56 lines
2.6 KiB
VHDL
56 lines
2.6 KiB
VHDL
-- --------------------------------------------------------------------
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--
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-- Copyright © 2008 by IEEE.
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--
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-- This source file is an essential part of IEEE Std 1076-2008,
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-- IEEE Standard VHDL Language Reference Manual. Verbatim copies of this
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-- source file may be used and distributed without restriction.
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-- Modifications to this source file as permitted in IEEE Std 1076-2008
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-- may also be made and distributed. All other uses require permission
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-- from the IEEE Standards Department(stds-ipr@ieee.org).
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-- All other rights reserved.
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--
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-- This source file is provided on an AS IS basis. The IEEE disclaims ANY
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-- WARRANTY EXPRESS OR IMPLIED INCLUDING ANY WARRANTY OF MERCHANTABILITY
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-- AND FITNESS FOR USE FOR A PARTICULAR PURPOSE. The user of the source file
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-- shall indemnify and hold IEEE harmless from any damages or liability
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-- arising out of the use thereof.
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--
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-- Title : Floating-point package (Instantiated package declaration)
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-- :
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-- Library : This package shall be compiled into a library
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-- : symbolically named IEEE.
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-- :
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-- Developers: Accellera VHDL-TC and IEEE P1076 Working Group
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-- :
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-- Purpose : This packages defines basic binary floating point
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-- : arithmetic functions
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-- :
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-- Note : This package may be modified to include additional data
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-- : required by tools, but it must in no way change the
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-- : external interfaces or simulation behavior of the
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-- : description. It is permissible to add comments and/or
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-- : attributes to the package declarations, but not to change
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-- : or delete any original lines of the package declaration.
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-- : The package body may be changed only in accordance with
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-- : the terms of Clause 16 of this standard.
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-- :
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-- --------------------------------------------------------------------
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-- $Revision: 1220 $
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-- $Date: 2008-04-10 17:16:09 +0930 (Thu, 10 Apr 2008) $
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-- --------------------------------------------------------------------
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library ieee;
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package float_pkg is new IEEE.float_generic_pkg
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generic map (
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float_exponent_width => 8, -- float32'high
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float_fraction_width => 23, -- -float32'low
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float_round_style => IEEE.fixed_float_types.round_nearest, -- round nearest algorithm
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float_denormalize => true, -- Use IEEE extended floating
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float_check_error => true, -- Turn on NAN and overflow processing
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float_guard_bits => 3, -- number of guard bits
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no_warning => false, -- show warnings
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fixed_pkg => IEEE.fixed_pkg
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);
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