farhaenis
Newbie level 5
meaning of an expression
In the code vhdl of the JPEG2000,i dont understand what's the meaning of this expression:
FUNCTION filter_5_3_even(x, yp, yn : SIGNED(CST_BUF_DATA_BUS_WIDTH - 1 DOWNTO 0)) RETURN SIGNED IS
BEGIN
RETURN x + SHIFT_RIGHT(yp + yn + 2, 2);
END;
This function ε to the DWT bloc.
Can any one please help me?
In the code vhdl of the JPEG2000,i dont understand what's the meaning of this expression:
FUNCTION filter_5_3_even(x, yp, yn : SIGNED(CST_BUF_DATA_BUS_WIDTH - 1 DOWNTO 0)) RETURN SIGNED IS
BEGIN
RETURN x + SHIFT_RIGHT(yp + yn + 2, 2);
END;
This function ε to the DWT bloc.
Can any one please help me?