Used DPCTL<Obj>_Hash function in __hash__ methods

Author: oleksandr-pavlyk

dpctl/_sycl_context.pyx

@@ -34,6 +34,7 @@ from ._backend cimport (  # noqa: E211
     DPCTLContext_Delete,
     DPCTLContext_DeviceCount,
     DPCTLContext_GetDevices,
+    DPCTLContext_Hash,
     DPCTLDevice_Copy,
     DPCTLDevice_Delete,
     DPCTLDeviceMgr_GetCachedContext,
@@ -337,11 +338,10 @@ cdef class SyclContext(_SyclContext):
 
     def __hash__(self):
         """
-        Return a Py_ssize_t hash value by using the address of the
-        ``DPCTLSyclContextRef`` pointer stored in ``self._ctxt_ref``.
+        Returns hash value corresponding to ``self._ctxt_ref``.
 
         """
-        return hash(self.addressof_ref())
+        return DPCTLContext_Hash(self._ctxt_ref)
 
     cdef DPCTLSyclContextRef get_context_ref(self):
         return self._ctxt_ref

dpctl/_sycl_device.pyx

@@ -58,6 +58,7 @@ from ._backend cimport (  # noqa: E211
     DPCTLDevice_GetSubGroupIndependentForwardProgress,
     DPCTLDevice_GetVendor,
     DPCTLDevice_HasAspect,
+    DPCTLDevice_Hash,
     DPCTLDevice_IsAccelerator,
     DPCTLDevice_IsCPU,
     DPCTLDevice_IsGPU,
@@ -711,11 +712,10 @@ cdef class SyclDevice(_SyclDevice):
 
     def __hash__(self):
         """
-        Return a Py_ssize_t hash value by using the address of the
-        ``DPCTLSyclDeviceRef`` pointer stored in ``self._device_ref``.
+        Returns hash value corresponding to ``self._device_ref``.
 
         """
-        return hash(self.addressof_ref())
+        return DPCTLDevice_Hash(self._device_ref)
 
     cdef list create_sub_devices_equally(self, size_t count):
         """ Returns a list of sub-devices partitioned from this SYCL device

dpctl/_sycl_queue.pyx

@@ -38,6 +38,7 @@ from ._backend cimport (  # noqa: E211
     DPCTLQueue_GetBackend,
     DPCTLQueue_GetContext,
     DPCTLQueue_GetDevice,
+    DPCTLQueue_Hash,
     DPCTLQueue_IsInOrder,
     DPCTLQueue_MemAdvise,
     DPCTLQueue_Memcpy,
@@ -865,11 +866,10 @@ cdef class SyclQueue(_SyclQueue):
 
     def __hash__(self):
         """
-        Return a Py_ssize_t hash value by using the address of the
-        ``DPCTLSyclQueueRef`` pointer stored in ``self._queue_ref``.
+        Returns hash value corresponding to ``self._queue_ref``.
 
         """
-        return hash(self.addressof_ref())
+        return DPCTLQueue_Hash(self._queue_ref)
 
     def _get_capsule(self):
         cdef DPCTLSyclQueueRef QRef = NULL