add hip_check() routine

GPUSimulators/SHMEMSimulator.py

@@ -34,6 +34,20 @@ class SHMEMSimulator(Simulator.BaseSimulator):
     Class which handles communication and synchronization between simulators in different 
     contexts (presumably on different GPUs)
     """
+    def hip_check(call_result):
+        err = call_result[0]
+        result = call_result[1:]
+        if len(result) == 1:
+            result = result[0]
+        if isinstance(err, hip.hipError_t) and err != hip.hipError_t.hipSuccess:
+            raise RuntimeError(str(err))
+        elif (
+            isinstance(err, hiprtc.hiprtcResult)
+            and err != hiprtc.hiprtcResult.HIPRTC_SUCCESS
+        ):
+            raise RuntimeError(str(err))
+        return result
+
     def __init__(self, sims, grid):
         self.logger =  logging.getLogger(__name__)