get rid of numpy warning

Author: sbrand-dwd

python/extpar_emiss_to_buffer.py

@@ -201,9 +201,10 @@
 emiss_mrat = np.empty((12, ke_tot, je_tot, ie_tot), dtype=mrat_meta.type)
 
 for t in np.arange(12):
-    emiss_mrat[t, :, :, :] = np.divide(emiss[t, :, :, :],
-                                       emiss_max[:, :, :],
-                                       where=emiss_max[:, :, :] != 0.0)
+    np.divide(emiss[t, :, :, :],
+              emiss_max[:, :, :],
+              out=emiss_mrat[t, :, :, :],
+              where=emiss_max[:, :, :] != 0.0)
     emiss_mrat[t, :, :, :] = np.where(emiss_max[:, :, :] <= 0.0, -1.0,
                                       emiss_mrat[t, :, :, :])
 

python/extpar_ndvi_to_buffer.py

@@ -173,9 +173,10 @@
 ndvi_mrat = np.empty((12, ke_tot, je_tot, ie_tot), dtype=mrat_meta.type)
 
 for t in np.arange(12):
-    ndvi_mrat[t, :, :, :] = np.divide(ndvi[t, :, :, :],
-                                      ndvi_max[:, :, :],
-                                      where=ndvi_max[:, :, :] != 0.0)
+    np.divide(ndvi[t, :, :, :],
+              ndvi_max[:, :, :],
+              out=ndvi_mrat[t, :, :, :],
+              where=ndvi_max[:, :, :] != 0.0)
     ndvi_mrat[t, :, :, :] = np.where(ndvi_max[:, :, :] <= 0.0, -1.0,
                                      ndvi_mrat[t, :, :, :])