AMPP - weired max

gistfile1.c

max=MAX3(diag,down,right);
			if (max <= 0)  {
				h[i][j]=0;
				xTraceback[i][j]=-1;
				yTraceback[i][j]=-1;
					// these values already -1
				}
			else if (max == diag) {
				h[i][j]=diag;
				xTraceback[i][j]=i-1;
				yTraceback[i][j]=j-1;
				}
			else if (max == down) {
				h[i][j]=down;0
				xTraceback[i][j]=i-1;
				yTraceback[i][j]=j;
				}
			else  {
				h[i][j]=right;
				xTraceback[i][j]=i;
				yTraceback[i][j]=j-1;
				}