feat: FP stability CI (Verrou) + reduced-energy scheme + HLLC xi-factor fix#1403

Merged

sbryngelson merged 36 commits into

MFlowCode:masterfrom

sbryngelson:fp-stability

May 10, 2026

Commits on May 6, 2026

feat: add fp-stability command for Verrou-based FP instability testing
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ci: add weekly FP stability workflow using Verrou
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ci: trigger fp-stability on every push
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ci: remove concurrency group from fp-stability
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style: collapse multi-line raise ValueError to satisfy CI ruff formatter
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feat: add sod_standard baseline, enlarge cases, run dd_sym on failure
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feat: add float proxy, VPREC sweep, dd_line, air_water_interface case
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fix: add missing air_water_interface case input files
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fix: add alpha(2) for both patches in air_water_interface pre_process.inp
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fix: add reduced-energy (E-tilde) scheme for model_eqns=2 FP stability
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ci: increase fp-stability case step counts to 50 for better sweep coverage
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revert: remove reduced-energy (E-tilde) scheme — moving to separate PR
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fix: protect HLLC xi-factor denominators from division by zero with sgm_eps
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ci: loosen water_stiffened threshold to 1e-8 until Etilde scheme merges
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ci: GitHub step summary, file annotations, and float-proxy metric in fp-stability
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ci: remove pass/fail markers from VPREC sweep table
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fix: move cons.unindent into finally block; use MFC_ROOT_DIR in _find_binary
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ci: always run dd_line to surface FP hotspots on every run
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ci: add bubble_rp and low_mach FP cases; fix dd threshold to use median
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fix: bubble_rp pre_process.inp (remove bubble_model); loosen low_mach threshold to 1e-7
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fix: loosen bubble_rp threshold to 1e-8 (RP ODE cancellation observed ~2e-9)
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Commits on May 7, 2026

Commits on May 8, 2026

Commits on May 9, 2026