From 25b07fdd8f48dc3d5ea1b0fb18f2ca91298c27ac Mon Sep 17 00:00:00 2001
From: Xiangyan Sun <wishstudio@gmail.com>
Date: Sat, 2 May 2026 09:22:23 -0700
Subject: [PATCH] gtmathematics: init at 8.2

---
 pkgs/by-name/gt/gtmathematics/package.nix | 46 +++++++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 pkgs/by-name/gt/gtmathematics/package.nix

diff --git a/pkgs/by-name/gt/gtmathematics/package.nix b/pkgs/by-name/gt/gtmathematics/package.nix
new file mode 100644
index 000000000000..dcce92bf7d76
--- /dev/null
+++ b/pkgs/by-name/gt/gtmathematics/package.nix
@@ -0,0 +1,46 @@
+{
+  lib,
+  stdenv,
+  fetchFromGitHub,
+  cmake,
+}:
+let
+  GTE_VERSION_MAJOR = "8";
+  GTE_VERSION_MINOR = "2";
+in
+
+stdenv.mkDerivation (finalAttrs: {
+  pname = "gtmathematics";
+  version = "${GTE_VERSION_MAJOR}.${GTE_VERSION_MINOR}";
+
+  strictDeps = true;
+  __structuredAttrs = true;
+
+  src = fetchFromGitHub {
+    owner = "davideberly";
+    repo = "GeometricTools";
+    tag = "GTE-version-${finalAttrs.version}";
+    hash = "sha256-OmWcD3T9OoLd7WDyqCyCLl5TeNnLBm9xV7DJxnb4hJc=";
+  };
+
+  sourceRoot = "source/GTE/Mathematics";
+
+  nativeBuildInputs = [
+    cmake
+  ];
+
+  cmakeFlags = [
+    (lib.cmakeFeature "GTE_VERSION_MAJOR" "${GTE_VERSION_MAJOR}")
+    (lib.cmakeFeature "GTE_VERSION_MINOR" "${GTE_VERSION_MINOR}")
+  ];
+
+  meta = {
+    description = "A collection of source code for computing in the fields of mathematics, geometry, graphics, image analysis and physics.";
+    homepage = "https://www.geometrictools.com";
+    license = lib.licenses.boost;
+    maintainers = with lib.maintainers; [
+      wishstudio
+    ];
+    platforms = lib.platforms.all;
+  };
+})