AcademySoftwareFoundation/Imath

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Imath is a C++ and python library of 2D and 3D vector, matrix, and math operations for computer graphics

Stars: 488
Forks: 161
Open beginner issues: 0
Indexed issues: 53
Avg merge: 1d 3h
Merged PRs (30d): 3

Dominant language: C++
License: BSD-3-Clause
Last GitHub push: Aug 18, 2026
Latest indexed: Sep 14, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: good first issue help wanted

Open All

53 open issues indexed

mark half(float) constructor as explicit Open

AcademySoftwareFoundation/Imath#561 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Investigate performance metrics Open

AcademySoftwareFoundation/Imath#6 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Set up clang-format build target Open

CI

AcademySoftwareFoundation/Imath#8 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Investigate a header-only version of Imath Open

AcademySoftwareFoundation/Imath#13 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Publish Python WHLs on Pypi Open

AcademySoftwareFoundation/Imath#22 · 2 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Improve structure element access idiom for vectorizing compilers Open

AcademySoftwareFoundation/Imath#26 · 6 comments · 2 reactions · 0 assignees · Indexed Sep 14, 2026
Set up clang-format GitHub Action Open

CI

AcademySoftwareFoundation/Imath#34 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
CI on Mac & Windows are not building the python bindings Open

CI

AcademySoftwareFoundation/Imath#61 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Nonsensical Matrix22::multDirMatrix Open

AcademySoftwareFoundation/Imath#62 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Imath python bindings are missing VecN * MatrixNN Open

AcademySoftwareFoundation/Imath#63 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
assert half assumptions Open

AcademySoftwareFoundation/Imath#118 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Several warnings on Linux when using boost-1.75.0 Open

good first issue

AcademySoftwareFoundation/Imath#124 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
ImathMath std::hypot at android ndk r15b is not exist Open

AcademySoftwareFoundation/Imath#148 · 11 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Test failure on Fedora i686 Open

AcademySoftwareFoundation/Imath#151 · 18 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Unnecessary ImathConfig-<build_type>.cmake file installed Open

AcademySoftwareFoundation/Imath#188 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Please do NOT bump library versions without functional changes Open

libtool

AcademySoftwareFoundation/Imath#189 · 24 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
OpenTimelineIO needs "exclusive" math for Imath::Box Open

AcademySoftwareFoundation/Imath#210 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Deprecate Imath::succf/predf in favor of std::nextafter/nextoward Open

AcademySoftwareFoundation/Imath#211 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
imath_half_to_float_table not properly exported from DLL Open

bug build windows

AcademySoftwareFoundation/Imath#212 · 29 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
./src/ImathTest/testMatrix.cpp:116: void testMatrix(): Assertion `m3 == m2' failed. Open

AcademySoftwareFoundation/Imath#226 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Error compiling with nvcc Open

AcademySoftwareFoundation/Imath#234 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Gracefully deprecate halfLimits.h Open

AcademySoftwareFoundation/Imath#258 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Linker error on building Imath python with Boost Python Open

bug build windows

AcademySoftwareFoundation/Imath#271 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
MinGW warning: writing 8 bytes into a region of size 0 [-Wstringop-overflow=] Open

AcademySoftwareFoundation/Imath#273 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
MinGW note: destination object of size 0 allocated by 'operator new []' Open

bug

AcademySoftwareFoundation/Imath#274 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Imath.half_c_only failure on windows Open

AcademySoftwareFoundation/Imath#283 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Error compiling tests using glibc 2.17 Open

AcademySoftwareFoundation/Imath#286 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Error building PyImath on Windows Open

AcademySoftwareFoundation/Imath#287 · 10 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Can't build PyImath_d on Windows without debug Python build Open

AcademySoftwareFoundation/Imath#288 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
PyImath CMake targets are not relocatable Open

AcademySoftwareFoundation/Imath#289 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
No PDB files installed on Windows Open

AcademySoftwareFoundation/Imath#290 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
ImathTest does not build with Apple Clang C++ 20 Open

AcademySoftwareFoundation/Imath#297 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
MinGW ld.lld: error: too many exported symbols Open

AcademySoftwareFoundation/Imath#312 · 8 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Target "PyImathTestC" links to: Imath::PyImath_Python3_7 Error Open

AcademySoftwareFoundation/Imath#316 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Don't reopen namespace std with std::numeric_limits<half> Open

AcademySoftwareFoundation/Imath#322 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
PyImathFixedVArray: argument 1 value exceeds maximum object size Open

AcademySoftwareFoundation/Imath#323 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
PyImath Bindings fail to build when using Clang on Windows (Release branch, 3.17, issue still present on Main) Open

AcademySoftwareFoundation/Imath#324 · 10 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
fp32 to f16 benchmarking Open

AcademySoftwareFoundation/Imath#343 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Add tests for baseTypeLowest/Max/Smallest/Epsilon Open

good first issue

AcademySoftwareFoundation/Imath#348 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
IMATH_HOSTDEVICE for hsv2rgb() ? Open

AcademySoftwareFoundation/Imath#370 · 3 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
SonarCloud Analysis broken by recent update to sonar-scanner Open

AcademySoftwareFoundation/Imath#374 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Alembic Windows compilation Python3.9.10 `called with non-existent target "Imath::PyImath_Python3_9".` Open

AcademySoftwareFoundation/Imath#395 · 13 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
redefinition of `half` in `imath` when using with `hip-runtime-amd` Open

AcademySoftwareFoundation/Imath#412 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Set up a wheel workflow for python bindings Open

AcademySoftwareFoundation/Imath#432 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Prototype nanobind bindings for Imath Open

AcademySoftwareFoundation/Imath#433 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
CMake - the project is never up-to-date on `IMATH_INSTALL` enabled because of timestamp issues Open

help wanted

AcademySoftwareFoundation/Imath#437 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
PyBind11 CMake needs to install the shared library with the proper name Open

AcademySoftwareFoundation/Imath#438 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Imath::Vec should use "= default" for copy constructor and assignment operator. Open

AcademySoftwareFoundation/Imath#460 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Add a simple CUDA test to the CI Open

good first issue help wanted

AcademySoftwareFoundation/Imath#478 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
ImathTest fails on mingw32 Open

help wanted windows

AcademySoftwareFoundation/Imath#493 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026

AcademySoftwareFoundation/Imath

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