From 23773ac072fc3093a219c65bf55f0ac7708df158 Mon Sep 17 00:00:00 2001
From: qbisi <qbisicwate@gmail.com>
Date: Mon, 11 Nov 2024 15:04:58 +0800
Subject: [PATCH] netgen: init at 6.2.2405

---
 .../ne/netgen/option-arm-neon-complex.patch   |   22 +
 pkgs/by-name/ne/netgen/package.nix            |  194 +
 pkgs/by-name/ne/netgen/results-aarch64.json   | 3333 +++++++++++++++++
 pkgs/top-level/python-packages.nix            |    2 +
 4 files changed, 3551 insertions(+)
 create mode 100644 pkgs/by-name/ne/netgen/option-arm-neon-complex.patch
 create mode 100644 pkgs/by-name/ne/netgen/package.nix
 create mode 100644 pkgs/by-name/ne/netgen/results-aarch64.json

diff --git a/pkgs/by-name/ne/netgen/option-arm-neon-complex.patch b/pkgs/by-name/ne/netgen/option-arm-neon-complex.patch
new file mode 100644
index 00000000000000..0952ef5e1fdb51
--- /dev/null
+++ b/pkgs/by-name/ne/netgen/option-arm-neon-complex.patch
@@ -0,0 +1,22 @@
+diff --git a/libsrc/core/simd_arm64.hpp b/libsrc/core/simd_arm64.hpp
+index 9e0bcce..3607c4f 100644
+--- a/libsrc/core/simd_arm64.hpp
++++ b/libsrc/core/simd_arm64.hpp
+@@ -153,7 +153,7 @@ namespace ngcore
+   {
+     return FNMA(SIMD<double,2> (a), b, c);
+   }
+-
++#ifdef __ARM_FEATURE_COMPLEX
+   // ARM complex mult:
+   // https://arxiv.org/pdf/1901.07294.pdf
+   // c += a*b    (a0re, a0im, a1re, a1im, ...), 
+@@ -162,7 +162,7 @@ namespace ngcore
+     auto tmp = vcmlaq_f64(c.Data(), a.Data(), b.Data());   // are * b
+     c = vcmlaq_rot90_f64(tmp, a.Data(), b.Data());    // += i*aim * b
+   }
+-  
++#endif  
+ 
+   NETGEN_INLINE SIMD<double,2> operator+ (SIMD<double,2> a, SIMD<double,2> b)
+   { return a.Data()+b.Data(); }
diff --git a/pkgs/by-name/ne/netgen/package.nix b/pkgs/by-name/ne/netgen/package.nix
new file mode 100644
index 00000000000000..c9bd2f4c070a67
--- /dev/null
+++ b/pkgs/by-name/ne/netgen/package.nix
@@ -0,0 +1,194 @@
+{
+  lib,
+  stdenv,
+  fetchFromGitHub,
+  fetchDebianPatch,
+  git,
+  makeWrapper,
+  cmake,
+  python3,
+  mpi,
+  mpiCheckPhaseHook,
+  metis,
+  opencascade-occt,
+  libGLU,
+  zlib,
+  tcl,
+  tk,
+  xorg,
+  libjpeg,
+  ffmpeg,
+  catch2,
+  avxSupport ? stdenv.hostPlatform.avxSupport,
+  avx2Support ? stdenv.hostPlatform.avx2Support,
+  avx512Support ? stdenv.hostPlatform.avx512Support,
+}:
+stdenv.mkDerivation (finalAttrs: {
+  pname = "netgen";
+  version = "6.2.2405";
+
+  src = fetchFromGitHub {
+    owner = "ngsolve";
+    repo = "netgen";
+    rev = "v${finalAttrs.version}";
+    hash = "sha256-y0Vol8vpccktiqOolRrAbw7JWF4o8Nh9t/fcDnBOWXE=";
+  };
+
+  patches = [
+    # disable some platform specified code used by downstream ngsolve
+    # can be enabled with -march=armv8.3-a+simd when compiling ngsolve
+    # note compiling netgen itself is not affected by this patch
+    ./option-arm-neon-complex.patch
+    (fetchDebianPatch {
+      inherit (finalAttrs) pname;
+      version = "6.2.2404+dfsg1-4";
+      patch = "fix-national-encoding.patch";
+      hash = "sha256-oo29H/SN+c/yojtEkFUG99Gc+hJd5sNxZfxV5TzPtRY=";
+    })
+    (fetchDebianPatch {
+      inherit (finalAttrs) pname;
+      version = "6.2.2404+dfsg1-4";
+      patch = "fix_nggui_tcl.patch";
+      hash = "sha256-ODDT67+RWBzPhhq/equWsu78x9L/Yrs3U8VQ1Uu0zZw=";
+    })
+    (fetchDebianPatch {
+      inherit (finalAttrs) pname;
+      version = "6.2.2404+dfsg1-4";
+      patch = "ffmpeg_link_libraries.patch";
+      hash = "sha256-S02OPH9hbJjOnBm6JMh6uM5XptcubV24vdyEF0FusoM=";
+    })
+    (fetchDebianPatch {
+      inherit (finalAttrs) pname;
+      version = "6.2.2404+dfsg1-4";
+      patch = "size_t_int32.patch";
+      hash = "sha256-uudf3b97J2TNq4lAzPK1bRrcQv+Z1oVxFE3tKlydJfE=";
+    })
+    (fetchDebianPatch {
+      inherit (finalAttrs) pname;
+      version = "6.2.2404+dfsg1-4";
+      patch = "link_atomic.patch";
+      hash = "sha256-Yf0GNP4BAahWxOO0zIMVvXiROVP0hRM54Fok7jGABlY=";
+    })
+    (fetchDebianPatch {
+      inherit (finalAttrs) pname;
+      version = "6.2.2404+dfsg1-4";
+      patch = "include_stdlib.patch";
+      hash = "sha256-W+NgGBuy/UmzVbPTSqR8FRUlyN/9dl9l9e9rxKklmIc=";
+    })
+    (fetchDebianPatch {
+      inherit (finalAttrs) pname;
+      version = "6.2.2404+dfsg1-4";
+      patch = "ngappinit_no_MPI.patch";
+      hash = "sha256-0PSe5YB0C/goYFvnl9Z+pwM12D4s1qaTRV12/NA7c94=";
+    })
+  ];
+
+  postPatch = ''
+    echo "v${finalAttrs.version}-0" > version.txt
+    # create dummy catch2 target and use system catch2
+    echo "add_custom_target(project_catch)" > cmake/external_projects/catch.cmake
+  '';
+
+  nativeBuildInputs = [
+    # dummy dependency to pass the cmake requirement
+    # get version via version.txt rather than git describe
+    git
+    cmake
+    makeWrapper
+    python3.pkgs.pybind11-stubgen
+  ];
+
+  buildInputs = [
+    metis
+    opencascade-occt
+    zlib
+    tcl
+    tk
+    libGLU
+    xorg.libXmu
+    libjpeg
+    ffmpeg
+    mpi
+  ];
+
+  propagatedBuildInputs = with python3.pkgs; [
+    packaging
+    pybind11
+    mpi4py
+    numpy
+  ];
+
+  archFlags = toString (
+    lib.optional avxSupport "-mavx"
+    ++ lib.optional avx2Support "-mavx2"
+    ++ lib.optional avx512Support "-mavx512"
+  );
+
+  preConfigure = ''
+    cmakeFlagsArray+=(-DCMAKE_CXX_FLAGS="$archFlags")
+  '';
+
+  cmakeFlags = [
+    (lib.cmakeBool "BUILD_SHARED_LIBS" (!stdenv.hostPlatform.isStatic))
+    (lib.cmakeBool "USE_MPI" true)
+    (lib.cmakeBool "USE_MPI4PY" true)
+    (lib.cmakeBool "PREFER_SYSTEM_PYBIND11" true)
+    (lib.cmakeBool "BUILD_STUB_FILES" false)
+    (lib.cmakeBool "USE_SUPERBUILD" false)
+    (lib.cmakeBool "USE_NATIVE_ARCH" false)
+    (lib.cmakeBool "USE_JPEG" true)
+    (lib.cmakeBool "USE_MPEG" true)
+    (lib.cmakeBool "BUILD_TESTING" finalAttrs.finalPackage.doInstallCheck)
+    (lib.cmakeBool "ENABLE_UNIT_TESTS" finalAttrs.finalPackage.doInstallCheck)
+  ];
+
+  postInstall = ''
+    export PYTHONPATH=$out/${python3.sitePackages}:$PYTHONPATH
+    pybind11-stubgen netgen -o $out/${python3.sitePackages}
+    wrapProgram "$out/bin/netgen" \
+      --set LD_LIBRARY_PATH "$out/lib"\
+      --set NETGENDIR "$out/share"
+  '';
+
+  doInstallCheck = true;
+
+  installCheckTarget = "test";
+
+  # Mesh generation differs on x86_64 and aarch64 platform.
+  # Replace results.json on aarch64 platform with the preset one generated on
+  # aarch64 host by `python tests/pytest/test_tutorials.py results-aarch64.json`.
+  preInstallCheck = lib.optionalString stdenv.hostPlatform.isAarch64 ''
+    cp -f ${./results-aarch64.json} ../tests/pytest/results.json
+  '';
+
+  nativeInstallCheckInputs = [
+    catch2
+    python3.pkgs.pytest
+    python3.pkgs.pytest-check
+    python3.pkgs.pytest-mpi
+    mpiCheckPhaseHook
+  ];
+
+  passthru = {
+    inherit avxSupport avx2Support avx512Support;
+  };
+
+  meta = {
+    homepage = "https://ngsolve.org";
+    description = "Atomatic 3d tetrahedral mesh generator";
+    license = with lib.licenses; [
+      lgpl2Plus
+      lgpl21Plus
+      lgpl21Only
+      bsd3
+      boost
+      publicDomain
+    ];
+    platforms = [
+      "x86_64-linux"
+      "aarch64-linux"
+    ];
+    mainProgram = "netgen";
+    maintainers = with lib.maintainers; [ qbisi ];
+  };
+})
diff --git a/pkgs/by-name/ne/netgen/results-aarch64.json b/pkgs/by-name/ne/netgen/results-aarch64.json
new file mode 100644
index 00000000000000..921db705e68bb0
--- /dev/null
+++ b/pkgs/by-name/ne/netgen/results-aarch64.json
@@ -0,0 +1,3333 @@
+{
+  "boundarycondition.geo": [
+    {
+      "angles_tet": [
+        22.08,
+        143.36
+      ],
+      "angles_trig": [
+        18.539,
+        142.35
+      ],
+      "ne1d": 74,
+      "ne2d": 52,
+      "ne3d": 41,
+      "quality_histogram": "[0, 0, 0, 0, 0, 0, 1, 1, 3, 1, 0, 11, 5, 14, 1, 4, 0, 0, 0, 0]",
+      "total_badness": 69.280452703
+    },
+    {
+      "angles_tet": [
+        31.383,
+        127.91
+      ],
+      "angles_trig": [
+        28.041,
+        119.87
+      ],
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+      "ne2d": 37,
+      "ne3d": 22,
+      "quality_histogram": "[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, 4, 4, 0, 0, 8, 0, 0, 0, 0]",
+      "total_badness": 35.161528768
+    },
+    {
+      "angles_tet": [
+        32.461,
+        127.16
+      ],
+      "angles_trig": [
+        28.547,
+        120.05
+      ],
+      "ne1d": 59,
+      "ne2d": 37,
+      "ne3d": 22,
+      "quality_histogram": "[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, 4, 4, 0, 0, 8, 0, 0, 0, 0]",
+      "total_badness": 35.098288788
+    },
+    {
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+        127.37
+      ],
+      "angles_trig": [
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+      "ne1d": 74,
+      "ne2d": 52,
+      "ne3d": 36,
+      "quality_histogram": "[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 11, 5, 15, 1, 4, 0, 0, 0, 0]",
+      "total_badness": 55.902432365
+    },
+    {
+      "angles_tet": [
+        27.415,
+        131.66
+      ],
+      "angles_trig": [
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+      "ne3d": 136,
+      "quality_histogram": "[0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 3, 22, 10, 15, 29, 16, 19, 13, 7, 1]",
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+  "boxcyl.geo": [
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+  ],
+  "circle_on_cube.geo": [
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+  ],
+  "cone.geo": [
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+      ],
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+      "quality_histogram": "[0, 0, 0, 0, 0, 0, 0, 0, 2, 20, 69, 206, 492, 1110, 2071, 3275, 4433, 4701, 3671, 1308]",
+      "total_badness": 26097.176834
+    }
+  ],
+  "cube.geo": [
+    {
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+      ],
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+      "total_badness": 9.1401272869
+    },
+    {
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+      "quality_histogram": "[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 4, 0, 1, 0, 0, 0, 0]",
+      "total_badness": 9.1401272869
+    },
+    {
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+      ],
+      "angles_trig": [
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+      ],
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+      "quality_histogram": "[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 4, 0, 1, 0, 0, 0, 0]",
+      "total_badness": 9.1401272869
+    },
+    {
+      "angles_tet": [
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+      ],
+      "angles_trig": [
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+        148.08
+      ],
+      "ne1d": 102,
+      "ne2d": 234,
+      "ne3d": 445,
+      "quality_histogram": "[0, 0, 0, 0, 5, 11, 17, 23, 47, 28, 34, 35, 45, 31, 29, 41, 44, 30, 19, 6]",
+      "total_badness": 795.41761043
+    },
+    {
+      "angles_tet": [
+        20.964,
+        136.15
+      ],
+      "angles_trig": [
+        21.946,
+        111.07
+      ],
+      "ne1d": 144,
+      "ne2d": 408,
+      "ne3d": 565,
+      "quality_histogram": "[0, 0, 0, 0, 0, 0, 0, 1, 4, 11, 31, 40, 67, 86, 118, 92, 59, 48, 8, 0]",
+      "total_badness": 814.48177255
+    },
+    {
+      "angles_tet": [
+        19.587,
+        141.43
+      ],
+      "angles_trig": [
+        20.612,
+        120.68
+      ],
+      "ne1d": 214,
+      "ne2d": 904,
+      "ne3d": 1687,
+      "quality_histogram": "[0, 0, 0, 0, 0, 0, 0, 1, 4, 17, 23, 82, 133, 171, 267, 295, 262, 238, 160, 34]",
+      "total_badness": 2245.8031773
+    },
+    {
+      "angles_tet": [
+        24.217,
+        137.42
+      ],
+      "angles_trig": [
+        23.842,
+        128.3
+      ],
+      "ne1d": 350,
+      "ne2d": 2358,
+      "ne3d": 10723,
+      "quality_histogram": "[0, 0, 0, 0, 0, 0, 0, 0, 1, 5, 17, 64, 177, 444, 931, 1609, 2183, 2523, 2108, 661]",
+      "total_badness": 12938.174838
+    }
+  ]
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index d785decd9b5ebf..8203b71697fd69 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -9001,6 +9001,8 @@ self: super: with self; {
 
   netdisco = callPackage ../development/python-modules/netdisco { };
 
+  netgen = toPythonModule (pkgs.netgen.override { python3 = python; });
+
   nethsm = callPackage ../development/python-modules/nethsm { };
 
   netifaces = callPackage ../development/python-modules/netifaces { };