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4 indexed repositories · View on GitHub

arpack-ng
Collection of Fortran77 subroutines designed to solve large scale eigenvalue problems.

Fortran · 358 stars
llvm-jenkins.debian.net
Configuration for http://llvm-jenkins.debian.net/

Shell · 31 stars
llvm-toolchain-integration-test-suite
An agglomeration of integration tests for the LLVM Toolchain

C++ · 13 stars
clang.debian.net
The rebuilds of Debian with clang

PHP · 10 stars

Beginner friendly Everything

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CalculiX ccx and ARPACK Error Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

opencollab/arpack-ng#490 · 1 comment · Opened Aug 4, 2026
LLVM 22 install broken on some distros and architectures Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

opencollab/llvm-jenkins.debian.net#47 · Opened May 19, 2026
libdata/pkgconfig/parpack.pc is still installed when built without MPI Open

Difficulty 2/5 1-3 hours Newbie friendliness 58/100

opencollab/arpack-ng#480 · 2 comments · Opened Mar 8, 2026
--with-mpi-include= and --with-mpi-lib= are not respected Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

opencollab/arpack-ng#479 · 6 comments · Opened Mar 8, 2026
Build release versions for tags in new repos Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

opencollab/llvm-jenkins.debian.net#39 · Opened Jan 19, 2026
configure still searches for sgemm_ when INTERFACE64=1 and SYMBOLSUFFIX=_64 are set Open

Difficulty 4/5 3-5 days Newbie friendliness 52/100

opencollab/arpack-ng#477 · 4 comments · Opened Jul 11, 2025
failed regression check for 3.9.1 on macos sequoia Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

opencollab/arpack-ng#469 · 7 comments · Opened Sep 16, 2024
Using ifx fortran compiler from Intel 2024 oneapi gives errors during configure step Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

opencollab/arpack-ng#455 · 6 comments · Opened May 5, 2024
Fails to build with ILP64 on Alpine Linux x86_64 since arpack 3.9.0 Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

opencollab/arpack-ng#452 · 8 comments · Opened Mar 31, 2024
Tests fail to build with LTO Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

opencollab/arpack-ng#451 · 1 comment · Opened Mar 6, 2024
libparpack built without using FFLAGS when using autotools Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

opencollab/arpack-ng#448 · 2 comments · Opened Jan 27, 2024
MATRIX_MARKET tests failure with parallel make -jN check Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

opencollab/arpack-ng#439 · 5 comments · Opened Oct 18, 2023
RFE: please start making github releases Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

opencollab/arpack-ng#428 · 2 comments · Opened Aug 19, 2023
When I run massive online analysis, I get an error "Failed to load implementation from: com.github.fommil.netlib.NativeSystemARPACK". Open

Difficulty 4/5 3-5 days Newbie friendliness 20/100

opencollab/arpack-ng#422 · 3 comments · Opened Jul 28, 2023
About the parpacklib compile problem. Open

Difficulty 3/5 1-2 days Newbie friendliness 30/100

opencollab/arpack-ng#420 · 2 comments · Opened Jun 30, 2023
f2c picked up before gfortran by autoconf Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

opencollab/arpack-ng#388 · 6 comments · Opened Jan 12, 2023
bug_1315 and icb_arpack_c initialize array size through (non-const) variables Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

opencollab/arpack-ng#387 · 1 comment · Opened Jan 11, 2023
Meson support Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

opencollab/arpack-ng#381 · 3 comments · Opened Nov 21, 2022
Non consistency of the config file name and the installation subdirectory Open

Difficulty 1/5 Under an hour Newbie friendliness 55/100

opencollab/arpack-ng#353 · 2 comments · Opened Apr 27, 2022
invalid memory reference during builds for s390x Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

opencollab/arpack-ng#348 · 8 comments · Opened Apr 10, 2022
"find package.." missing in first attempt Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

opencollab/arpack-ng#331 · 1 comment · Opened Jan 19, 2022
Example of When IPARAM(1) = 0, and IDO = 3, Open

Difficulty 4/5 3-5 days Newbie friendliness 20/100

opencollab/arpack-ng#329 · Opened Dec 22, 2021
tests do not check quality of solutions Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

opencollab/arpack-ng#324 · 9 comments · Opened Oct 11, 2021
Suggestion on non-symmetric non-positive-definite real-valued generalized problems Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

opencollab/arpack-ng#313 · 5 comments · Opened Jun 22, 2021
Test different combinations of options Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

opencollab/llvm-toolchain-integration-test-suite#39 · 1 comment · Opened Jun 4, 2021
Failed to compile wannier_tools with arpack-ng on Ubuntu 20.04. Open

Difficulty 4/5 3-5 days Newbie friendliness 28/100

opencollab/arpack-ng#307 · 21 comments · 2 reactions · Opened Apr 17, 2021
Log links all 404 Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

opencollab/clang.debian.net#7 · Opened Apr 14, 2021
Zypper update failes (Opensuse Tumbleweed) Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

opencollab/arpack-ng#306 · 1 comment · Opened Apr 12, 2021
Arpack-Ng test suite crashes at `bug 142` test Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

opencollab/arpack-ng#302 · 1 comment · Opened Mar 26, 2021
limit on eigenvalue instead of number of modes Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

opencollab/arpack-ng#295 · 3 comments · Opened Feb 13, 2021
dseupd_ randomly fails on mips64el arch Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

opencollab/arpack-ng#294 · 40 comments · Opened Feb 3, 2021
MKL ERROR: Parameter 4 was incorrect on entry to DLASCL Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

opencollab/arpack-ng#291 · 1 comment · 1 reaction · Opened Jan 13, 2021
howmny = 'S' not implemented ? Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

opencollab/arpack-ng#290 · 13 comments · Opened Dec 18, 2020
Building pyarpack fails on 32-bit arch: virtual memory exhausted Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

opencollab/arpack-ng#289 · 26 comments · Opened Dec 16, 2020
Consecutive identical eigenproblems give different results Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

opencollab/arpack-ng#287 · 2 comments · Opened Oct 5, 2020
Incorrect enum to char* conversion of bmat::generalized in the ICB interface Open

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

opencollab/arpack-ng#286 · 1 comment · Opened Sep 10, 2020
Octave and warning “ARPACK library found, but does not seem to work properly; disabling eigs function” Open

Difficulty 3/5 1-2 days Newbie friendliness 20/100

opencollab/arpack-ng#284 · 2 comments · Opened Sep 1, 2020
Build static lib without blas Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

opencollab/arpack-ng#281 · 16 comments · 2 reactions · Opened Aug 7, 2020
Expectation for llvm toolchain with -rtlib=compiler-rt Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

opencollab/llvm-toolchain-integration-test-suite#23 · 1 comment · Opened May 1, 2020
Another error when building with LLVM on MacOS Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

opencollab/arpack-ng#233 · 7 comments · Opened Jan 17, 2020
Visual Studio error LNK1120 Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

opencollab/arpack-ng#227 · 17 comments · Opened Nov 16, 2019
Arpack random generator cannot be seeded Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

opencollab/arpack-ng#218 · 9 comments · 3 reactions · Opened Jul 7, 2019
For zero input matrix, fails with "starting vector is zero" Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

opencollab/arpack-ng#215 · 10 comments · Opened Jun 29, 2019
Automatic linking with openblas Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

opencollab/arpack-ng#214 · 10 comments · Opened May 26, 2019
error message could be improved when eigen isn't available Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

opencollab/arpack-ng#183 · 13 comments · Opened Jan 12, 2019
not able to compute eigenvalues for generalized non-hermitian eigenvalue problem. Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

opencollab/arpack-ng#149 · 39 comments · Opened Sep 7, 2018
Increase SONAME version numbering in line with libtool suggestions Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

opencollab/arpack-ng#140 · 4 comments · Opened Jul 5, 2018
icb_parpack_cpp test is failing on ppc64el and others archs Open

Difficulty 4/5 3-5 days Newbie friendliness 20/100

opencollab/arpack-ng#128 · 15 comments · Opened Jun 23, 2018
COMMON block variables are not initialized in pArpack Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

opencollab/arpack-ng#82 · 31 comments · Opened Feb 7, 2018
Timing statistics refer to the old 2.4 version Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

opencollab/arpack-ng#81 · 1 comment · Opened Jan 26, 2018

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