Turns off test when the element mass or mass is of length zero.

This is to stop vaccumm medium from tripping failure.

static_check.awk

@@ -33,7 +33,6 @@ FS="[\t ]*"; # Spaces and tags as field seperators in media.geo
 
 for (i = 1; i<=NF; i++)datum[i]=$i; # Loading in a line from media.geo fle to make it easy to work with.
 
-
 	RELATIVE_SUM=0;
 	content_by="weight"; # The relative content is by number of each atom or by relative weight of each atom.
 
@@ -76,10 +75,14 @@ for (i = 1; i<=NF; i++)datum[i]=$i; # Loading in a line from media.geo fle to ma
 			# datum[2 + 2*datum[2] + 1] is the overall density of the material
 			# datum[3 + 2*datum[2] + i] is the subsequent relative amount of each compoment.
 
-			ERROR = abs( (datum[2+i] - ELEMENT_MASS[strtonum(datum[2+i+datum[2]])] )/datum[2+i])
+#			printf "PAUSE: %s %s %s", datum[2+i], ELEMENT_MASS[strtonum(datum[2+i+datum[2]])], ERROR;
 			printf "1 MASS ENTERED %s \n",  datum[2+i];
 			printf "2 ELEMENT MASS %s \n",  ELEMENT_MASS[strtonum(datum[2+i+datum[2]])];
 
+			if ( length(datum[2+i])!=0 && length(ELEMENT_MASS[strtonum(datum[2+i+datum[2]])])!=0 ){
+			ERROR = abs( (datum[2+i] - ELEMENT_MASS[strtonum(datum[2+i+datum[2]])] )/datum[2+i])
+			};			
+			
 			if(datum[2]>1){ # Checks relatavant for more than one component.
 
 					if(content_by~"number"){ # When the elements are per their relative number.