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+------------------------------------------------------------------------------
+-- --
+-- GNAT RUN-TIME COMPONENTS --
+-- --
+-- S Y S T E M . V A X _ F L O A T _ O P E R A T I O N S --
+-- --
+-- B o d y --
+-- --
+-- Copyright (C) 1997-2012, Free Software Foundation, Inc. --
+-- --
+-- GNAT is free software; you can redistribute it and/or modify it under --
+-- terms of the GNU General Public License as published by the Free Soft- --
+-- ware Foundation; either version 3, or (at your option) any later ver- --
+-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
+-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
+-- or FITNESS FOR A PARTICULAR PURPOSE. --
+-- --
+-- As a special exception under Section 7 of GPL version 3, you are granted --
+-- additional permissions described in the GCC Runtime Library Exception, --
+-- version 3.1, as published by the Free Software Foundation. --
+-- --
+-- You should have received a copy of the GNU General Public License and --
+-- a copy of the GCC Runtime Library Exception along with this program; --
+-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
+-- <http://www.gnu.org/licenses/>. --
+-- --
+-- GNAT was originally developed by the GNAT team at New York University. --
+-- Extensive contributions were provided by Ada Core Technologies Inc. --
+-- --
+------------------------------------------------------------------------------
+
+-- This is a dummy body for use on non-Alpha systems so that the library
+-- can compile. This dummy version uses ordinary conversions and other
+-- arithmetic operations. It is used only for testing purposes in the
+-- case where the -gnatdm switch is used to force testing of VMS features
+-- on non-VMS systems.
+
+with System.IO;
+
+package body System.Vax_Float_Operations is
+ pragma Warnings (Off);
+ -- Warnings about infinite recursion when the -gnatdm switch is used
+
+ -----------
+ -- Abs_F --
+ -----------
+
+ function Abs_F (X : F) return F is
+ begin
+ return abs X;
+ end Abs_F;
+
+ -----------
+ -- Abs_G --
+ -----------
+
+ function Abs_G (X : G) return G is
+ begin
+ return abs X;
+ end Abs_G;
+
+ -----------
+ -- Add_F --
+ -----------
+
+ function Add_F (X, Y : F) return F is
+ begin
+ return X + Y;
+ end Add_F;
+
+ -----------
+ -- Add_G --
+ -----------
+
+ function Add_G (X, Y : G) return G is
+ begin
+ return X + Y;
+ end Add_G;
+
+ ------------
+ -- D_To_G --
+ ------------
+
+ function D_To_G (X : D) return G is
+ begin
+ return G (X);
+ end D_To_G;
+
+ --------------------
+ -- Debug_Output_D --
+ --------------------
+
+ procedure Debug_Output_D (Arg : D) is
+ begin
+ System.IO.Put (D'Image (Arg));
+ end Debug_Output_D;
+
+ --------------------
+ -- Debug_Output_F --
+ --------------------
+
+ procedure Debug_Output_F (Arg : F) is
+ begin
+ System.IO.Put (F'Image (Arg));
+ end Debug_Output_F;
+
+ --------------------
+ -- Debug_Output_G --
+ --------------------
+
+ procedure Debug_Output_G (Arg : G) is
+ begin
+ System.IO.Put (G'Image (Arg));
+ end Debug_Output_G;
+
+ --------------------
+ -- Debug_String_D --
+ --------------------
+
+ Debug_String_Buffer : String (1 .. 32);
+ -- Buffer used by all Debug_String_x routines for returning result
+
+ function Debug_String_D (Arg : D) return System.Address is
+ Image_String : constant String := D'Image (Arg) & ASCII.NUL;
+ Image_Size : constant Integer := Image_String'Length;
+
+ begin
+ Debug_String_Buffer (1 .. Image_Size) := Image_String;
+ return Debug_String_Buffer (1)'Address;
+ end Debug_String_D;
+
+ --------------------
+ -- Debug_String_F --
+ --------------------
+
+ function Debug_String_F (Arg : F) return System.Address is
+ Image_String : constant String := F'Image (Arg) & ASCII.NUL;
+ Image_Size : constant Integer := Image_String'Length;
+
+ begin
+ Debug_String_Buffer (1 .. Image_Size) := Image_String;
+ return Debug_String_Buffer (1)'Address;
+ end Debug_String_F;
+
+ --------------------
+ -- Debug_String_G --
+ --------------------
+
+ function Debug_String_G (Arg : G) return System.Address is
+ Image_String : constant String := G'Image (Arg) & ASCII.NUL;
+ Image_Size : constant Integer := Image_String'Length;
+
+ begin
+ Debug_String_Buffer (1 .. Image_Size) := Image_String;
+ return Debug_String_Buffer (1)'Address;
+ end Debug_String_G;
+
+ -----------
+ -- Div_F --
+ -----------
+
+ function Div_F (X, Y : F) return F is
+ begin
+ return X / Y;
+ end Div_F;
+
+ -----------
+ -- Div_G --
+ -----------
+
+ function Div_G (X, Y : G) return G is
+ begin
+ return X / Y;
+ end Div_G;
+
+ ----------
+ -- Eq_F --
+ ----------
+
+ function Eq_F (X, Y : F) return Boolean is
+ begin
+ return X = Y;
+ end Eq_F;
+
+ ----------
+ -- Eq_G --
+ ----------
+
+ function Eq_G (X, Y : G) return Boolean is
+ begin
+ return X = Y;
+ end Eq_G;
+
+ ------------
+ -- F_To_G --
+ ------------
+
+ function F_To_G (X : F) return G is
+ begin
+ return G (X);
+ end F_To_G;
+
+ ------------
+ -- F_To_Q --
+ ------------
+
+ function F_To_Q (X : F) return Q is
+ begin
+ return Q (X);
+ end F_To_Q;
+
+ ------------
+ -- F_To_S --
+ ------------
+
+ function F_To_S (X : F) return S is
+ begin
+ return S (X);
+ end F_To_S;
+
+ ------------
+ -- G_To_D --
+ ------------
+
+ function G_To_D (X : G) return D is
+ begin
+ return D (X);
+ end G_To_D;
+
+ ------------
+ -- G_To_F --
+ ------------
+
+ function G_To_F (X : G) return F is
+ begin
+ return F (X);
+ end G_To_F;
+
+ ------------
+ -- G_To_Q --
+ ------------
+
+ function G_To_Q (X : G) return Q is
+ begin
+ return Q (X);
+ end G_To_Q;
+
+ ------------
+ -- G_To_T --
+ ------------
+
+ function G_To_T (X : G) return T is
+ begin
+ return T (X);
+ end G_To_T;
+
+ ----------
+ -- Le_F --
+ ----------
+
+ function Le_F (X, Y : F) return Boolean is
+ begin
+ return X <= Y;
+ end Le_F;
+
+ ----------
+ -- Le_G --
+ ----------
+
+ function Le_G (X, Y : G) return Boolean is
+ begin
+ return X <= Y;
+ end Le_G;
+
+ ----------
+ -- Lt_F --
+ ----------
+
+ function Lt_F (X, Y : F) return Boolean is
+ begin
+ return X < Y;
+ end Lt_F;
+
+ ----------
+ -- Lt_G --
+ ----------
+
+ function Lt_G (X, Y : G) return Boolean is
+ begin
+ return X < Y;
+ end Lt_G;
+
+ -----------
+ -- Mul_F --
+ -----------
+
+ function Mul_F (X, Y : F) return F is
+ begin
+ return X * Y;
+ end Mul_F;
+
+ -----------
+ -- Mul_G --
+ -----------
+
+ function Mul_G (X, Y : G) return G is
+ begin
+ return X * Y;
+ end Mul_G;
+
+ ----------
+ -- Ne_F --
+ ----------
+
+ function Ne_F (X, Y : F) return Boolean is
+ begin
+ return X /= Y;
+ end Ne_F;
+
+ ----------
+ -- Ne_G --
+ ----------
+
+ function Ne_G (X, Y : G) return Boolean is
+ begin
+ return X /= Y;
+ end Ne_G;
+
+ -----------
+ -- Neg_F --
+ -----------
+
+ function Neg_F (X : F) return F is
+ begin
+ return -X;
+ end Neg_F;
+
+ -----------
+ -- Neg_G --
+ -----------
+
+ function Neg_G (X : G) return G is
+ begin
+ return -X;
+ end Neg_G;
+
+ --------
+ -- pd --
+ --------
+
+ procedure pd (Arg : D) is
+ begin
+ System.IO.Put_Line (D'Image (Arg));
+ end pd;
+
+ --------
+ -- pf --
+ --------
+
+ procedure pf (Arg : F) is
+ begin
+ System.IO.Put_Line (F'Image (Arg));
+ end pf;
+
+ --------
+ -- pg --
+ --------
+
+ procedure pg (Arg : G) is
+ begin
+ System.IO.Put_Line (G'Image (Arg));
+ end pg;
+
+ ------------
+ -- Q_To_F --
+ ------------
+
+ function Q_To_F (X : Q) return F is
+ begin
+ return F (X);
+ end Q_To_F;
+
+ ------------
+ -- Q_To_G --
+ ------------
+
+ function Q_To_G (X : Q) return G is
+ begin
+ return G (X);
+ end Q_To_G;
+
+ ------------
+ -- S_To_F --
+ ------------
+
+ function S_To_F (X : S) return F is
+ begin
+ return F (X);
+ end S_To_F;
+
+ --------------
+ -- Return_D --
+ --------------
+
+ function Return_D (X : D) return D is
+ begin
+ return X;
+ end Return_D;
+
+ --------------
+ -- Return_F --
+ --------------
+
+ function Return_F (X : F) return F is
+ begin
+ return X;
+ end Return_F;
+
+ --------------
+ -- Return_G --
+ --------------
+
+ function Return_G (X : G) return G is
+ begin
+ return X;
+ end Return_G;
+
+ -----------
+ -- Sub_F --
+ -----------
+
+ function Sub_F (X, Y : F) return F is
+ begin
+ return X - Y;
+ end Sub_F;
+
+ -----------
+ -- Sub_G --
+ -----------
+
+ function Sub_G (X, Y : G) return G is
+ begin
+ return X - Y;
+ end Sub_G;
+
+ ------------
+ -- T_To_D --
+ ------------
+
+ function T_To_D (X : T) return D is
+ begin
+ return G_To_D (T_To_G (X));
+ end T_To_D;
+
+ ------------
+ -- T_To_G --
+ ------------
+
+ function T_To_G (X : T) return G is
+ begin
+ return G (X);
+ end T_To_G;
+
+ -------------
+ -- Valid_D --
+ -------------
+
+ -- For now, convert to IEEE and do Valid test on result. This is not quite
+ -- accurate, but is good enough in practice.
+
+ function Valid_D (Arg : D) return Boolean is
+ Val : constant T := G_To_T (D_To_G (Arg));
+ begin
+ return Val'Valid;
+ end Valid_D;
+
+ -------------
+ -- Valid_F --
+ -------------
+
+ -- For now, convert to IEEE and do Valid test on result. This is not quite
+ -- accurate, but is good enough in practice.
+
+ function Valid_F (Arg : F) return Boolean is
+ Val : constant S := F_To_S (Arg);
+ begin
+ return Val'Valid;
+ end Valid_F;
+
+ -------------
+ -- Valid_G --
+ -------------
+
+ -- For now, convert to IEEE and do Valid test on result. This is not quite
+ -- accurate, but is good enough in practice.
+
+ function Valid_G (Arg : G) return Boolean is
+ Val : constant T := G_To_T (Arg);
+ begin
+ return Val'Valid;
+ end Valid_G;
+
+end System.Vax_Float_Operations;