stroblme
2c2c4e4712
Binds the modeling core the app builds every feature out of — 93 of its 138 symbols now resolve, up from 34. New modules: GeomAbs, Geom2d, Geom, TCollection, TColgp, TColStd, GProp, BRepGProp, Bnd, BRepBndLib, Adaptor3d, BRepAdaptor, GeomLProp, GeomAPI, BRepBuilderAPI, BOPAlgo, BRepAlgoAPI, BRepPrimAPI, GC, BRepMesh; gp and BRep_Tool completed. Three structural decisions: - BRepBuilderAPI_MakeShape carries Build/Shape/Generated/Modified/IsDeleted for every maker in the binding, so the booleans, the primitives and (later) the fillet builders all answer the app's duck-typed provenance layer through ordinary virtual dispatch. History lists come back copied, so they outlive the builder. - The executing two-argument BRepAlgoAPI constructors stay unbound; operands go in through SetArguments/SetTools. Section keeps Init1/Init2, which are plain setters. BOPAlgo moved up from Inc 2 — SetGlue needs its enum. - Adaptor3d is registered although the app never imports it: every method it calls on BRepAdaptor_Curve/Surface is a virtual declared there, so binding them once on the bases leaves mod_BRepAdaptor.cpp with just constructors. Gate: tests/test_inc1_modeling.py against reference values gen_fixtures.py now records from the stock wheel — measurements, per-face area/centroid in map order, mesh counts, and the boolean history map compared exactly, since that is the substrate the app's topological naming is built on. tools/sigdiff.py compares our bound surface against stock's, because a wrong nb::init<> is silent: MakePrism's five-argument form bound OCCT's semi-infinite gp_Dir overload (gp_Dir converts from gp_Vec), producing a valid solid of the wrong shape with the flags shifted along. The fixture digest caught it; sigdiff finds the class of bug directly, and now reports only one deliberate deviation. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01DfriM8XUkn7uYf5Dwe2xo6
70 lines
2.1 KiB
CMake
70 lines
2.1 KiB
CMake
cmake_minimum_required(VERSION 3.20)
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project(n3xd_ocp LANGUAGES CXX)
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set(CMAKE_CXX_STANDARD 17)
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set(CMAKE_CXX_STANDARD_REQUIRED ON)
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if(NOT CMAKE_BUILD_TYPE)
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set(CMAKE_BUILD_TYPE Release)
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endif()
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# Match the kernel's flags: -O2, no fast-math, no -march=native. OCCT's
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# version is a determinism input for assay's committed goldens, so the binding
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# has no business introducing a different FP contract than the kernel it wraps.
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set(CMAKE_CXX_FLAGS_RELEASE "-O2 -DNDEBUG")
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find_package(Python 3.12 REQUIRED
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COMPONENTS Interpreter Development.Module Development.SABIModule)
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find_package(nanobind CONFIG REQUIRED)
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find_package(OpenCASCADE REQUIRED)
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# The version scheme is enforced, not merely conventional: a wheel labelled
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# 7.9.3.N must actually wrap OCCT 7.9.3.
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set(_occt_ver "${OpenCASCADE_MAJOR_VERSION}.${OpenCASCADE_MINOR_VERSION}.${OpenCASCADE_MAINTENANCE_VERSION}")
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if(DEFINED SKBUILD_PROJECT_VERSION)
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if(NOT SKBUILD_PROJECT_VERSION MATCHES "^${_occt_ver}\\.")
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message(FATAL_ERROR
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"Version '${SKBUILD_PROJECT_VERSION}' does not match the OCCT found "
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"(${_occt_ver}). The scheme is <occt-version>.N — see pyproject.toml.")
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endif()
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endif()
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message(STATUS "Building n3xd-ocp against OCCT ${_occt_ver}")
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file(GLOB OCP_MODULE_SOURCES CONFIGURE_DEPENDS "src/modules/*.cpp")
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file(GLOB OCP_EXT_SOURCES CONFIGURE_DEPENDS "src/ext/*.cpp")
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nanobind_add_module(_OCP
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STABLE_ABI
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NB_STATIC
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src/core.cpp
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src/common/occt_module.cpp
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src/common/occt_exceptions.cpp
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${OCP_MODULE_SOURCES}
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${OCP_EXT_SOURCES}
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)
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target_include_directories(_OCP PRIVATE ${OpenCASCADE_INCLUDE_DIR})
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# Only the toolkits the bound surface actually reaches. Grows with each
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# coverage increment; auditwheel bundles whatever the linker records.
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target_link_libraries(_OCP PRIVATE
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TKernel
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TKMath
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TKG2d
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TKG3d
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TKGeomBase
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TKBRep
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TKTopAlgo
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# Inc 1
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TKGeomAlgo # GeomAPI, GCPnts
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TKPrim # BRepPrimAPI
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TKBO # BRepAlgoAPI, BOPAlgo
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TKMesh # BRepMesh
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)
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target_compile_definitions(_OCP PRIVATE
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N3XD_OCP_VERSION="${SKBUILD_PROJECT_VERSION}"
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)
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install(TARGETS _OCP LIBRARY DESTINATION OCP)
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