CypherNaugh_0xandClaude Opus 5.5
5249ae84ef
Moving a body transforms its intersection-curve edges, and truck-geometry 0.5.0 scales each curve's tolerance by the operator norm of the matrix. matext4cgmath 0.1.0 computes it from eigenvalues through a quartic whose Newton refinement loops while the residual is above a tolerance and never gives up. For a translation matrix all four eigenvalues are 1, and near that quadruple root the iteration can cycle forever (about one translation in eight of the boolean retries' shifts, by a scan of sizes 0.1-2000 mm). matext4cgmath is vendored with both Newton loops stopped after 100 steps (vendor/README.md, ATTRIBUTION.md). truck master no longer computes the norm in transform_by, so the vendored copy can go once a truck release after 0.5.0 is adopted. Tests: moving_a_body_with_an_intersection_curve_edge_ends (kernel) cuts a cylinder with a tilted box and moves the result by one of the shifts that hung (hangs on main). examples/regressions/oblique_cut_of_cylinder_hang.json is the variant of the oblique cut that hung the app; it hangs on main, and since the previous commit it passes without reaching the shifted retries, so it is replayed by the engine test as a scenario only. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
41 lines
1.1 KiB
TOML
41 lines
1.1 KiB
TOML
# THIS FILE IS AUTOMATICALLY GENERATED BY CARGO
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#
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# When uploading crates to the registry Cargo will automatically
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# "normalize" Cargo.toml files for maximal compatibility
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# with all versions of Cargo and also rewrite `path` dependencies
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# to registry (e.g., crates.io) dependencies.
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#
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# If you are reading this file be aware that the original Cargo.toml
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# will likely look very different (and much more reasonable).
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# See Cargo.toml.orig for the original contents.
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[package]
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edition = "2021"
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name = "matext4cgmath"
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version = "0.1.0"
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authors = ["Yoshinori Tanimura <tanimura@ricos.co.jp>"]
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description = "Unofficial third-party cgmath extensions for calculate eigenvalues, operator norms and Iwasawa decomposition."
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homepage = "https://github.com/ricosjp/matext4cgmath"
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keywords = [
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"cgmath",
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"graphics",
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"linear-algebra",
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]
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categories = ["graphics"]
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license = "Apache-2.0"
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repository = "https://github.com/ricosjp/matext4cgmath"
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resolver = "2"
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autotests = false
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autoexamples = false
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autobenches = false
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[dependencies.cgmath]
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version = "0.18.0"
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[dependencies.katexit]
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version = "0.1.2"
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[dependencies.num-complex]
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version = "0.4.0"
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