compare_hkl: Actually use --rmin/rmax

Previously, they were just used to filter out reflections outside the resolution range, and the bins would
be calculated from the resolution limits of whatever was left.  Now, the given values are used exactly
for calculating the bins.

src/compare_hkl.c

@@ -820,6 +820,17 @@ int main(int argc, char *argv[])
 	reflist_free(list1);
 	reflist_free(list2);
 
+	if ( rmin_fix >= 0.0 ) {
+		rmin = rmin_fix;
+	}
+	if ( rmax_fix >= 0.0 ) {
+		rmax = rmax_fix;
+	}
+	if ( (rmin_fix>=0.0) || (rmax_fix>=0.0) ) {
+		STATUS("Fixed resolution range: %f to %f nm^-1"
+		       " (%.2f to %.2f Angstroms).\n",
+		       rmin/1e9, rmax/1e9, 1e10/rmin, 1e10/rmax);
+	}
 	do_fom(list1_acc, list2_acc, cell, rmin, rmax, fom, config_unity,
 	       nshells, shell_file);