ww3_diffraction: more on regtests ..

regtests/ww3_tp2.6/input/ww3_grid.inp

@@ -12,7 +12,7 @@ $ In versions 1.18 and 2.22 of the model this value was by definiton 0,
 $ it is added to mitigate the GSE for a first order scheme. Note that
 $ this factor is IGNORED in the print plots in ww3_outp.
 $
-1.1 0.05 36 72 0.
+1.1 0.05 36 36 0.
 $
 $ Set model flags ---------------------------------------------------- $
 $  - FLDRY         Dry run (input/output only, no calculation).
@@ -112,12 +112,11 @@ JGS_TERMINATE_MAXITER = T,
 JGS_MAXITER = 100000,
 JGS_TERMINATE_NORM = F,
 JGS_TERMINATE_DIFFERENCE = T,
-JGS_DIFF_THR = 1.E-4,
+JGS_DIFF_THR = 1.E-6,
 JGS_PMIN = 3.0
 JGS_LIMITER = F,
-JGS_BLOCK_GAUSS_SEIDEL = T
 JGS_NORM_THR = 1.E-6
-JGS_LDIFR = T 
+JGS_LDIFR = F 
 JGS_IDIFR = 1 
 /
 $