BEGIN {
	OFS="\t\t";

	print "1==1 :", (1 == 1);
	print "1==0 :", (1 == 0);

	print "1.0==1 :", (1.0 == 1);
	print "1.1==1 :", (1.1 == 1);

	print "1.0!=1 :", (1.0 != 1);
	print "1.1!=1 :", (1.1 != 1);

	print "abc" == "abc";
	print "abc" != "abc";

	print "--------------------------";
	print "a == \"\" :", (a == "");
	print "a >= \"\" :", (a >= "");
	print "a <= \"\" :", (a <= "");
	print "a >  \"\" :", (a > "");
	print "a <  \"\" :", (a < "");

	print "--------------------------";
	print "a == \" \" :", (a == " ");
	print "a >= \" \" :", (a >= " ");
	print "a <= \" \" :", (a <= " ");
	print "a >  \" \" :", (a > " ");
	print "a <  \" \" :", (a < " ");

	print "--------------------------";
	print "\"\" == a :", ("" == a);
	print "\"\" >= a:", ("" >= a);
	print "\"\" <= a:", ("" <= a);
	print "\"\" >  a:", ("" > a);
	print "\"\" <  a:", ("" < a);

	print "--------------------------";
	print "\" \" == a :", (" " == a);
	print "\" \" >= a:", (" " >= a);
	print "\" \" <= a:", (" " <= a);
	print "\" \" >  a:", (" " > a);
	print "\" \" <  a:", (" " < a);

	#a[10] = 2;
	#print a == 1;

	print (0.234 + 1.01123);
}