renormalize.vhd

这是一个计算维特比译码的程序

  Minimum_comparernd2(1) <= '1' WHEN ( Minimum_muxrnd1(2) <= Minimum_muxrnd1(3) ) ELSE '0';

  Minimum_muxrnd2(1) <= Minimum_muxrnd1(2) WHEN ( Minimum_comparernd2(1) = '1' ) ELSE
                        Minimum_muxrnd1(3);
  Minimum_muxidxrnd2(1) <= Minimum_muxidxrnd1(2) WHEN ( Minimum_comparernd2(1) = '1' ) ELSE
                           Minimum_muxidxrnd1(3);
  Minimum_comparernd2(2) <= '1' WHEN ( Minimum_muxrnd1(4) <= Minimum_muxrnd1(5) ) ELSE '0';

  Minimum_muxrnd2(2) <= Minimum_muxrnd1(4) WHEN ( Minimum_comparernd2(2) = '1' ) ELSE
                        Minimum_muxrnd1(5);
  Minimum_muxidxrnd2(2) <= Minimum_muxidxrnd1(4) WHEN ( Minimum_comparernd2(2) = '1' ) ELSE
                           Minimum_muxidxrnd1(5);
  Minimum_comparernd2(3) <= '1' WHEN ( Minimum_muxrnd1(6) <= Minimum_muxrnd1(7) ) ELSE '0';

  Minimum_muxrnd2(3) <= Minimum_muxrnd1(6) WHEN ( Minimum_comparernd2(3) = '1' ) ELSE
                        Minimum_muxrnd1(7);
  Minimum_muxidxrnd2(3) <= Minimum_muxidxrnd1(6) WHEN ( Minimum_comparernd2(3) = '1' ) ELSE
                           Minimum_muxidxrnd1(7);
  Minimum_comparernd2(4) <= '1' WHEN ( Minimum_muxrnd1(8) <= Minimum_muxrnd1(9) ) ELSE '0';

  Minimum_muxrnd2(4) <= Minimum_muxrnd1(8) WHEN ( Minimum_comparernd2(4) = '1' ) ELSE
                        Minimum_muxrnd1(9);
  Minimum_muxidxrnd2(4) <= Minimum_muxidxrnd1(8) WHEN ( Minimum_comparernd2(4) = '1' ) ELSE
                           Minimum_muxidxrnd1(9);
  Minimum_comparernd2(5) <= '1' WHEN ( Minimum_muxrnd1(10) <= Minimum_muxrnd1(11) ) ELSE '0';

  Minimum_muxrnd2(5) <= Minimum_muxrnd1(10) WHEN ( Minimum_comparernd2(5) = '1' ) ELSE
                        Minimum_muxrnd1(11);
  Minimum_muxidxrnd2(5) <= Minimum_muxidxrnd1(10) WHEN ( Minimum_comparernd2(5) = '1' ) ELSE
                           Minimum_muxidxrnd1(11);
  Minimum_comparernd2(6) <= '1' WHEN ( Minimum_muxrnd1(12) <= Minimum_muxrnd1(13) ) ELSE '0';

  Minimum_muxrnd2(6) <= Minimum_muxrnd1(12) WHEN ( Minimum_comparernd2(6) = '1' ) ELSE
                        Minimum_muxrnd1(13);
  Minimum_muxidxrnd2(6) <= Minimum_muxidxrnd1(12) WHEN ( Minimum_comparernd2(6) = '1' ) ELSE
                           Minimum_muxidxrnd1(13);
  Minimum_comparernd2(7) <= '1' WHEN ( Minimum_muxrnd1(14) <= Minimum_muxrnd1(15) ) ELSE '0';

  Minimum_muxrnd2(7) <= Minimum_muxrnd1(14) WHEN ( Minimum_comparernd2(7) = '1' ) ELSE
                        Minimum_muxrnd1(15);
  Minimum_muxidxrnd2(7) <= Minimum_muxidxrnd1(14) WHEN ( Minimum_comparernd2(7) = '1' ) ELSE
                           Minimum_muxidxrnd1(15);
  Minimum_comparernd2(8) <= '1' WHEN ( Minimum_muxrnd1(16) <= Minimum_muxrnd1(17) ) ELSE '0';

  Minimum_muxrnd2(8) <= Minimum_muxrnd1(16) WHEN ( Minimum_comparernd2(8) = '1' ) ELSE
                        Minimum_muxrnd1(17);
  Minimum_muxidxrnd2(8) <= Minimum_muxidxrnd1(16) WHEN ( Minimum_comparernd2(8) = '1' ) ELSE
                           Minimum_muxidxrnd1(17);
  Minimum_comparernd2(9) <= '1' WHEN ( Minimum_muxrnd1(18) <= Minimum_muxrnd1(19) ) ELSE '0';

  Minimum_muxrnd2(9) <= Minimum_muxrnd1(18) WHEN ( Minimum_comparernd2(9) = '1' ) ELSE
                        Minimum_muxrnd1(19);
  Minimum_muxidxrnd2(9) <= Minimum_muxidxrnd1(18) WHEN ( Minimum_comparernd2(9) = '1' ) ELSE
                           Minimum_muxidxrnd1(19);
  Minimum_comparernd2(10) <= '1' WHEN ( Minimum_muxrnd1(20) <= Minimum_muxrnd1(21) ) ELSE '0';

  Minimum_muxrnd2(10) <= Minimum_muxrnd1(20) WHEN ( Minimum_comparernd2(10) = '1' ) ELSE
                         Minimum_muxrnd1(21);
  Minimum_muxidxrnd2(10) <= Minimum_muxidxrnd1(20) WHEN ( Minimum_comparernd2(10) = '1' ) ELSE
                            Minimum_muxidxrnd1(21);
  Minimum_comparernd2(11) <= '1' WHEN ( Minimum_muxrnd1(22) <= Minimum_muxrnd1(23) ) ELSE '0';

  Minimum_muxrnd2(11) <= Minimum_muxrnd1(22) WHEN ( Minimum_comparernd2(11) = '1' ) ELSE
                         Minimum_muxrnd1(23);
  Minimum_muxidxrnd2(11) <= Minimum_muxidxrnd1(22) WHEN ( Minimum_comparernd2(11) = '1' ) ELSE
                            Minimum_muxidxrnd1(23);
  Minimum_comparernd2(12) <= '1' WHEN ( Minimum_muxrnd1(24) <= Minimum_muxrnd1(25) ) ELSE '0';

  Minimum_muxrnd2(12) <= Minimum_muxrnd1(24) WHEN ( Minimum_comparernd2(12) = '1' ) ELSE
                         Minimum_muxrnd1(25);
  Minimum_muxidxrnd2(12) <= Minimum_muxidxrnd1(24) WHEN ( Minimum_comparernd2(12) = '1' ) ELSE
                            Minimum_muxidxrnd1(25);
  Minimum_comparernd2(13) <= '1' WHEN ( Minimum_muxrnd1(26) <= Minimum_muxrnd1(27) ) ELSE '0';

  Minimum_muxrnd2(13) <= Minimum_muxrnd1(26) WHEN ( Minimum_comparernd2(13) = '1' ) ELSE
                         Minimum_muxrnd1(27);
  Minimum_muxidxrnd2(13) <= Minimum_muxidxrnd1(26) WHEN ( Minimum_comparernd2(13) = '1' ) ELSE
                            Minimum_muxidxrnd1(27);
  Minimum_comparernd2(14) <= '1' WHEN ( Minimum_muxrnd1(28) <= Minimum_muxrnd1(29) ) ELSE '0';

  Minimum_muxrnd2(14) <= Minimum_muxrnd1(28) WHEN ( Minimum_comparernd2(14) = '1' ) ELSE
                         Minimum_muxrnd1(29);
  Minimum_muxidxrnd2(14) <= Minimum_muxidxrnd1(28) WHEN ( Minimum_comparernd2(14) = '1' ) ELSE
                            Minimum_muxidxrnd1(29);
  Minimum_comparernd2(15) <= '1' WHEN ( Minimum_muxrnd1(30) <= Minimum_muxrnd1(31) ) ELSE '0';

  Minimum_muxrnd2(15) <= Minimum_muxrnd1(30) WHEN ( Minimum_comparernd2(15) = '1' ) ELSE
                         Minimum_muxrnd1(31);
  Minimum_muxidxrnd2(15) <= Minimum_muxidxrnd1(30) WHEN ( Minimum_comparernd2(15) = '1' ) ELSE
                            Minimum_muxidxrnd1(31);
  Minimum_comparernd3(0) <= '1' WHEN ( Minimum_muxrnd2(0) <= Minimum_muxrnd2(1) ) ELSE '0';

  Minimum_muxrnd3(0) <= Minimum_muxrnd2(0) WHEN ( Minimum_comparernd3(0) = '1' ) ELSE
                        Minimum_muxrnd2(1);
  Minimum_muxidxrnd3(0) <= Minimum_muxidxrnd2(0) WHEN ( Minimum_comparernd3(0) = '1' ) ELSE
                           Minimum_muxidxrnd2(1);
  Minimum_comparernd3(1) <= '1' WHEN ( Minimum_muxrnd2(2) <= Minimum_muxrnd2(3) ) ELSE '0';

  Minimum_muxrnd3(1) <= Minimum_muxrnd2(2) WHEN ( Minimum_comparernd3(1) = '1' ) ELSE
                        Minimum_muxrnd2(3);
  Minimum_muxidxrnd3(1) <= Minimum_muxidxrnd2(2) WHEN ( Minimum_comparernd3(1) = '1' ) ELSE
                           Minimum_muxidxrnd2(3);
  Minimum_comparernd3(2) <= '1' WHEN ( Minimum_muxrnd2(4) <= Minimum_muxrnd2(5) ) ELSE '0';

  Minimum_muxrnd3(2) <= Minimum_muxrnd2(4) WHEN ( Minimum_comparernd3(2) = '1' ) ELSE
                        Minimum_muxrnd2(5);
  Minimum_muxidxrnd3(2) <= Minimum_muxidxrnd2(4) WHEN ( Minimum_comparernd3(2) = '1' ) ELSE
                           Minimum_muxidxrnd2(5);
  Minimum_comparernd3(3) <= '1' WHEN ( Minimum_muxrnd2(6) <= Minimum_muxrnd2(7) ) ELSE '0';

  Minimum_muxrnd3(3) <= Minimum_muxrnd2(6) WHEN ( Minimum_comparernd3(3) = '1' ) ELSE
                        Minimum_muxrnd2(7);
  Minimum_muxidxrnd3(3) <= Minimum_muxidxrnd2(6) WHEN ( Minimum_comparernd3(3) = '1' ) ELSE
                           Minimum_muxidxrnd2(7);
  Minimum_comparernd3(4) <= '1' WHEN ( Minimum_muxrnd2(8) <= Minimum_muxrnd2(9) ) ELSE '0';

  Minimum_muxrnd3(4) <= Minimum_muxrnd2(8) WHEN ( Minimum_comparernd3(4) = '1' ) ELSE
                        Minimum_muxrnd2(9);
  Minimum_muxidxrnd3(4) <= Minimum_muxidxrnd2(8) WHEN ( Minimum_comparernd3(4) = '1' ) ELSE
                           Minimum_muxidxrnd2(9);
  Minimum_comparernd3(5) <= '1' WHEN ( Minimum_muxrnd2(10) <= Minimum_muxrnd2(11) ) ELSE '0';

  Minimum_muxrnd3(5) <= Minimum_muxrnd2(10) WHEN ( Minimum_comparernd3(5) = '1' ) ELSE
                        Minimum_muxrnd2(11);
  Minimum_muxidxrnd3(5) <= Minimum_muxidxrnd2(10) WHEN ( Minimum_comparernd3(5) = '1' ) ELSE
                           Minimum_muxidxrnd2(11);
  Minimum_comparernd3(6) <= '1' WHEN ( Minimum_muxrnd2(12) <= Minimum_muxrnd2(13) ) ELSE '0';

  Minimum_muxrnd3(6) <= Minimum_muxrnd2(12) WHEN ( Minimum_comparernd3(6) = '1' ) ELSE
                        Minimum_muxrnd2(13);
  Minimum_muxidxrnd3(6) <= Minimum_muxidxrnd2(12) WHEN ( Minimum_comparernd3(6) = '1' ) ELSE
                           Minimum_muxidxrnd2(13);
  Minimum_comparernd3(7) <= '1' WHEN ( Minimum_muxrnd2(14) <= Minimum_muxrnd2(15) ) ELSE '0';

  Minimum_muxrnd3(7) <= Minimum_muxrnd2(14) WHEN ( Minimum_comparernd3(7) = '1' ) ELSE
                        Minimum_muxrnd2(15);
  Minimum_muxidxrnd3(7) <= Minimum_muxidxrnd2(14) WHEN ( Minimum_comparernd3(7) = '1' ) ELSE
                           Minimum_muxidxrnd2(15);
  Minimum_comparernd4(0) <= '1' WHEN ( Minimum_muxrnd3(0) <= Minimum_muxrnd3(1) ) ELSE '0';

  Minimum_muxrnd4(0) <= Minimum_muxrnd3(0) WHEN ( Minimum_comparernd4(0) = '1' ) ELSE
                        Minimum_muxrnd3(1);
  Minimum_muxidxrnd4(0) <= Minimum_muxidxrnd3(0) WHEN ( Minimum_comparernd4(0) = '1' ) ELSE
                           Minimum_muxidxrnd3(1);
  Minimum_comparernd4(1) <= '1' WHEN ( Minimum_muxrnd3(2) <= Minimum_muxrnd3(3) ) ELSE '0';

  Minimum_muxrnd4(1) <= Minimum_muxrnd3(2) WHEN ( Minimum_comparernd4(1) = '1' ) ELSE
                        Minimum_muxrnd3(3);
  Minimum_muxidxrnd4(1) <= Minimum_muxidxrnd3(2) WHEN ( Minimum_comparernd4(1) = '1' ) ELSE
                           Minimum_muxidxrnd3(3);
  Minimum_comparernd4(2) <= '1' WHEN ( Minimum_muxrnd3(4) <= Minimum_muxrnd3(5) ) ELSE '0';

  Minimum_muxrnd4(2) <= Minimum_muxrnd3(4) WHEN ( Minimum_comparernd4(2) = '1' ) ELSE
                        Minimum_muxrnd3(5);
  Minimum_muxidxrnd4(2) <= Minimum_muxidxrnd3(4) WHEN ( Minimum_comparernd4(2) = '1' ) ELSE
                           Minimum_muxidxrnd3(5);
  Minimum_comparernd4(3) <= '1' WHEN ( Minimum_muxrnd3(6) <= Minimum_muxrnd3(7) ) ELSE '0';

  Minimum_muxrnd4(3) <= Minimum_muxrnd3(6) WHEN ( Minimum_comparernd4(3) = '1' ) ELSE
                        Minimum_muxrnd3(7);
  Minimum_muxidxrnd4(3) <= Minimum_muxidxrnd3(6) WHEN ( Minimum_comparernd4(3) = '1' ) ELSE
                           Minimum_muxidxrnd3(7);
  Minimum_comparernd5(0) <= '1' WHEN ( Minimum_muxrnd4(0) <= Minimum_muxrnd4(1) ) ELSE '0';

  Minimum_muxrnd5(0) <= Minimum_muxrnd4(0) WHEN ( Minimum_comparernd5(0) = '1' ) ELSE
                        Minimum_muxrnd4(1);
  Minimum_muxidxrnd5(0) <= Minimum_muxidxrnd4(0) WHEN ( Minimum_comparernd5(0) = '1' ) ELSE
                           Minimum_muxidxrnd4(1);
  Minimum_comparernd5(1) <= '1' WHEN ( Minimum_muxrnd4(2) <= Minimum_muxrnd4(3) ) ELSE '0';

  Minimum_muxrnd5(1) <= Minimum_muxrnd4(2) WHEN ( Minimum_comparernd5(1) = '1' ) ELSE
                        Minimum_muxrnd4(3);
  Minimum_muxidxrnd5(1) <= Minimum_muxidxrnd4(2) WHEN ( Minimum_comparernd5(1) = '1' ) ELSE
                           Minimum_muxidxrnd4(3);
  Minimum_comparernd6 <= '1' WHEN ( Minimum_muxrnd5(0) <= Minimum_muxrnd5(1) ) ELSE '0';

  Minimum_muxrnd6 <= Minimum_muxrnd5(0) WHEN ( Minimum_comparernd6 = '1' ) ELSE
                     Minimum_muxrnd5(1);
  Minimum_muxidxrnd6 <= Minimum_muxidxrnd5(0) WHEN ( Minimum_comparernd6 = '1' ) ELSE
                        Minimum_muxidxrnd5(1);
						
  --Minimum_out1 is for  minimum state measurement					
  Minimum_out1 <= Minimum_muxrnd6;
  --Minimum_out2 is for  Index of minimum 
  Minimum_out2 <= Minimum_muxidxrnd6;


  IDX <= std_logic_vector(Minimum_out2);

  sub_cast <= s(0);
  sub_cast_1 <= Minimum_out1;
  sub_temp <= sub_cast - sub_cast_1;
  Add_out1(0) <= sub_temp;

  sub_cast_2 <= s(1);
  sub_cast_3 <= Minimum_out1;
  sub_temp_1 <= sub_cast_2- sub_cast_3;
  Add_out1(1) <=sub_temp_1;

  sub_cast_4 <= s(2);
  sub_cast_5 <= Minimum_out1;
  sub_temp_2 <= sub_cast_4 - sub_cast_5;
  Add_out1(2) <= sub_temp_2;

  sub_cast_6 <= s(3);
  sub_cast_7 <= Minimum_out1;
  sub_temp_3 <= sub_cast_6 - sub_cast_7;
  Add_out1(3) <= sub_temp_3;

  sub_cast_8 <= s(4);
  sub_cast_9 <= Minimum_out1;
  sub_temp_4 <= sub_cast_8 - sub_cast_9;
  Add_out1(4) <= sub_temp_4;

  sub_cast_10 <= s(5);
  sub_cast_11 <= Minimum_out1;
  sub_temp_5 <= sub_cast_10 - sub_cast_11;
  Add_out1(5) <= sub_temp_5;

  sub_cast_12 <= s(6);
  sub_cast_13 <= Minimum_out1;
  sub_temp_6 <= sub_cast_12 - sub_cast_13;
  Add_out1(6) <= sub_temp_6;

  sub_cast_14 <= s(7);
  sub_cast_15 <= Minimum_out1;
  sub_temp_7 <= sub_cast_14 - sub_cast_15;
  Add_out1(7) <= sub_temp_7;

  sub_cast_16 <= s(8);
  sub_cast_17 <= Minimum_out1;
  sub_temp_8 <= sub_cast_16 - sub_cast_17;
  Add_out1(8) <= sub_temp_8;

  sub_cast_18 <= s(9);
  sub_cast_19 <= Minimum_out1;
  sub_temp_9 <= sub_cast_18 - sub_cast_19;
  Add_out1(9) <= sub_temp_9;

  sub_cast_20 <= s(10);
  sub_cast_21 <= Minimum_out1;
  sub_temp_10 <= sub_cast_20 - sub_cast_21;
  Add_out1(10) <= sub_temp_10;

  sub_cast_22 <= s(11);
  sub_cast_23 <= Minimum_out1;
  sub_temp_11 <= sub_cast_22 - sub_cast_23;
  Add_out1(11) <= sub_temp_11;

  sub_cast_24 <= s(12);
  sub_cast_25 <= Minimum_out1;
  sub_temp_12 <= sub_cast_24 - sub_cast_25;
  Add_out1(12) <= sub_temp_12;

  sub_cast_26 <= s(13);
  sub_cast_27 <= Minimum_out1;
  sub_temp_13 <= sub_cast_26 - sub_cast_27;
  Add_out1(13) <= sub_temp_13;

  sub_cast_28 <= s(14);