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

Subversion Repositories xilinx_virtex_fp_library

[/] [xilinx_virtex_fp_library/] [trunk/] [GeneralPrecMAF/] [accumulate.v] - Diff between revs 3 and 9

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`// Revision:`	`// Revision:`
`// Revision 0.01 - File Created`	`// Revision 0.01 - File Created`
`// Additional Comments:`	`// Additional Comments:`
`//`	`//`
`//////////////////////////////////////////////////////////////////////////////////`	`//////////////////////////////////////////////////////////////////////////////////`
`module accumulate #( parameter size_mantissa = 24, //mantissa bits`	`module accumulate #( parameter size_mul_mantissa = 48) //mantissa bits)`
`parameter size_counter = 5, //log2(size_quotient) + 1 = 5`	`( input [size_mul_mantissa - 1:0] m_a,`
`parameter size_mul_mantissa = size_mantissa + size_mantissa)`	`input [size_mul_mantissa - 1:0] m_b,`
`( input [size_mul_mantissa-1:0] ab_number_i,`	`input eff_op,`
`input [size_mul_mantissa-1:0] c_number_i,`	`output[size_mul_mantissa + 1 : 0] adder_mantissa);`
`input sub,`
`output ovf,`
`output[size_mul_mantissa :0] acc_resulting_number_o);`

`assign {ovf, acc_resulting_number_o} = sub? ((ab_number_i >=c_number_i)? (ab_number_i - c_number_i) : (c_number_i - ab_number_i)) : c_number_i + ab_number_i;`	`assign adder_mantissa = (eff_op)? ({1'b0, m_a} - {1'b0, m_b}) : ({1'b0, m_a} + {1'b0, m_b});`

`endmodule`	`endmodule`

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