1 ------------------------------------------------------------------------------
3 -- GNAT RUN-TIME COMPONENTS --
5 -- S Y S T E M . V A X _ F L O A T _ O P E R A T I O N S --
9 -- Copyright (C) 1997-2001 Free Software Foundation, Inc. --
11 -- GNAT is free software; you can redistribute it and/or modify it under --
12 -- terms of the GNU General Public License as published by the Free Soft- --
13 -- ware Foundation; either version 2, or (at your option) any later ver- --
14 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
15 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
16 -- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
17 -- for more details. You should have received a copy of the GNU General --
18 -- Public License distributed with GNAT; see file COPYING. If not, write --
19 -- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
20 -- MA 02111-1307, USA. --
22 -- As a special exception, if other files instantiate generics from this --
23 -- unit, or you link this unit with other files to produce an executable, --
24 -- this unit does not by itself cause the resulting executable to be --
25 -- covered by the GNU General Public License. This exception does not --
26 -- however invalidate any other reasons why the executable file might be --
27 -- covered by the GNU Public License. --
29 -- GNAT was originally developed by the GNAT team at New York University. --
30 -- Extensive contributions were provided by Ada Core Technologies Inc. --
32 ------------------------------------------------------------------------------
34 -- This is a dummy body for use on non-Alpha systems so that the library
35 -- can compile. This dummy version uses ordinary conversions and other
36 -- arithmetic operations. it is used only for testing purposes in the
37 -- case where the -gnatdm switch is used to force testing of VMS features
38 -- on non-VMS systems.
40 with System.IO; use System.IO;
42 package body System.Vax_Float_Operations is
48 function Abs_F (X : F) return F is
57 function Abs_G (X : G) return G is
66 function Add_F (X, Y : F) return F is
75 function Add_G (X, Y : G) return G is
84 function D_To_G (X : D) return G is
93 procedure Debug_Output_D (Arg : D) is
102 procedure Debug_Output_F (Arg : F) is
111 procedure Debug_Output_G (Arg : G) is
120 Debug_String_Buffer : String (1 .. 32);
121 -- Buffer used by all Debug_String_x routines for returning result
123 function Debug_String_D (Arg : D) return System.Address is
124 Image_String : constant String := D'Image (Arg) & ASCII.NUL;
125 Image_Size : constant Integer := Image_String'Length;
128 Debug_String_Buffer (1 .. Image_Size) := Image_String;
129 return Debug_String_Buffer (1)'Address;
136 function Debug_String_F (Arg : F) return System.Address is
137 Image_String : constant String := F'Image (Arg) & ASCII.NUL;
138 Image_Size : constant Integer := Image_String'Length;
141 Debug_String_Buffer (1 .. Image_Size) := Image_String;
142 return Debug_String_Buffer (1)'Address;
149 function Debug_String_G (Arg : G) return System.Address is
150 Image_String : constant String := G'Image (Arg) & ASCII.NUL;
151 Image_Size : constant Integer := Image_String'Length;
154 Debug_String_Buffer (1 .. Image_Size) := Image_String;
155 return Debug_String_Buffer (1)'Address;
162 function Div_F (X, Y : F) return F is
171 function Div_G (X, Y : G) return G is
180 function Eq_F (X, Y : F) return Boolean is
189 function Eq_G (X, Y : G) return Boolean is
198 function F_To_G (X : F) return G is
207 function F_To_Q (X : F) return Q is
216 function F_To_S (X : F) return S is
225 function G_To_D (X : G) return D is
234 function G_To_F (X : G) return F is
243 function G_To_Q (X : G) return Q is
252 function G_To_T (X : G) return T is
261 function Le_F (X, Y : F) return Boolean is
270 function Le_G (X, Y : G) return Boolean is
279 function Lt_F (X, Y : F) return Boolean is
288 function Lt_G (X, Y : G) return Boolean is
297 function Mul_F (X, Y : F) return F is
306 function Mul_G (X, Y : G) return G is
315 function Neg_F (X : F) return F is
324 function Neg_G (X : G) return G is
333 procedure pd (Arg : D) is
335 Put_Line (D'Image (Arg));
342 procedure pf (Arg : F) is
344 Put_Line (F'Image (Arg));
351 procedure pg (Arg : G) is
353 Put_Line (G'Image (Arg));
360 function Q_To_F (X : Q) return F is
369 function Q_To_G (X : Q) return G is
378 function S_To_F (X : S) return F is
387 function Sub_F (X, Y : F) return F is
396 function Sub_G (X, Y : G) return G is
405 function T_To_D (X : T) return D is
407 return G_To_D (T_To_G (X));
414 function T_To_G (X : T) return G is
419 end System.Vax_Float_Operations;