ndarray 1.6.4 (#2211)

* ndarray

* Update xmake.lua

---------

Co-authored-by: ruki <[email protected]>

packages/n/ndarray/xmake.lua

@@ -0,0 +1,31 @@
+package("ndarray")
+    set_kind("library", {headeronly = true})
+    set_homepage("https://github.com/ndarray/ndarray")
+    set_description("NumPy-friendly multidimensional arrays in C++")
+
+    set_urls("https://github.com/ndarray/ndarray/archive/refs/tags/$(version).tar.gz")
+    add_versions("1.6.4", "a125dfcb3c5bdfd1ef9055cd4f2c3de60ad02abc53279dd25e28d155e786ebe0")
+
+    add_deps("boost")
+
+    on_install("macosx", "linux", "windows", "mingw", "cross", "bsd", function (package)
+        os.cp("include", package:installdir())
+    end)
+
+    on_test(function (package)
+        assert(package:check_cxxsnippets({test = [[
+            #include <ndarray.h>
+            #include <cassert>
+            static void test() {
+                using namespace ndarray;
+                Array<double,3,3> a = allocate(makeVector(5,6,8));
+                for (Array<double,3,3>::Iterator i = a.begin(); i != a.end(); ++i) {
+                    for (Array<double,3,3>::Reference::Iterator j = i->begin(); j != i->end(); ++j) {
+                        for (Array<double,3,3>::Reference::Reference::Iterator k = j->begin(); k != j->end(); ++k) {
+                            assert(*k == a[i - a.begin()][j - i->begin()][k - j->begin()]);
+                        }
+                    }
+                }
+            }
+        ]]}, {configs = {languages = "c++14"}}))
+    end)