and aliases

  • qd-config

security posture

Risk level: green

narrow executable package without higher-risk signals.

Risk classifier

green risk · low confidence · appliance

Why

  • narrow executable package without higher-risk signals

Signals

  • metadata:no-higher-risk-signals

Install behavior

  • No Homebrew bottle metadata was recorded.

Recommended review

Before unattended agent use, check whether the tool reads plaintext credentials, writes remote state, publishes artifacts, or shells out to plugins.

executables

Installed executables

CommandKindExposureNote
qd-configexecutableindexed executableDiscovered from the local executable index.

freshness

Version and freshness

These signals separate page generation age, package-manager activity, and upstream release comparison. Version lag is warned only when an evidence URL and comparable versions are present.

page generated2026-08-03
manager version2.3.24
manager updated
local dataunknown
upstreamnot available
latest detectednot detected
  • okNo freshness warnings were generated.

install metadata

Package metadata

Package keybrew:qd
Version2.3.24
Package managerHomebrew
Homepagehttps://www.davidhbailey.com/dhbsoftware/
Bottlenot recorded
Servicenone declared

source database matches

Other package-manager records

Matches are pulled from external package-manager indexes and kept separate from local Automic Vault package links.

Debian apt95%

libqd-dev 2.3.23+dfsg.1-1.1+b2

Double-double and quad double types in C++ and F90

https://crd.lbl.gov/~dhbailey/mpdist/

sudo apt install libqd-dev
  • Section: libdevel
  • Architecture: amd64
  • Source Package: qd
  • 1 dependencies
  • normalized package name match
  • Matched by: Qd
Debian stable package indexes · deb.debian.org · Debian stable package indexes: libqd-dev from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz
Debian apt95%

libqd0t64 2.3.23+dfsg.1-1.1+b2

Double-double and quad double types in C++ and F90

https://crd.lbl.gov/~dhbailey/mpdist/

sudo apt install libqd0t64
  • Section: libs
  • Architecture: amd64
  • Source Package: qd
  • 4 dependencies
  • 1 provides
  • normalized package name match
  • Matched by: Qd
Debian stable package indexes · deb.debian.org · Debian stable package indexes: libqd0t64 from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz
Ubuntu apt95%

libqd-dev 2.3.23+dfsg.1-1.1build1

Double-double and quad double types in C++ and F90

https://crd.lbl.gov/~dhbailey/mpdist/

sudo apt install libqd-dev
  • Section: universe/libdevel
  • Architecture: amd64
  • Source Package: qd
  • 1 dependencies
  • normalized package name match
  • Matched by: Qd
Ubuntu 24.04 LTS package indexes · archive.ubuntu.com · Ubuntu 24.04 LTS package indexes: libqd-dev from https://archive.ubuntu.com/ubuntu/dists/noble/universe/binary-amd64/Packages.gz
Ubuntu apt95%

libqd0t64 2.3.23+dfsg.1-1.1build1

Double-double and quad double types in C++ and F90

https://crd.lbl.gov/~dhbailey/mpdist/

sudo apt install libqd0t64
  • Section: universe/libs
  • Architecture: amd64
  • Source Package: qd
  • 4 dependencies
  • 1 provides
  • normalized package name match
  • Matched by: Qd
Ubuntu 24.04 LTS package indexes · archive.ubuntu.com · Ubuntu 24.04 LTS package indexes: libqd0t64 from https://archive.ubuntu.com/ubuntu/dists/noble/universe/binary-amd64/Packages.gz
dnf95%

qd 2.3.24-8.fc45

Double-Double and Quad-Double Arithmetic

https://www.davidhbailey.com/dhbsoftware/

sudo dnf install qd
  • License: BSD-3-Clause-LBNL
  • Category: Unspecified
  • Architecture: i686
  • Source Package: qd
  • 6 dependencies
  • 4 provides
  • normalized package name match
  • Matched by: Qd
Fedora Rawhide package metadata · dl.fedoraproject.org · Fedora Rawhide package metadata: qd from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/07190dc5ae9f35ae73866675fed6d95fe6e8d9fe22c9d7cdf85862cb2ed24a4c-primary.xml.zst
dnf95%

qd-devel 2.3.24-8.fc45

Double-Double and Quad-Double Arithmetic

https://www.davidhbailey.com/dhbsoftware/

sudo dnf install qd-devel
  • License: BSD-3-Clause-LBNL
  • Category: Unspecified
  • Architecture: i686
  • Source Package: qd
  • 6 dependencies
  • 2 provides
  • normalized package name match
  • Matched by: Qd
Fedora Rawhide package metadata · dl.fedoraproject.org · Fedora Rawhide package metadata: qd-devel from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/07190dc5ae9f35ae73866675fed6d95fe6e8d9fe22c9d7cdf85862cb2ed24a4c-primary.xml.zst
pacman95%

qd 2.3.24-2

C++/Fortran-90 double-double and quad-double library

https://www.davidhbailey.com/dhbsoftware/

sudo pacman -S qd
  • License: BSD-3-Clause
  • Architecture: x86_64
  • 5 dependencies
  • normalized package name match
  • Matched by: Qd
Arch Linux sync databases · geo.mirror.pkgbuild.com · Arch Linux sync databases: qd from https://geo.mirror.pkgbuild.com/extra/os/x86_64/extra.db.tar.gz
zypper95%

libqd0 2.3.24-1.8

A library for nonlinear optimization

https://www.davidhbailey.com/dhbsoftware/

sudo zypper install libqd0
  • License: BSD-3-Clause-LBNL
  • Category: System/Libraries
  • Architecture: x86_64
  • Source Package: qd
  • 6 dependencies
  • 4 provides
  • normalized package name match
  • Matched by: Qd
openSUSE Tumbleweed package metadata · download.opensuse.org · openSUSE Tumbleweed package metadata: libqd0 from https://download.opensuse.org/tumbleweed/repo/oss/repodata/50b07339cb64c8ed4091bdbabddadc1ff5737b090e478818a195b40d8a3292861a879139b4a3987c31109699fde9fbf4a716367ddf4eef77da75f96e3193d6ed-primary.xml.zst
zypper95%

qd-devel 2.3.24-1.8

Development files for qd

https://www.davidhbailey.com/dhbsoftware/

sudo zypper install qd-devel
  • License: BSD-3-Clause-LBNL
  • Category: Development/Libraries/C and C++
  • Architecture: x86_64
  • Source Package: qd
  • 3 dependencies
  • 2 provides
  • normalized package name match
  • Matched by: Qd
openSUSE Tumbleweed package metadata · download.opensuse.org · openSUSE Tumbleweed package metadata: qd-devel from https://download.opensuse.org/tumbleweed/repo/oss/repodata/50b07339cb64c8ed4091bdbabddadc1ff5737b090e478818a195b40d8a3292861a879139b4a3987c31109699fde9fbf4a716367ddf4eef77da75f96e3193d6ed-primary.xml.zst
MacPorts95%

qd

sudo port install qd
  • normalized package name match
  • Matched by: Qd
MacPorts ports tree · api.github.com · MacPorts ports tree: devel/qd/Portfile from https://api.github.com/repos/macports/macports-ports/git/trees/master?recursive=1

source trail

Generated from repository data

This page is generated by av-web from the private package SQLite artifact built by scripts/generate-pkg-sqlite.py.

Combined YAML source

View the package source record on GitHub.

combined/qd.yml

Used sources

  • Geiger risk classifier
  • cross-ecosystem install command graph
  • external package-manager database matches
  • pkg.so package database
  • pkgdb category and tag curation