ffi: add PyArray_{malloc,realloc,free} re-exports

Author: aldanor

src/npyffi/array.rs

@@ -394,6 +394,12 @@ pub unsafe fn PyArray_CheckExact(op: *mut PyObject) -> c_int {
     (ffi::Py_TYPE(op) == PY_ARRAY_API.get_type_object(NpyTypes::PyArray_Type)) as _
 }
 
+// these are under `#if NPY_USE_PYMEM == 1` which seems to be always defined as 1
+pub use pyo3::ffi::{
+    PyMem_RawFree as PyArray_free, PyMem_RawMalloc as PyArray_malloc,
+    PyMem_RawRealloc as PyArray_realloc,
+};
+
 #[cfg(test)]
 mod tests {
     use super::PY_ARRAY_API;