src/synth/types_utils.ads


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--  Utils for common types.
--  Copyright (C) 2019 Tristan Gingold
--
--  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 2 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 <gnu.org/licenses>.

with Ada.Unchecked_Conversion;

with Types; use Types;

package Types_Utils is
   function To_Int32 is new Ada.Unchecked_Conversion
     (Uns32, Int32);

   function To_Uns32 is new Ada.Unchecked_Conversion
     (Int32, Uns32);

   function To_Uns64 is new Ada.Unchecked_Conversion
     (Int64, Uns64);

   function To_Int64 is new Ada.Unchecked_Conversion
     (Uns64, Int64);

   function To_Uns64 is new Ada.Unchecked_Conversion
     (Fp64, Uns64);

   --  Sign extend V: bit SZ is copied to bits SZ + 1 .. 63/31.
   function Sext (V : Uns64; Sz : Natural) return Uns64;
   function Sext (V : Uns32; Sz : Natural) return Uns32;
end Types_Utils;