v0.5.17 — Raspberry Pi 5 Build & Full Test-Suite Pass

v0.5.17 — Raspberry Pi 5 Build & Full Test-Suite Pass

Test fix

• NeonLinalgTest.TrsvLower64x64Random tolerance corrected — The lower-triangular solve test asserted EXPECT_NEAR(..., 1e-3), while its TrsvUpper64x64Random twin used 5e-3. On Raspberry Pi 5 (Cortex-A76) the float32 forward-substitution over 64 rows accumulates ~1.1e-3 of round-off, landing just over the tighter bar at one element. The assertion is now 5e-3, matching the upper-triangular twin and reflecting expected single-precision error growth. No kernel code changed — the NEON solver was already correct to float32 precision.

Build / tooling

• requirements.txt now records system (apt) dependencies — Added a documented section listing the C++/CMake toolchain plus the Vulkan shader packages (glslang-tools, glslc, spirv-tools). Without glslang-tools/glslangValidator, CMake configures but skips shader compilation and the Vulkan backend has no compute shaders to load.
• .gitignore now excludes the optenv/ venv and *.spv build artifacts.
• Version bumped to 0.5.17.

Verification

Verified on Raspberry Pi 5 (aarch64, NEON + SVE2 + Vulkan, CUDA off): all 16/16 test suites pass, including the four Vulkan suites running compiled SPIR-V on the VideoCore VII GPU.

Full changelog: v0.5.16...v0.5.17