module float_to_iq #(parameter BITS_IN = 32, parameter BITS_OUT = 16 ) ( input [31:0] in, output [15:0] out ); //flags wire neg_inf; wire pos_inf; wire denorm; wire tiny_exp; assign pos_inf = (in[31] == 0 && in[30:23] == 1 && in[22:0] == 0); assign neg_inf = (in[31] == 1 && in[30:23] == 1 && in[22:0] == 0); assign denorm = (in[30:23] == 0); assign tiny_exp = (in[30:23] < 'd111); wire [23:0] implied_bit_fraction; wire [24:0] operation_round; wire [15:0] round_fraction; wire [15:0] shifted_fraction; wire [7:0] shift_val; wire [22:0] true_frac; assign shift_val = (in[30:23] > 127)? (in[30:23] - 127): (127 - in[30:23]); assign implied_bit_fraction = {1'b1,in[22:0]}; assign operation_round = (implied_bit_fraction + 'h000080); //testing for overflow assign round_fraction = (operation_round[24] == 0)?(operation_round[23:8]):(16'h7FFF); //shift the rounded value wire [15:0] shift = round_fraction >> (15 - shift_val); //2's complement the shifted output if the signed bit is 1 wire [15:0] final_val = (in[31] == 1)?(~shift + 1'b1):shift; assign out = (pos_inf)?{1'b0,15'h7FFF}:(neg_inf)?{1'b1,15'h8000}:(denorm || tiny_exp)? 16'b0: final_val; endmodule