How do you plan to solve it?
//==================================================
// Module: max2_func
// Description: Returns the maximum of two 8-bit unsigned inputs
//==================================================
module max2_func (
input wire [7:0] a,
input wire [7:0] b,
output wire [7:0] max
);
// ------------------------------------------------
// Function definition
// ------------------------------------------------
function automatic [7:0] max2(input [7:0] x, input [7:0] y);
begin
max2 = (x > y) ? x : y; // Single comparison line
end
endfunction
// ------------------------------------------------
// Use the function
// ------------------------------------------------
assign max = max2(a, b);
endmodule