Debian 12 (Bookworm) native package

libqd-dev

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

Packages / Debian 12 (Bookworm) / libdevel / libqd-dev

[Source: qd]

Package: libqd-dev (2.3.23+dfsg.1-1)

Maintainers:

Debian Science Maintainers

External Resources:

Homepage: [crd.lbl.gov]

Similar packages:

[libqd0v5]
Double-double and quad double types in C++ and F90

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

Other Packages Related to libqd-dev:

dep: [libqd0v5] (= 2.3.23+dfsg.1-1)
Double-double and quad double types in C++ and F90
dep: [gfortran-11]
GNU Fortran compiler
dep: gfortran-mod-15
Package not available

Download libqd-dev

Architecture	Package Size	Installed Size	Files
amd64	295 KiB	1003 KiB	[list of files]
arm64	272 KiB	879 KiB	[list of files]

Package file paths (80)

Paths come from the repository package-file index for the observed builds. They describe archive/package associations, not every file that will exist on a running system after maintainer scripts, alternatives, generated state, diversions, or installation choices.

/usr/bin/qd-config
/usr/include/qd/bits.h
/usr/include/qd/c_dd.h
/usr/include/qd/c_qd.h
/usr/include/qd/dd_inline.h
/usr/include/qd/dd_real.h
/usr/include/qd/fpu.h
/usr/include/qd/inline.h
/usr/include/qd/qd_config.h
/usr/include/qd/qd_inline.h
/usr/include/qd/qd_real.h
/usr/lib/aarch64-linux-gnu/fortran/gfortran-mod-15/ddext.mod
/usr/lib/aarch64-linux-gnu/fortran/gfortran-mod-15/ddmodule.mod
/usr/lib/aarch64-linux-gnu/fortran/gfortran-mod-15/qdext.mod
/usr/lib/aarch64-linux-gnu/fortran/gfortran-mod-15/qdmodule.mod
/usr/lib/aarch64-linux-gnu/libqd.a
/usr/lib/aarch64-linux-gnu/libqd_f_main.a
/usr/lib/aarch64-linux-gnu/libqd_f_main.so
/usr/lib/aarch64-linux-gnu/libqdmod.a
/usr/lib/aarch64-linux-gnu/libqdmod.so
/usr/lib/aarch64-linux-gnu/libqd.so
/usr/lib/aarch64-linux-gnu/pkgconfig/qd.pc
/usr/lib/x86_64-linux-gnu/fortran/gfortran-mod-15/ddext.mod
/usr/lib/x86_64-linux-gnu/fortran/gfortran-mod-15/ddmodule.mod
/usr/lib/x86_64-linux-gnu/fortran/gfortran-mod-15/qdext.mod
/usr/lib/x86_64-linux-gnu/fortran/gfortran-mod-15/qdmodule.mod
/usr/lib/x86_64-linux-gnu/libqd.a
/usr/lib/x86_64-linux-gnu/libqd_f_main.a
/usr/lib/x86_64-linux-gnu/libqd_f_main.so
/usr/lib/x86_64-linux-gnu/libqdmod.a
/usr/lib/x86_64-linux-gnu/libqdmod.so
/usr/lib/x86_64-linux-gnu/libqd.so
/usr/lib/x86_64-linux-gnu/pkgconfig/qd.pc
/usr/share/doc/libqd-dev/changelog.Debian.gz
/usr/share/doc/libqd-dev/changelog.gz
/usr/share/doc/libqd-dev/copyright
/usr/share/doc/libqd-dev/examples/huge.cpp
/usr/share/doc/libqd-dev/examples/Makefile.sample
/usr/share/doc/libqd-dev/examples/pslq.h
/usr/share/doc/libqd-dev/examples/pslq_test.cpp
/usr/share/doc/libqd-dev/examples/qd_test.cpp
/usr/share/doc/libqd-dev/examples/qd_timer.cpp
/usr/share/doc/libqd-dev/examples/quadt.h
/usr/share/doc/libqd-dev/examples/quadt_test.cpp
/usr/share/doc/libqd-dev/examples/tictoc.cpp
/usr/share/doc/libqd-dev/examples/tictoc.h
/usr/share/doc/libqd-dev/Makefile
/usr/share/doc/libqd-dev/nine-two-sum.eps.gz
/usr/share/doc/libqd-dev/nine-two-sum.fig.gz
/usr/share/doc/libqd-dev/normal_sum_prod.eps.gz
/usr/share/doc/libqd-dev/normal_sum_prod.fig
/usr/share/doc/libqd-dev/qd_add.eps.gz
/usr/share/doc/libqd-dev/qd_add.fig.gz
/usr/share/doc/libqd-dev/qd_add_proof.eps.gz
/usr/share/doc/libqd-dev/qd_add_proof.fig.gz
/usr/share/doc/libqd-dev/qd_add_qd_d.eps.gz
/usr/share/doc/libqd-dev/qd_add_qd_d.fig
/usr/share/doc/libqd-dev/qd.bib
/usr/share/doc/libqd-dev/qd_mul_accum.eps.gz
/usr/share/doc/libqd-dev/qd_mul_accum.fig.gz
/usr/share/doc/libqd-dev/qd_mul_qd_d.eps.gz
/usr/share/doc/libqd-dev/qd_mul_qd_d.fig.gz
/usr/share/doc/libqd-dev/qd.tex.gz
/usr/share/doc/libqd-dev/quick-two-sum.eps.gz
/usr/share/doc/libqd-dev/quick-two-sum.fig
/usr/share/doc/libqd-dev/README.Debian
/usr/share/doc/libqd-dev/six-three-sum.eps.gz
/usr/share/doc/libqd-dev/six-three-sum.fig
/usr/share/doc/libqd-dev/three-sum-2.eps.gz
/usr/share/doc/libqd-dev/three-sum-2.fig
/usr/share/doc/libqd-dev/three-sum-3.eps.gz
/usr/share/doc/libqd-dev/three-sum-3.fig
/usr/share/doc/libqd-dev/three-sum.eps.gz
/usr/share/doc/libqd-dev/three-sum.fig
/usr/share/doc/libqd-dev/two-prod.eps.gz
/usr/share/doc/libqd-dev/two-prod.fig
/usr/share/doc/libqd-dev/two-sum.eps.gz
/usr/share/doc/libqd-dev/two-sum.fig
/usr/share/doc/qd/README.gz
/usr/share/man/man1/qd-config.1.gz

Field source: Debian 12 (Bookworm) main amd64 revision bookworm-main-amd64:9e0b5aabb2465b3d2e7a7fe27f9913846277833f7a2826e7767acccff5b588c5

Use this package

OpenFactory can boot this operating system in a browser VM, or start a build that includes the native package name from this record.

Try Debian 12 (Bookworm) in the browser Build an image that includes libqd-dev

Versions, suites, and repositories

Each row is recorded package-index metadata for one version, architecture, suite, and repository. Names, URLs, and sizes are source-reported; a link is a potentially mutable retrieval location, not an OpenFactory redistribution claim or proof that OpenFactory retained the artifact bytes.

Version	Release	Architecture	Repository	Package size	Installed size	Publisher repository artifact
2.3.23+dfsg.1-1	bookworm / main	amd64	Debian 12 · main · amd64	295 KiB	1003 KiB	pool/main/q/qd/libqd-dev_2.3.23+dfsg.1-1_amd64.deb
2.3.23+dfsg.1-1	bookworm / main	arm64	Debian 12 · main · arm64	272 KiB	879 KiB	pool/main/q/qd/libqd-dev_2.3.23+dfsg.1-1_arm64.deb

Field source: Debian 12 (Bookworm) main amd64 revision bookworm-main-amd64:9e0b5aabb2465b3d2e7a7fe27f9913846277833f7a2826e7767acccff5b588c5

Checksums and observation dates

For an APT source, signature verification authenticates the repository metadata chain and the Packages index containing this source-reported artifact digest. It does not certify package safety.

2.3.23+dfsg.1-1 / amd64Observed Sep 1, 2026 to Sep 1, 2026

Verification status: Metadata observed; artifact bytes were not independently fetched or hashed by this catalog import. The digest below is source-reported.

Source-reported sha256: 7db5cf526351e17165e9276b79384dec25cc0ad73b9a4a2bfb7233806ef1107a

After downloading that exact artifact, compare its bytes with the source-reported expected digest:

printf '%s  %s\n' '7db5cf526351e17165e9276b79384dec25cc0ad73b9a4a2bfb7233806ef1107a' 'libqd-dev_2.3.23+dfsg.1-1_amd64.deb' | sha256sum --check --strict -

A match establishes equality with the repository metadata value. It does not establish safety or catalog-side artifact retrieval.

Field source: Debian 12 (Bookworm) main amd64 revision bookworm-main-amd64:9e0b5aabb2465b3d2e7a7fe27f9913846277833f7a2826e7767acccff5b588c5

2.3.23+dfsg.1-1 / arm64Observed Sep 1, 2026 to Sep 1, 2026

Verification status: Metadata observed; artifact bytes were not independently fetched or hashed by this catalog import. The digest below is source-reported.

Source-reported sha256: 4d5140368ed56bd1e3d5b3ed72566d208e68cfbabffa47a9f44004c42f9315b5

After downloading that exact artifact, compare its bytes with the source-reported expected digest:

printf '%s  %s\n' '4d5140368ed56bd1e3d5b3ed72566d208e68cfbabffa47a9f44004c42f9315b5' 'libqd-dev_2.3.23+dfsg.1-1_arm64.deb' | sha256sum --check --strict -

A match establishes equality with the repository metadata value. It does not establish safety or catalog-side artifact retrieval.

Field source: Debian 12 (Bookworm) main arm64 revision bookworm-main-arm64:2ddb1737692e8c45c53e8d57c0ce4cd21c78c5703b830c3226b1423566a06c00

Catalog record completeness

The completeness score measures metadata coverage, not software quality, security, compatibility, or suitability.

Summary and description: 25/25
Artifact path and source digest: 25/25
Dependency metadata: 15/15
Package-file index: 15/15
Homepage: 5/5
License text: 0/5
Source package or maintainer: 10/10

Recorded total: 95/100

Field source: Debian 12 (Bookworm) main amd64 revision bookworm-main-amd64:9e0b5aabb2465b3d2e7a7fe27f9913846277833f7a2826e7767acccff5b588c5, Debian 12 (Bookworm) main arm64 revision bookworm-main-arm64:2ddb1737692e8c45c53e8d57c0ce4cd21c78c5703b830c3226b1423566a06c00. The cross-OS mapping is catalog-derived from the source-reported homepage; it does not establish authorship or publisher identity

Sources and provenance

Field-source links above resolve here. Each source entry names the metadata publisher, trust tier, exact snapshot revision, signature result, and observation time; catalog-derived mappings are labeled separately.

Debian 12 (Bookworm) main amd64Sep 1, 2026
Authoritative source; repository metadata signature verified, revision bookworm-main-amd64:9e0b5aabb2465b3d2e7a7fe27f9913846277833f7a2826e7767acccff5b588c5
Signature verification covers the configured repository metadata chain. It does not certify that the package is safe or suitable.
Repository-signature verification record
Signed object
https://deb.debian.org/debian/dists/bookworm/InRelease
Signed-object SHA-256
77737fa4b34f2693e982cc9ee35736816c35a7778fc2d326cc1bbf5b301fe1aa
Signer fingerprint
4CB50190207B4758A3F73A796ED0E7B82643E131
Keyring revision
debian-archive-keyring.gpg
SHA-256 506b815cbb32d9b6066b4a2aa524071e071761e7e7f68c3ac74f3061ba852017
Tool and policy
gpgv (GnuPG) 2.4.9
openfactory-software-catalog-signature-v1
Verification time
Sep 1, 2026
Signed Release → package-index hash linkage
Path: main/binary-amd64/Packages.xz
Expected SHA-256: 9e0b5aabb2465b3d2e7a7fe27f9913846277833f7a2826e7767acccff5b588c5
Observed SHA-256: 9e0b5aabb2465b3d2e7a7fe27f9913846277833f7a2826e7767acccff5b588c5
Result: match verified
Debian 12 (Bookworm) main arm64Sep 1, 2026
Authoritative source; repository metadata signature verified, revision bookworm-main-arm64:2ddb1737692e8c45c53e8d57c0ce4cd21c78c5703b830c3226b1423566a06c00
Signature verification covers the configured repository metadata chain. It does not certify that the package is safe or suitable.
Repository-signature verification record
Signed object
https://deb.debian.org/debian/dists/bookworm/InRelease
Signed-object SHA-256
77737fa4b34f2693e982cc9ee35736816c35a7778fc2d326cc1bbf5b301fe1aa
Signer fingerprint
4CB50190207B4758A3F73A796ED0E7B82643E131
Keyring revision
debian-archive-keyring.gpg
SHA-256 506b815cbb32d9b6066b4a2aa524071e071761e7e7f68c3ac74f3061ba852017
Tool and policy
gpgv (GnuPG) 2.4.9
openfactory-software-catalog-signature-v1
Verification time
Sep 1, 2026
Signed Release → package-index hash linkage
Path: main/binary-arm64/Packages.xz
Expected SHA-256: 2ddb1737692e8c45c53e8d57c0ce4cd21c78c5703b830c3226b1423566a06c00
Observed SHA-256: 2ddb1737692e8c45c53e8d57c0ce4cd21c78c5703b830c3226b1423566a06c00
Result: match verified