/usr/share/ada/adainclude/gmpada/gnu_multiple_precision-big_rationals.ads is in libgmpada4-dev 0.0.20131223-1.
This file is owned by root:root, with mode 0o644.
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-- Copyright (C) 2007-2010 Nicolas Boulenguez <nicolas.boulenguez@free.fr>
--
-- This program is free software: you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation, either version 3 of the License, or
-- (at your option) any later version.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with this program. If not, see <http://www.gnu.org/licenses/>.
package GNU_Multiple_Precision.Big_Rationals is
-- TODO Compare with Big_Integers seeking forgotten functions.
pragma Preelaborate;
subtype A_Comparison is Interfaces.C.int range Interfaces.C."-" (1) .. 1;
procedure Canonicalize (Op : in out Big_Rational);
procedure Set (Rop : in out Big_Rational;
Op : in Big_Rational);
function "+" (Right : Big_Rational) return Big_Rational;
procedure Set (Rop : in out Big_Rational;
Op : in Big_Integer);
function To_Big_Rational (Item : Big_Integer) return Big_Rational;
procedure Swap (Rop1, Rop2 : in out Big_Rational);
procedure Add
(Sum : in out Big_Rational;
Addend1, Addend2 : in Big_Rational);
function "+" (Left, Right : Big_Rational) return Big_Rational;
procedure Subtract
(Difference : in out Big_Rational;
Minuend, Subtrahend : in Big_Rational);
function "-" (Left, Right : Big_Rational) return Big_Rational;
procedure Multiply
(Product : in out Big_Rational;
Multiplier, Multiplicand : in Big_Rational);
function "*" (Left, Right : Big_Rational) return Big_Rational;
procedure Multiply_2exp
(Rop : in out Big_Rational;
Op1 : in Big_Rational;
Op2 : in Bit_Count);
procedure Divide
(Quotient : in out Big_Rational;
Dividend, Divisor : in Big_Rational);
function "/" (Left, Right : Big_Rational) return Big_Rational;
procedure Negate
(Negated_Operand : in out Big_Rational;
Operand : in Big_Rational);
function "-" (Right : Big_Rational) return Big_Rational;
procedure Absolute_Value
(Rop : in out Big_Rational;
Op : in Big_Rational);
function "abs" (Right : Big_Rational) return Big_Rational;
procedure Invert
(Inverted_Number : in out Big_Rational;
Number : in Big_Rational);
procedure Exponentiate
(Rop : in out Big_Rational;
Op : in Big_Rational;
Exponent : in Integer'Base);
function "**" (Left : Big_Rational;
Right : Integer'Base) return Big_Rational;
function "<" (Left, Right : Big_Rational) return Boolean;
function "<=" (Left, Right : Big_Rational) return Boolean;
function ">" (Left, Right : Big_Rational) return Boolean;
function ">=" (Left, Right : Big_Rational) return Boolean;
function Sign (Item : Big_Rational) return A_Sign;
-- TODO procedure Swap_Denominator....
-- and so on.
-- Is it a safe and efficient replacement for access types?
-- TODO: check this
-- The Mpq_T Get procedures DO canonicalize user input.
-- The Mp[qz]_T Get procedures do NOT support exponents for now
-- Is it useful for integer types ?
generic
type Num is range <>;
package Integer_Conversions is
subtype Positive_Num is Num range 1 .. Num'Last;
procedure Set
(Rop : in out Big_Rational;
Numerator : in Num;
Denominator : in Positive_Num;
Canonicalize : in Boolean := True);
function To_Big_Rational (Item : Num) return Big_Rational;
function Fits_In_Num (Item : Big_Rational) return Boolean;
function To_Num (Item : Big_Rational) return Num;
function "=" (Left : Big_Rational; Right : Num) return Boolean;
function "=" (Left : Num; Right : Big_Rational) return Boolean;
function "<" (Left : Big_Rational; Right : Num) return Boolean;
function "<" (Left : Num; Right : Big_Rational) return Boolean;
function "<=" (Left : Big_Rational; Right : Num) return Boolean;
function "<=" (Left : Num; Right : Big_Rational) return Boolean;
function ">" (Left : Big_Rational; Right : Num) return Boolean;
function ">" (Left : Num; Right : Big_Rational) return Boolean;
function ">=" (Left : Big_Rational; Right : Num) return Boolean;
function ">=" (Left : Num; Right : Big_Rational) return Boolean;
function Compare
(Left : Big_Rational;
Right_Numerator : Num;
Right_Denominator : Positive_Num)
return A_Comparison;
private
pragma Inline (Set);
pragma Inline (To_Big_Rational);
pragma Inline (Fits_In_Num);
pragma Inline (To_Num);
pragma Inline ("=");
pragma Inline ("<=");
pragma Inline ("<");
pragma Inline (">=");
pragma Inline (">");
pragma Inline (Compare);
end Integer_Conversions;
generic
type Num is digits <>;
package Float_Conversions is
procedure Set
(Rop : in out Big_Rational;
Op : in Num);
function To_Big_Rational (Item : Num) return Big_Rational;
function To_Num (Item : Big_Rational) return Num;
private
pragma Inline (Set);
pragma Inline (To_Big_Rational);
pragma Inline (To_Num);
end Float_Conversions;
procedure Set (Rop : in out Big_Integer;
Op : in Big_Rational);
function To_Big_Integer (Item : Big_Rational) return Big_Integer;
procedure Get_Numerator
(Value : in out Big_Integer;
Item : in Big_Rational);
function Numerator (Item : Big_Rational) return Big_Integer;
procedure Get_Denominator
(Value : in out Big_Integer;
Item : in Big_Rational);
function Denominator (Item : Big_Rational) return Big_Integer;
procedure Set_Numerator
(Item : in out Big_Rational;
New_Value : in Big_Integer;
Canonicalize : in Boolean := True);
procedure Set_Denominator
(Item : in out Big_Rational;
New_Value : in Big_Integer;
Canonicalize : in Boolean := True);
procedure Set (Rop : in out Big_Rational;
Op : in Big_Float);
procedure Set (Rop : in out Big_Float;
Op : in Big_Rational);
function Image (Arg : Big_Rational) return String;
function Wide_Image (Arg : Big_Rational) return Wide_String;
function Wide_Wide_Image (Arg : Big_Rational) return Wide_Wide_String;
-- TODO: optimize a bit...
-- TODO (Wide) Value
private
pragma Inline ("<=");
pragma Inline ("<");
pragma Inline (">=");
pragma Inline (">");
pragma Inline ("-");
pragma Inline ("/");
pragma Inline ("*");
pragma Inline ("**");
pragma Inline ("+");
pragma Inline ("abs");
pragma Inline (Absolute_Value);
pragma Inline (Add);
pragma Inline (Canonicalize);
pragma Inline (Denominator);
pragma Inline (Divide);
pragma Inline (Get_Denominator);
pragma Inline (Get_Numerator);
pragma Inline (Invert);
pragma Inline (Multiply);
pragma Inline (Multiply_2exp);
pragma Inline (Negate);
pragma Inline (Numerator);
pragma Inline (Set);
pragma Inline (Set_Denominator);
pragma Inline (Set_Numerator);
pragma Inline (Sign);
pragma Inline (Subtract);
pragma Inline (Swap);
pragma Inline (To_Big_Integer);
pragma Inline (To_Big_Rational);
pragma Inline (Wide_Image);
pragma Inline (Wide_Wide_Image);
end GNU_Multiple_Precision.Big_Rationals;
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