refact(method): add ev to edgps calc output

frads/eplus.py

@@ -640,7 +640,7 @@ def calculate_wpi(self, zone: str, cfs_name: Dict[str, str]) -> np.ndarray:
             sensor_name, cfs_name, date_time, dni, dhi
         )
 
-    def calculate_edgps(self, zone: str, cfs_name: Dict[str, str]) -> float:
+    def calculate_edgps(self, zone: str, cfs_name: Dict[str, str]) -> tuple[float,float]:
         """Calculate enhanced simplified daylight glare probability in a zone.
         The view is positioned at the center of the zone with direction facing
         the windows, weighted by the window area.

frads/methods.py

@@ -1234,7 +1234,7 @@ def calculate_edgps(
         dhi: float,
         ambient_bounce: int = 0,
         save_hdr: Optional[Union[str, Path]] = None,
-    ) -> float:
+    ) -> tuple[float,float]:
         """Calculate enhanced simplified daylight glare probability (EDGPs) for a view.
 
         Args:
@@ -1296,7 +1296,7 @@ def calculate_edgps(
         res = pr.evalglare(hdr, fast=1, correction_mode="l-", ev=ev.item())
         edgps = float(res)
         os.remove(octree)
-        return edgps
+        return edgps, ev.item()
 
     def save_matrices(self):
         """Saves the view window matrices, sensor window matrices, and daylight matrices