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fifo_push : in std_logic; -- push data in exponent fifo
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fifo_push : in std_logic; -- push data in exponent fifo
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fifo_full : out std_logic; -- high if fifo is full
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fifo_full : out std_logic; -- high if fifo is full
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fifo_nopush : out std_logic; -- high if error during push
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fifo_nopush : out std_logic; -- high if error during push
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-- control signals
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-- control signals
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start : in std_logic; -- start multiplication/exponentiation
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start : in std_logic; -- start multiplication/exponentiation
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run_auto : in std_logic; -- single multiplication if low, exponentiation if high
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exp_m : in std_logic; -- single multiplication if low, exponentiation if high
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ready : out std_logic; -- calculations done
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ready : out std_logic; -- calculations done
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x_sel_single : in std_logic_vector (1 downto 0); -- single multiplication x operand selection
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x_sel_single : in std_logic_vector (1 downto 0); -- single multiplication x operand selection
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y_sel_single : in std_logic_vector (1 downto 0); -- single multiplication y operand selection
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y_sel_single : in std_logic_vector (1 downto 0); -- single multiplication y operand selection
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dest_op_single : in std_logic_vector (1 downto 0); -- result destination operand selection
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dest_op_single : in std_logic_vector (1 downto 0); -- result destination operand selection
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p_sel : in std_logic_vector (1 downto 0); -- pipeline part selection
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p_sel : in std_logic_vector (1 downto 0); -- pipeline part selection
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