some new features

.venv/lib/python3.12/site-packages/Cython/Utility/UFuncs_C.c

@@ -0,0 +1,42 @@
+///////////////////////// UFuncsInit.proto /////////////////////////
+//@proto_block: utility_code_proto_before_types
+
+#include <numpy/arrayobject.h>
+#include <numpy/ufuncobject.h>
+
+// account for change in type of arguments to PyUFuncGenericFunction in Numpy 1.19.x
+// Unfortunately we can only test against Numpy version 1.20.x since it wasn't marked
+// as an API break. Therefore, I'm "solving" the issue by casting function pointer types
+// on lower Numpy versions.
+#if NPY_API_VERSION >= 0x0000000e // Numpy 1.20.x
+#define __PYX_PYUFUNCGENERICFUNCTION_CAST(x) x
+#else
+#define __PYX_PYUFUNCGENERICFUNCTION_CAST(x) (PyUFuncGenericFunction)x
+#endif
+
+/////////////////////// UFuncConsts.proto ////////////////////
+
+// getter functions because we can't forward-declare arrays
+static PyUFuncGenericFunction* {{ufunc_funcs_name}}(void); /* proto */
+static char* {{ufunc_types_name}}(void); /* proto */
+static void* {{ufunc_data_name}}[] = {NULL};  /* always null */
+
+/////////////////////// UFuncConsts /////////////////////////
+
+static PyUFuncGenericFunction* {{ufunc_funcs_name}}(void) {
+    static PyUFuncGenericFunction arr[] = {
+        {{for loop, cname in looper(func_cnames)}}
+        __PYX_PYUFUNCGENERICFUNCTION_CAST(&{{cname}}){{if not loop.last}},{{endif}}
+        {{endfor}}
+    };
+    return arr;
+}
+
+static char* {{ufunc_types_name}}(void) {
+    static char arr[] = {
+        {{for loop, tp in looper(type_constants)}}
+        {{tp}}{{if not loop.last}},{{endif}}
+        {{endfor}}
+    };
+    return arr;
+}