Avaldis 4: "r" left parenthesis, "x" , "y" , right parenthesis equals 2 left parenthesis, "T" plus floor left parenthesis, "x" , right parenthesis , right parenthesis left brace, floor left parenthesis, "y" , right parenthesis greater than 3 : "s" left parenthesis, "y" , right parenthesis , 1 , right brace max left parenthesis, 0 , .5 minus StartRoot, "f" left parenthesis, "x" , right parenthesis squared plus "f" left parenthesis, "y" , right parenthesis squared , EndRoot , right parenthesisrx,y=2T+floorxfloory>3:sy,1max0,.5−fx2+fy2
4
Avaldis 5: "f" left parenthesis, "x" , right parenthesis equals mod left parenthesis, "x" , 1 , right parenthesis minus .5fx=modx,1−.5
5
Avaldis 6: "s" left parenthesis, "x" , right parenthesis equals left brace, mod left parenthesis, "x" , 2 , right parenthesis less than 1 : negative 1 , 1 , right bracesx=modx,2<1:−1,1
6
Avaldis 7: "s" Subscript, 0 , Baseline left parenthesis, "x" , right parenthesis equals signum left parenthesis, mod left parenthesis, "x" , 2 , right parenthesis , right parenthesis minus 1s0x=signmodx,2−1
