diff options
Diffstat (limited to 'libraries/ieee2008/float_generic_pkg.vhdl')
| -rw-r--r-- | libraries/ieee2008/float_generic_pkg.vhdl | 67 |
1 files changed, 35 insertions, 32 deletions
diff --git a/libraries/ieee2008/float_generic_pkg.vhdl b/libraries/ieee2008/float_generic_pkg.vhdl index c83542965..97adbffb6 100644 --- a/libraries/ieee2008/float_generic_pkg.vhdl +++ b/libraries/ieee2008/float_generic_pkg.vhdl @@ -1,17 +1,20 @@ --- -------------------------------------------------------------------- --- --- Copyright © 2008 by IEEE. All rights reserved. --- --- This source file is an essential part of IEEE Std 1076-2008, --- IEEE Standard VHDL Language Reference Manual. This source file may not be --- copied, sold, or included with software that is sold without written --- permission from the IEEE Standards Department. This source file may be --- copied for individual use between licensed users. This source file is --- provided on an AS IS basis. The IEEE disclaims ANY WARRANTY EXPRESS OR --- IMPLIED INCLUDING ANY WARRANTY OF MERCHANTABILITY AND FITNESS FOR USE --- FOR A PARTICULAR PURPOSE. The user of the source file shall indemnify --- and hold IEEE harmless from any damages or liability arising out of the --- use thereof. +-- ----------------------------------------------------------------- +-- +-- Copyright 2019 IEEE P1076 WG Authors +-- +-- See the LICENSE file distributed with this work for copyright and +-- licensing information and the AUTHORS file. +-- +-- This file to you under the Apache License, Version 2.0 (the "License"). +-- You may obtain a copy of the License at +-- +-- http://www.apache.org/licenses/LICENSE-2.0 +-- +-- Unless required by applicable law or agreed to in writing, software +-- distributed under the License is distributed on an "AS IS" BASIS, +-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or +-- implied. See the License for the specific language governing +-- permissions and limitations under the License. -- -- Title : Floating-point package (Generic package declaration) -- : @@ -67,7 +70,7 @@ package float_generic_pkg is -- Author David Bishop (dbishop@vhdl.org) constant CopyRightNotice : STRING := - "Copyright 2008 by IEEE. All rights reserved."; + "Copyright IEEE P1076 WG. Licensed Apache 2.0"; use fixed_pkg.all; @@ -805,7 +808,7 @@ package float_generic_pkg is -- Returns y * 2**n for integral values of N without computing 2**n function Scalb ( y : UNRESOLVED_float; -- floating point input - N : INTEGER; -- exponent to add + N : INTEGER; -- exponent to add constant round_style : round_type := float_round_style; -- rounding option constant check_error : BOOLEAN := float_check_error; -- check for errors constant denormalize : BOOLEAN := float_denormalize) -- Use IEEE extended FP @@ -814,7 +817,7 @@ package float_generic_pkg is -- Returns y * 2**n for integral values of N without computing 2**n function Scalb ( y : UNRESOLVED_float; -- floating point input - N : UNRESOLVED_SIGNED; -- exponent to add + N : UNRESOLVED_SIGNED; -- exponent to add constant round_style : round_type := float_round_style; -- rounding option constant check_error : BOOLEAN := float_check_error; -- check for errors constant denormalize : BOOLEAN := float_denormalize) -- Use IEEE extended FP @@ -900,8 +903,8 @@ package float_generic_pkg is alias BREAD is READ [LINE, UNRESOLVED_float, BOOLEAN]; alias BREAD is READ [LINE, UNRESOLVED_float]; alias BWRITE is WRITE [LINE, UNRESOLVED_float, SIDE, WIDTH]; - alias BINARY_READ is READ [LINE, UNRESOLVED_FLOAT, BOOLEAN]; - alias BINARY_READ is READ [LINE, UNRESOLVED_FLOAT]; + alias BINARY_READ is READ [LINE, UNRESOLVED_float, BOOLEAN]; + alias BINARY_READ is READ [LINE, UNRESOLVED_float]; alias BINARY_WRITE is WRITE [LINE, UNRESOLVED_float, SIDE, WIDTH]; procedure OWRITE ( @@ -914,9 +917,9 @@ package float_generic_pkg is procedure OREAD (L : inout LINE; VALUE : out UNRESOLVED_float); procedure OREAD (L : inout LINE; VALUE : out UNRESOLVED_float; GOOD : out BOOLEAN); - alias OCTAL_READ is OREAD [LINE, UNRESOLVED_FLOAT, BOOLEAN]; - alias OCTAL_READ is OREAD [LINE, UNRESOLVED_FLOAT]; - alias OCTAL_WRITE is OWRITE [LINE, UNRESOLVED_FLOAT, SIDE, WIDTH]; + alias OCTAL_READ is OREAD [LINE, UNRESOLVED_float, BOOLEAN]; + alias OCTAL_READ is OREAD [LINE, UNRESOLVED_float]; + alias OCTAL_WRITE is OWRITE [LINE, UNRESOLVED_float, SIDE, WIDTH]; -- Hex write with padding, no separators procedure HWRITE ( @@ -929,22 +932,22 @@ package float_generic_pkg is procedure HREAD (L : inout LINE; VALUE : out UNRESOLVED_float); procedure HREAD (L : inout LINE; VALUE : out UNRESOLVED_float; GOOD : out BOOLEAN); - alias HEX_READ is HREAD [LINE, UNRESOLVED_FLOAT, BOOLEAN]; - alias HEX_READ is HREAD [LINE, UNRESOLVED_FLOAT]; - alias HEX_WRITE is HWRITE [LINE, UNRESOLVED_FLOAT, SIDE, WIDTH]; + alias HEX_READ is HREAD [LINE, UNRESOLVED_float, BOOLEAN]; + alias HEX_READ is HREAD [LINE, UNRESOLVED_float]; + alias HEX_WRITE is HWRITE [LINE, UNRESOLVED_float, SIDE, WIDTH]; -- returns "S:EEEE:FFFFFFFF" function to_string (value : UNRESOLVED_float) return STRING; - alias TO_BSTRING is TO_STRING [UNRESOLVED_FLOAT return STRING]; - alias TO_BINARY_STRING is TO_STRING [UNRESOLVED_FLOAT return STRING]; + alias TO_BSTRING is TO_STRING [UNRESOLVED_float return STRING]; + alias TO_BINARY_STRING is TO_STRING [UNRESOLVED_float return STRING]; -- Returns a HEX string, with padding function to_hstring (value : UNRESOLVED_float) return STRING; - alias TO_HEX_STRING is TO_HSTRING [UNRESOLVED_FLOAT return STRING]; + alias TO_HEX_STRING is to_hstring [UNRESOLVED_float return STRING]; -- Returns and octal string, with padding function to_ostring (value : UNRESOLVED_float) return STRING; - alias TO_OCTAL_STRING is TO_OSTRING [UNRESOLVED_FLOAT return STRING]; + alias TO_OCTAL_STRING is to_ostring [UNRESOLVED_float return STRING]; function from_string ( bstring : STRING; -- binary string @@ -973,7 +976,7 @@ package float_generic_pkg is function from_string ( bstring : STRING; -- binary string - size_res : UNRESOLVED_float) -- used for sizing only + size_res : UNRESOLVED_float) -- used for sizing only return UNRESOLVED_float; alias from_bstring is from_string [STRING, UNRESOLVED_float return UNRESOLVED_float]; @@ -982,14 +985,14 @@ package float_generic_pkg is function from_ostring ( ostring : STRING; -- Octal string - size_res : UNRESOLVED_float) -- used for sizing only + size_res : UNRESOLVED_float) -- used for sizing only return UNRESOLVED_float; alias from_octal_string is from_ostring [STRING, UNRESOLVED_float return UNRESOLVED_float]; function from_hstring ( hstring : STRING; -- hex string - size_res : UNRESOLVED_float) -- used for sizing only + size_res : UNRESOLVED_float) -- used for sizing only return UNRESOLVED_float; alias from_hex_string is from_hstring [STRING, UNRESOLVED_float return UNRESOLVED_float]; |