MAINT: Delete some unused functions

numpy/core/src/multiarray/convert.c

@@ -543,35 +543,6 @@ PyArray_AssignZero(PyArrayObject *dst,
     return retcode;
 }
 
-/*
- * Fills an array with ones.
- *
- * dst: The destination array.
- * wheremask: If non-NULL, a boolean mask specifying where to set the values.
- *
- * Returns 0 on success, -1 on failure.
- */
-NPY_NO_EXPORT int
-PyArray_AssignOne(PyArrayObject *dst,
-                  PyArrayObject *wheremask)
-{
-    npy_bool value;
-    PyArray_Descr *bool_dtype;
-    int retcode;
-
-    /* Create a raw bool scalar with the value True */
-    bool_dtype = PyArray_DescrFromType(NPY_BOOL);
-    if (bool_dtype == NULL) {
-        return -1;
-    }
-    value = 1;
-
-    retcode = PyArray_AssignRawScalar(dst, bool_dtype, (char *)&value,
-                                      wheremask, NPY_SAFE_CASTING);
-
-    Py_DECREF(bool_dtype);
-    return retcode;
-}
 
 /*NUMPY_API
  * Copy an array.

numpy/core/src/multiarray/ctors.c

@@ -1426,28 +1426,6 @@ _dtype_from_buffer_3118(PyObject *memoryview)
 }
 
 
-/*
- * Call the python _is_from_ctypes
- */
-NPY_NO_EXPORT int
-_is_from_ctypes(PyObject *obj) {
-    PyObject *ret_obj;
-    static PyObject *py_func = NULL;
-
-    npy_cache_import("numpy.core._internal", "_is_from_ctypes", &py_func);
-
-    if (py_func == NULL) {
-        return -1;
-    }
-    ret_obj = PyObject_CallFunctionObjArgs(py_func, obj, NULL);
-    if (ret_obj == NULL) {
-        return -1;
-    }
-
-    return PyObject_IsTrue(ret_obj);
-}
-
-
 NPY_NO_EXPORT PyObject *
 _array_from_buffer_3118(PyObject *memoryview)
 {