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48 lines (42 loc) · 2.01 KB
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-- -----------------------------------------------------------------------------
-- Copyright (C) 2003-2019 Stichting Mapcode Foundation (http://www.mapcode.com)
--
-- Licensed under the Apache License, Version 2.0 (the "License");
-- you may not use this file except in compliance with 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.
-- -----------------------------------------------------------------------------
-- Bit operations
package Mapcode_Utils.Bits is
-- Bit and, bit or, bit neg, shift left and shift right
-- Operations on integers
function "And" (Left, Right : Integer) return Integer with Inline => True;
function "Or" (Left, Right : Integer) return Integer with Inline => True;
function "Xor" (Left, Right : Integer) return Integer with Inline => True;
function "Not" (Val : Integer) return Integer with Inline => True;
function Shl (Val : Integer; Bits : Integer) return Integer
with Inline => True;
function Shr (Val : Integer; Bits : Integer) return Integer
with Inline => True;
-- Operations on long long integers
subtype Ll_Integer is Long_Long_Integer;
function "And" (Left, Right : Ll_Integer) return Ll_Integer
with Inline => True;
function "Or" (Left, Right : Ll_Integer) return Ll_Integer
with Inline => True;
function "Xor" (Left, Right : Ll_Integer) return Ll_Integer
with Inline => True;
function "Not" (Val : Ll_Integer) return Long_Long_Integer
with Inline => True;
function Shl (Val : Ll_Integer; Bits : Integer) return Ll_Integer
with Inline => True;
function Shr (Val : Ll_Integer; Bits : Integer) return Ll_Integer
with Inline => True;
end Mapcode_Utils.Bits;