URL https://opencores.org/ocsvn/artificial_neural_network/artificial_neural_network/trunk

Subversion Repositories artificial_neural_network

[/] [artificial_neural_network/] [trunk/] [ANN_kernel/] [RTL_VHDL_files/] [af_sigmoid.vhd] - Diff between revs 9 and 10

Rev 9	Rev 10
Line 44...	Line 44...
`architecture Behavioral of af_sigmoid is`	`architecture Behavioral of af_sigmoid is`

`-- Definition of internal modules, constants, signals, etc...`	`-- Definition of internal modules, constants, signals, etc...`

`-- Sigmoid parameters:`	`-- Sigmoid parameters:`
`constant f0 : real := 2.0; -- Slope at the origin`	`constant f0 : real := 1.0; -- Slope at the origin`
`constant fr : real := 2.0; -- fr = fmax - fmin`	`constant fr : real := 2.0; -- fr = fmax - fmin`

`signal dataIn: integer range (2**Nbit-1) downto 0; -- To convert std_logic_vector input to integer index for the LUT`	`signal dataIn: integer range (2**Nbit-1) downto 0; -- To convert std_logic_vector input to integer index for the LUT`
`type table_t is array(0 to (2**Nbit)-1) of std_logic_vector(Nbit-1 downto 0); -- LUT type`	`type table_t is array(0 to (2**Nbit)-1) of std_logic_vector(Nbit-1 downto 0); -- LUT type`