tanh

library IEEE;
use IEEE.STD_LOGIC_1164.ALL;


entity tanh is
Port (
    aclock : IN STD_LOGIC;
    in_valid : IN STD_LOGIC;
    in_data : IN STD_LOGIC_VECTOR(15 DOWNTO 0);
    out_valid : OUT STD_LOGIC;
    out_data : OUT STD_LOGIC_VECTOR(15 DOWNTO 0)
 );
end tanh;

architecture Behavioral of tanh is
signal sin, cos, result, tmp : STD_LOGIC_VECTOR(15 DOWNTO 0);
signal sincos : STD_LOGIC_VECTOR(31 DOWNTO 0);
signal optional_out1 : STD_LOGIC_VECTOR (0 downto 0) ;
signal final_sign, sinsign, cossign ,sinhvalid,coshvalid,tanhvalid ,optional_out: STD_LOGIC;
COMPONENT cordic
  PORT (
    aclk : IN STD_LOGIC;
    s_axis_phase_tvalid : IN STD_LOGIC;
    s_axis_phase_tdata : IN STD_LOGIC_VECTOR(15 DOWNTO 0);
    m_axis_dout_tvalid : OUT STD_LOGIC;
    m_axis_dout_tdata : OUT STD_LOGIC_VECTOR(31 DOWNTO 0)
  );
END COMPONENT;

COMPONENT div_gen_0
  PORT (
    aclk : IN STD_LOGIC;
    s_axis_divisor_tvalid : IN STD_LOGIC;
    s_axis_divisor_tready : OUT STD_LOGIC;
    s_axis_divisor_tdata : IN STD_LOGIC_VECTOR(15 DOWNTO 0);
    s_axis_dividend_tvalid : IN STD_LOGIC;
    s_axis_dividend_tready : OUT STD_LOGIC;
    s_axis_dividend_tdata : IN STD_LOGIC_VECTOR(15 DOWNTO 0);
    m_axis_dout_tvalid : OUT STD_LOGIC;
    m_axis_dout_tuser : OUT STD_LOGIC_VECTOR(0 DOWNTO 0);
    m_axis_dout_tdata : OUT STD_LOGIC_VECTOR(15 DOWNTO 0)
  );
END COMPONENT;


begin

sinhcosh : cordic
  PORT MAP (
    aclk => aclock,
    s_axis_phase_tvalid => in_valid,
    s_axis_phase_tdata => in_data,
    m_axis_dout_tvalid => sinhvalid,
    m_axis_dout_tdata => sincos
  );







  sin <=  sincos(31 downto 16);


  cos <=  sincos(15 downto 0);




    tanh_divider : div_gen_0
    PORT MAP (
      aclk => aclock,
      s_axis_divisor_tvalid => sinhvalid,
      s_axis_divisor_tready =>optional_out ,
      -- doroste khate bala?
      s_axis_divisor_tdata => cos,
      s_axis_dividend_tvalid => sinhvalid,
      s_axis_dividend_tready => optional_out,
      s_axis_dividend_tdata => sin,
      m_axis_dout_tvalid => out_valid,
      m_axis_dout_tuser => optional_out1 ,
      m_axis_dout_tdata => out_data
    );,vi
    -- kollan doroste?



end Behavioral;