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@@ -0,0 +1,51 @@
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+package("fgt")
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+ set_homepage("http://gadomski.github.io/fgt")
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+ set_description("C++ library for fast Gauss transforms.")
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+ set_license("LGPL-2.1")
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+
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+ add_urls("https://github.com/gadomski/fgt/archive/refs/tags/$(version).tar.gz",
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+ "https://github.com/gadomski/fgt.git")
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+
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+ add_versions("v0.4.11", "3f11165ae3bb6c349b1fb8971bb4bdeee2c58ca68184e8c603f1964a67282e3b")
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+
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+ add_configs("openmp", {description = "Use OpenMP parallelization", default = false, type = "boolean"})
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+
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+ add_deps("cmake")
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+ add_deps("eigen")
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+
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+ on_load(function (package)
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+ if package:config("openmp") then
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+ package:add("deps", "openmp")
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+ package:add("defines", "FGT_WITH_OPENMP")
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+ end
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+ if not package:config("shared") then
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+ package:add("defines", "LIBRARY_C___STATIC_DEFINE")
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+ end
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+ end)
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+
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+ on_install(function (package)
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+ io.replace("CMakeLists.txt", "STATIC", "", {plain = true})
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+ io.replace("CMakeLists.txt", "SHARED", "", {plain = true})
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+
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+ local configs = {"-DWITH_TESTS=OFF"}
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+ table.insert(configs, "-DCMAKE_BUILD_TYPE=" .. (package:is_debug() and "Debug" or "Release"))
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+ table.insert(configs, "-DBUILD_SHARED_LIBS=" .. (package:config("shared") and "ON" or "OFF"))
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+ if package:is_plat("windows") and package:config("shared") then
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+ table.insert(configs, "-DCMAKE_WINDOWS_EXPORT_ALL_SYMBOLS=ON")
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+ end
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+
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+ local opt = {}
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+ if package:has_tool("cxx", "cl") then
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+ opt.cxflags = "/utf-8"
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+ end
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+ import("package.tools.cmake").install(package, configs, opt)
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+ end)
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+
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+ on_test(function (package)
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+ assert(package:check_cxxsnippets({test = [[
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+ void test(const Eigen::MatrixXd& x, const Eigen::MatrixXd& y) {
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+ double bandwidth = 0.3;
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+ Eigen::VectorXd gauss_transform = fgt::direct(x, y, bandwidth);
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+ }
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+ ]]}, {configs = {languages = "c++17"}, includes = "fgt.hpp"}))
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+ end)
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