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comparison gcc/testsuite/ada/acats/support/fc51a00.a @ 111:04ced10e8804

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
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68:561a7518be6b 111:04ced10e8804
1 -- FC51A00.A
2 --
3 -- Grant of Unlimited Rights
4 --
5 -- Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,
6 -- F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained
7 -- unlimited rights in the software and documentation contained herein.
8 -- Unlimited rights are defined in DFAR 252.227-7013(a)(19). By making
9 -- this public release, the Government intends to confer upon all
10 -- recipients unlimited rights equal to those held by the Government.
11 -- These rights include rights to use, duplicate, release or disclose the
12 -- released technical data and computer software in whole or in part, in
13 -- any manner and for any purpose whatsoever, and to have or permit others
14 -- to do so.
15 --
16 -- DISCLAIMER
17 --
18 -- ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
19 -- DISCLOSED ARE AS IS. THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED
20 -- WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE
21 -- SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE
22 -- OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
23 -- PARTICULAR PURPOSE OF SAID MATERIAL.
24 --*
25 --
26 -- FOUNDATION DESCRIPTION:
27 -- This foundation defines a fraction type abstraction. Fractions are
28 -- implemented as records with two scalar components: a numerator
29 -- of type integer and a denominator of type positive. Fractions are
30 -- created via an overloaded "/" operator.
31 --
32 -- CHANGE HISTORY:
33 -- 06 Dec 94 SAIC ACVC 2.0
34 --
35 --!
36
37 package FC51A00 is -- Fraction type abstraction.
38
39 type Fraction_Type is private;
40
41 -- Create a fraction object by integer division.
42 function "/" (Left, Right : Integer) return Fraction_Type;
43
44 -- Change the sign of a fraction.
45 function "-" (Frac : Fraction_Type) return Fraction_Type;
46
47 -- Return value of numerator as integer.
48 function Numerator (Frac : Fraction_Type) return Integer;
49
50 -- Return value of denominator as integer.
51 function Denominator (Frac : Fraction_Type) return Integer;
52
53 -- ... Other operations on fraction types.
54
55 private
56
57 type Fraction_Type is record
58 Numerator : Integer;
59 Denominator : Positive;
60 end record;
61
62 end FC51A00;
63
64
65 --==================================================================--
66
67
68 package body FC51A00 is
69
70 function "/" (Left, Right : Integer) return Fraction_Type is
71 Result : Fraction_Type;
72 begin
73 Result.Numerator := Left;
74 Result.Denominator := Right;
75 return Result;
76 end "/";
77
78
79 function "-" (Frac : Fraction_Type) return Fraction_Type is
80 Result : Fraction_Type := Frac;
81 begin
82 Result.Numerator := -(Result.Numerator);
83 return Result;
84 end "-";
85
86
87 function Numerator (Frac : Fraction_Type) return Integer is
88 begin
89 return (Frac.Numerator);
90 end Numerator;
91
92
93 function Denominator (Frac : Fraction_Type) return Integer is
94 begin
95 return (Frac.Denominator);
96 end Denominator;
97
98
99 end FC51A00;