VHDL Syntax error in user defined package RNG for genetic algorithm in line number 5 - syntax-error

Question

Library IEEE;
use IEEE.STD_LOGIC_1164.ALL;
use IEEE.STD_LOGIC_ARITH.ALL;
use IEEE.STD_LOGIC_UNSIGNED.ALL;
Type arr is array (1 to mut_bits) of integer;
type chrom_matrix is array (1 to pop_size) of std_logic_vector(1 to n_comp);
type fitness_arr is array (1 to pop_size) of integer range 0 to 1000;
--type fitness_arr1 is array(1 to pop_size) of real;
type adj_matrix is array (1 to n_comp,1 to n_comp) of bit;
function evalfnc (signal chromosome: in std_logic_vector(1 to 8); signal cut_info:adj_matrix) return integer;
procedure randg (variable x,y,t:in integer range 0 to 1000; variable z: out integer);
procedure convert_bit(variable a:in integer;variable y:out std_logic_vector(8 downto 1));
end rng;
package body rng is
procedure randg (variable x,y,t:in integer range 0 to 1000; variable z: out integer) is
variable val, a:integer range 0 to 1000:= 0;
begin
if x>y then
a:= x-y;
else
a:= y-x;
end if;
if t > 3*a then
val:= (t-a)/2;
elsif t > a then
val:= t-a;
else
val:= (x+y+t)/2;
end if;
z:= val;
end randg;
function evalfnc (signal chromosome: in std_logic_vector(1 to 8); signal cut_info:adj_matrix) return integer is
variable fitness: integer range 0 to 500:= 0;
variable cut_val: integer range 0 to 15:= 0;
variable max_fit:integer range 0 to 360:=100;
begin
for i in 1 to n_comp loop
for j in 1 to n_comp loop
if cut_info(i,j)= ‘1’ then
cut_val:= cut_val +1;
end if;
end loop;
end loop;
fitness := max_fit - cut_val;
return fitness;
end evalfnc;
procedure convert_bit(variable a:in integer ; variable y:out std_logic_vector(8 downto 1)) is
variable no:std_logic_vector(8 downto 1):=”00000000”;
variable num: integer range 0 to 256;
begin
num:= a;
if num <= 255 and num>= 128 then
no(8):=’1’;
num:=num - 128;
end if;
if num < 128 and num >= 64 then
no(7):=’1’;
num:=num - 64;
end if;
if num < 64 and num >= 32 then
no(6):=’1’;
num:=num −32;
end if;
if num < 32 and num >= 16 then
no(5):=’1’;
num:=num - 16;
end if;
if num < 16 and num >= 8 then
no(4):=’1’;
num:=num - 8;
end if;
if num < 8 and num >= 4 then
no(3):=’1’;
num:=num - 4;
end if;
if num < 4 and num >= 2 then
no(2):=’1’;
num:=num - 2;
end if;
if num < 2 then
no(1):=’1’;
end if;
y:= no;
end convert_bit;
end rng;

Answer 1

Line 5 should read package rng is.