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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) 1997-2009, 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;

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[/] [openrisc/] [trunk/] [gnu-stable/] [gcc-4.5.1/] [gcc/] [ada/] [s-vaflop.adb] - Blame information for rev 826

Line No.	Rev	Author	Line
1	281	jeremybenn	`------------------------------------------------------------------------------`
2			`-- --`
3			`-- GNAT RUN-TIME COMPONENTS --`
4			`-- --`
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 --`
6			`-- --`
7			`-- B o d y --`
8			`-- --`
9			`-- Copyright (C) 1997-2009, Free Software Foundation, Inc. --`
10			`-- --`
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 3, 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. --`
17			`-- --`
18			`-- As a special exception under Section 7 of GPL version 3, you are granted --`
19			`-- additional permissions described in the GCC Runtime Library Exception, --`
20			`-- version 3.1, as published by the Free Software Foundation. --`
21			`-- --`
22			`-- You should have received a copy of the GNU General Public License and --`
23			`-- a copy of the GCC Runtime Library Exception along with this program; --`
24			`-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --`
25			`-- <http://www.gnu.org/licenses/>. --`
26			`-- --`
27			`-- GNAT was originally developed by the GNAT team at New York University. --`
28			`-- Extensive contributions were provided by Ada Core Technologies Inc. --`
29			`-- --`
30			`------------------------------------------------------------------------------`
31
32			`-- This is a dummy body for use on non-Alpha systems so that the library`
33			`-- can compile. This dummy version uses ordinary conversions and other`
34			`-- arithmetic operations. It is used only for testing purposes in the`
35			`-- case where the -gnatdm switch is used to force testing of VMS features`
36			`-- on non-VMS systems.`
37
38			`with System.IO;`
39
40			`package body System.Vax_Float_Operations is`
41			`pragma Warnings (Off);`
42			`-- Warnings about infinite recursion when the -gnatdm switch is used`
43
44			`-----------`
45			`-- Abs_F --`
46			`-----------`
47
48			`function Abs_F (X : F) return F is`
49			`begin`
50			`return abs X;`
51			`end Abs_F;`
52
53			`-----------`
54			`-- Abs_G --`
55			`-----------`
56
57			`function Abs_G (X : G) return G is`
58			`begin`
59			`return abs X;`
60			`end Abs_G;`
61
62			`-----------`
63			`-- Add_F --`
64			`-----------`
65
66			`function Add_F (X, Y : F) return F is`
67			`begin`
68			`return X + Y;`
69			`end Add_F;`
70
71			`-----------`
72			`-- Add_G --`
73			`-----------`
74
75			`function Add_G (X, Y : G) return G is`
76			`begin`
77			`return X + Y;`
78			`end Add_G;`
79
80			`------------`
81			`-- D_To_G --`
82			`------------`
83
84			`function D_To_G (X : D) return G is`
85			`begin`
86			`return G (X);`
87			`end D_To_G;`
88
89			`--------------------`
90			`-- Debug_Output_D --`
91			`--------------------`
92
93			`procedure Debug_Output_D (Arg : D) is`
94			`begin`
95			`System.IO.Put (D'Image (Arg));`
96			`end Debug_Output_D;`
97
98			`--------------------`
99			`-- Debug_Output_F --`
100			`--------------------`
101
102			`procedure Debug_Output_F (Arg : F) is`
103			`begin`
104			`System.IO.Put (F'Image (Arg));`
105			`end Debug_Output_F;`
106
107			`--------------------`
108			`-- Debug_Output_G --`
109			`--------------------`
110
111			`procedure Debug_Output_G (Arg : G) is`
112			`begin`
113			`System.IO.Put (G'Image (Arg));`
114			`end Debug_Output_G;`
115
116			`--------------------`
117			`-- Debug_String_D --`
118			`--------------------`
119
120			`Debug_String_Buffer : String (1 .. 32);`
121			`-- Buffer used by all Debug_String_x routines for returning result`
122
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;`
126
127			`begin`
128			`Debug_String_Buffer (1 .. Image_Size) := Image_String;`
129			`return Debug_String_Buffer (1)'Address;`
130			`end Debug_String_D;`
131
132			`--------------------`
133			`-- Debug_String_F --`
134			`--------------------`
135
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;`
139
140			`begin`
141			`Debug_String_Buffer (1 .. Image_Size) := Image_String;`
142			`return Debug_String_Buffer (1)'Address;`
143			`end Debug_String_F;`
144
145			`--------------------`
146			`-- Debug_String_G --`
147			`--------------------`
148
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;`
152
153			`begin`
154			`Debug_String_Buffer (1 .. Image_Size) := Image_String;`
155			`return Debug_String_Buffer (1)'Address;`
156			`end Debug_String_G;`
157
158			`-----------`
159			`-- Div_F --`
160			`-----------`
161
162			`function Div_F (X, Y : F) return F is`
163			`begin`
164			`return X / Y;`
165			`end Div_F;`
166
167			`-----------`
168			`-- Div_G --`
169			`-----------`
170
171			`function Div_G (X, Y : G) return G is`
172			`begin`
173			`return X / Y;`
174			`end Div_G;`
175
176			`----------`
177			`-- Eq_F --`
178			`----------`
179
180			`function Eq_F (X, Y : F) return Boolean is`
181			`begin`
182			`return X = Y;`
183			`end Eq_F;`
184
185			`----------`
186			`-- Eq_G --`
187			`----------`
188
189			`function Eq_G (X, Y : G) return Boolean is`
190			`begin`
191			`return X = Y;`
192			`end Eq_G;`
193
194			`------------`
195			`-- F_To_G --`
196			`------------`
197
198			`function F_To_G (X : F) return G is`
199			`begin`
200			`return G (X);`
201			`end F_To_G;`
202
203			`------------`
204			`-- F_To_Q --`
205			`------------`
206
207			`function F_To_Q (X : F) return Q is`
208			`begin`
209			`return Q (X);`
210			`end F_To_Q;`
211
212			`------------`
213			`-- F_To_S --`
214			`------------`
215
216			`function F_To_S (X : F) return S is`
217			`begin`
218			`return S (X);`
219			`end F_To_S;`
220
221			`------------`
222			`-- G_To_D --`
223			`------------`
224
225			`function G_To_D (X : G) return D is`
226			`begin`
227			`return D (X);`
228			`end G_To_D;`
229
230			`------------`
231			`-- G_To_F --`
232			`------------`
233
234			`function G_To_F (X : G) return F is`
235			`begin`
236			`return F (X);`
237			`end G_To_F;`
238
239			`------------`
240			`-- G_To_Q --`
241			`------------`
242
243			`function G_To_Q (X : G) return Q is`
244			`begin`
245			`return Q (X);`
246			`end G_To_Q;`
247
248			`------------`
249			`-- G_To_T --`
250			`------------`
251
252			`function G_To_T (X : G) return T is`
253			`begin`
254			`return T (X);`
255			`end G_To_T;`
256
257			`----------`
258			`-- Le_F --`
259			`----------`
260
261			`function Le_F (X, Y : F) return Boolean is`
262			`begin`
263			`return X <= Y;`
264			`end Le_F;`
265
266			`----------`
267			`-- Le_G --`
268			`----------`
269
270			`function Le_G (X, Y : G) return Boolean is`
271			`begin`
272			`return X <= Y;`
273			`end Le_G;`
274
275			`----------`
276			`-- Lt_F --`
277			`----------`
278
279			`function Lt_F (X, Y : F) return Boolean is`
280			`begin`
281			`return X < Y;`
282			`end Lt_F;`
283
284			`----------`
285			`-- Lt_G --`
286			`----------`
287
288			`function Lt_G (X, Y : G) return Boolean is`
289			`begin`
290			`return X < Y;`
291			`end Lt_G;`
292
293			`-----------`
294			`-- Mul_F --`
295			`-----------`
296
297			`function Mul_F (X, Y : F) return F is`
298			`begin`
299			`return X * Y;`
300			`end Mul_F;`
301
302			`-----------`
303			`-- Mul_G --`
304			`-----------`
305
306			`function Mul_G (X, Y : G) return G is`
307			`begin`
308			`return X * Y;`
309			`end Mul_G;`
310
311			`----------`
312			`-- Ne_F --`
313			`----------`
314
315			`function Ne_F (X, Y : F) return Boolean is`
316			`begin`
317			`return X /= Y;`
318			`end Ne_F;`
319
320			`----------`
321			`-- Ne_G --`
322			`----------`
323
324			`function Ne_G (X, Y : G) return Boolean is`
325			`begin`
326			`return X /= Y;`
327			`end Ne_G;`
328
329			`-----------`
330			`-- Neg_F --`
331			`-----------`
332
333			`function Neg_F (X : F) return F is`
334			`begin`
335			`return -X;`
336			`end Neg_F;`
337
338			`-----------`
339			`-- Neg_G --`
340			`-----------`
341
342			`function Neg_G (X : G) return G is`
343			`begin`
344			`return -X;`
345			`end Neg_G;`
346
347			`--------`
348			`-- pd --`
349			`--------`
350
351			`procedure pd (Arg : D) is`
352			`begin`
353			`System.IO.Put_Line (D'Image (Arg));`
354			`end pd;`
355
356			`--------`
357			`-- pf --`
358			`--------`
359
360			`procedure pf (Arg : F) is`
361			`begin`
362			`System.IO.Put_Line (F'Image (Arg));`
363			`end pf;`
364
365			`--------`
366			`-- pg --`
367			`--------`
368
369			`procedure pg (Arg : G) is`
370			`begin`
371			`System.IO.Put_Line (G'Image (Arg));`
372			`end pg;`
373
374			`------------`
375			`-- Q_To_F --`
376			`------------`
377
378			`function Q_To_F (X : Q) return F is`
379			`begin`
380			`return F (X);`
381			`end Q_To_F;`
382
383			`------------`
384			`-- Q_To_G --`
385			`------------`
386
387			`function Q_To_G (X : Q) return G is`
388			`begin`
389			`return G (X);`
390			`end Q_To_G;`
391
392			`------------`
393			`-- S_To_F --`
394			`------------`
395
396			`function S_To_F (X : S) return F is`
397			`begin`
398			`return F (X);`
399			`end S_To_F;`
400
401			`--------------`
402			`-- Return_D --`
403			`--------------`
404
405			`function Return_D (X : D) return D is`
406			`begin`
407			`return X;`
408			`end Return_D;`
409
410			`--------------`
411			`-- Return_F --`
412			`--------------`
413
414			`function Return_F (X : F) return F is`
415			`begin`
416			`return X;`
417			`end Return_F;`
418
419			`--------------`
420			`-- Return_G --`
421			`--------------`
422
423			`function Return_G (X : G) return G is`
424			`begin`
425			`return X;`
426			`end Return_G;`
427
428			`-----------`
429			`-- Sub_F --`
430			`-----------`
431
432			`function Sub_F (X, Y : F) return F is`
433			`begin`
434			`return X - Y;`
435			`end Sub_F;`
436
437			`-----------`
438			`-- Sub_G --`
439			`-----------`
440
441			`function Sub_G (X, Y : G) return G is`
442			`begin`
443			`return X - Y;`
444			`end Sub_G;`
445
446			`------------`
447			`-- T_To_D --`
448			`------------`
449
450			`function T_To_D (X : T) return D is`
451			`begin`
452			`return G_To_D (T_To_G (X));`
453			`end T_To_D;`
454
455			`------------`
456			`-- T_To_G --`
457			`------------`
458
459			`function T_To_G (X : T) return G is`
460			`begin`
461			`return G (X);`
462			`end T_To_G;`
463
464			`-------------`
465			`-- Valid_D --`
466			`-------------`
467
468			`-- For now, convert to IEEE and do Valid test on result. This is not quite`
469			`-- accurate, but is good enough in practice.`
470
471			`function Valid_D (Arg : D) return Boolean is`
472			`Val : constant T := G_To_T (D_To_G (Arg));`
473			`begin`
474			`return Val'Valid;`
475			`end Valid_D;`
476
477			`-------------`
478			`-- Valid_F --`
479			`-------------`
480
481			`-- For now, convert to IEEE and do Valid test on result. This is not quite`
482			`-- accurate, but is good enough in practice.`
483
484			`function Valid_F (Arg : F) return Boolean is`
485			`Val : constant S := F_To_S (Arg);`
486			`begin`
487			`return Val'Valid;`
488			`end Valid_F;`
489
490			`-------------`
491			`-- Valid_G --`
492			`-------------`
493
494			`-- For now, convert to IEEE and do Valid test on result. This is not quite`
495			`-- accurate, but is good enough in practice.`
496
497			`function Valid_G (Arg : G) return Boolean is`
498			`Val : constant T := G_To_T (Arg);`
499			`begin`
500			`return Val'Valid;`
501			`end Valid_G;`
502
503			`end System.Vax_Float_Operations;`