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--- CXF2005.A
---
--- Grant of Unlimited Rights
---
--- Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,
--- F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained
--- unlimited rights in the software and documentation contained herein.
--- Unlimited rights are defined in DFAR 252.227-7013(a)(19). By making
--- this public release, the Government intends to confer upon all
--- recipients unlimited rights equal to those held by the Government.
--- These rights include rights to use, duplicate, release or disclose the
--- released technical data and computer software in whole or in part, in
--- any manner and for any purpose whatsoever, and to have or permit others
--- to do so.
---
--- DISCLAIMER
---
--- ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
--- DISCLOSED ARE AS IS. THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED
--- WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE
--- SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE
--- OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
--- PARTICULAR PURPOSE OF SAID MATERIAL.
---*
---
--- OBJECTIVE:
--- Check that the multiplying operators for a decimal fixed point type
--- return values that are integral multiples of the small of the type.
--- Check the case where one operand is of the predefined type Integer.
---
--- TEST DESCRIPTION:
--- Two decimal fixed point types A and B are declared, one with a
--- Machine_Radix value of 2, and one with a value of 10. A variable of
--- each type is multiplied repeatedly by a series of different Integer
--- values. A cumulative result is kept and compared to an expected
--- final result. Similar checks are performed for division.
---
--- APPLICABILITY CRITERIA:
--- This test is only applicable for a compiler attempting validation
--- for the Information Systems Annex.
---
---
--- CHANGE HISTORY:
--- 28 Mar 96 SAIC Prerelease version for ACVC 2.1.
---
---!
-
-generic
- type Decimal_Fixed is delta <> digits <>;
-package CXF2005_0 is
-
- function Multiply (Operand : Decimal_Fixed;
- Interval : Integer) return Decimal_Fixed;
-
- function Divide (Operand : Decimal_Fixed;
- Interval : Integer) return Decimal_Fixed;
-
-end CXF2005_0;
-
-
- --==================================================================--
-
-
-package body CXF2005_0 is
-
- function Multiply (Operand : Decimal_Fixed;
- Interval : Integer) return Decimal_Fixed is
- begin
- return Operand * Interval; -- Fixed-Integer multiplication.
- end Multiply;
-
-
- function Divide (Operand : Decimal_Fixed;
- Interval : Integer) return Decimal_Fixed is
- begin
- return Operand / Interval; -- Fixed-Integer division.
- end Divide;
-
-end CXF2005_0;
-
-
- --==================================================================--
-
-
-package CXF2005_1 is
-
- ---=---=---=---=---=---=---=---=---=---=---
-
- type Interest_Rate is delta 0.001 range 0.0 .. 1_000.0;
- for Interest_Rate'Small use 0.001; -- Power of 10.
-
- ---=---=---=---=---=---=---=---=---=---=---
-
- type Money_Radix2 is delta 0.01 digits 11; -- range -999,999,999.99 ..
- for Money_Radix2'Machine_Radix use 2; -- +999,999,999.99
-
- function Factor (Rate : Interest_Rate;
- Interval : Integer) return Money_Radix2;
-
- ---=---=---=---=---=---=---=---=---=---=---
-
- type Money_Radix10 is delta 0.01 digits 11; -- range -999,999,999.99 ..
- for Money_Radix10'Machine_Radix use 10; -- +999,999,999.99
-
- function Factor (Rate : Interest_Rate;
- Interval : Integer) return Money_Radix10;
-
- ---=---=---=---=---=---=---=---=---=---=---
-
-end CXF2005_1;
-
-
- --==================================================================--
-
-
-package body CXF2005_1 is
-
- ---=---=---=---=---=---=---=---=---=---=---
-
- function Factor (Rate : Interest_Rate;
- Interval : Integer) return Money_Radix2 is
- begin
- return Money_Radix2( Rate / Interval );
- end Factor;
-
- ---=---=---=---=---=---=---=---=---=---=---
-
- function Factor (Rate : Interest_Rate;
- Interval : Integer) return Money_Radix10 is
- begin
- return Money_Radix10( Rate / Interval );
- end Factor;
-
- ---=---=---=---=---=---=---=---=---=---=---
-
-end CXF2005_1;
-
-
- --==================================================================--
-
-
-with CXF2005_0;
-with CXF2005_1;
-
-with Report;
-procedure CXF2005 is
-
- Loop_Count : constant := 25_000;
- type Loop_Range is range 1 .. Loop_Count;
-
-begin
-
- Report.Test ("CXF2005", "Check decimal multiplication and division, " &
- "where one operand type is Integer");
-
-
- ---=---=---=---=---=---=---=---=---=---=---
-
-
- RADIX_2_SUBTESTS:
- declare
- package Radix_2 is new CXF2005_0 (CXF2005_1.Money_Radix2);
- use type CXF2005_1.Money_Radix2;
- begin
-
- RADIX_2_MULTIPLICATION:
- declare
- Rate : constant CXF2005_1.Interest_Rate := 0.127;
- Period : constant Integer := 12;
-
- Expected : constant CXF2005_1.Money_Radix2 := 2_624.88;
- Balance : CXF2005_1.Money_Radix2 := 1_000.00;
-
- Operand : CXF2005_1.Money_Radix2;
- Increment : CXF2005_1.Money_Radix2;
- Interval : Integer;
- begin
-
- for I in Loop_Range loop
- Interval := (Integer(I) mod Period) + 1; -- Range from 1 to 12.
- Operand := CXF2005_1.Factor (Rate, Period);
- Increment := Radix_2.Multiply (Operand, Interval);
- Balance := Balance + Increment;
- end loop;
-
- if Balance /= Expected then
- Report.Failed ("Error: Radix 2 multiply");
- end if;
-
- end RADIX_2_MULTIPLICATION;
-
-
-
- RADIX_2_DIVISION:
- declare
- Rate : constant CXF2005_1.Interest_Rate := 0.377;
- Period : constant Integer := 12;
-
- Expected : constant CXF2005_1.Money_Radix2 := 36_215.58;
- Balance : CXF2005_1.Money_Radix2 := 456_985.01;
-
- Operand : CXF2005_1.Money_Radix2;
- Increment : CXF2005_1.Money_Radix2;
- Interval : Integer;
- begin
-
- for I in Loop_Range loop
- Interval := (Integer(I+1000) mod (200*Period)) + 1; -- 1 .. 2400.
- Operand := CXF2005_1.Factor (Rate, Period);
- Increment := Radix_2.Divide (Balance, Interval);
- Balance := Balance - (Operand * Increment);
- end loop;
-
- if Balance /= Expected then
- Report.Failed ("Error: Radix 2 divide");
- end if;
-
- end RADIX_2_DIVISION;
-
- end RADIX_2_SUBTESTS;
-
-
- ---=---=---=---=---=---=---=---=---=---=---
-
-
- RADIX_10_SUBTESTS:
- declare
- package Radix_10 is new CXF2005_0 (CXF2005_1.Money_Radix10);
- use type CXF2005_1.Money_Radix10;
- begin
-
- RADIX_10_MULTIPLICATION:
- declare
- Rate : constant CXF2005_1.Interest_Rate := 0.721;
- Period : constant Integer := 12;
-
- Expected : constant CXF2005_1.Money_Radix10 := 9_875.62;
- Balance : CXF2005_1.Money_Radix10 := 126.34;
-
- Operand : CXF2005_1.Money_Radix10;
- Increment : CXF2005_1.Money_Radix10;
- Interval : Integer;
- begin
-
- for I in Loop_Range loop
- Interval := (Integer(I) mod Period) + 1; -- Range from 1 to 12.
- Operand := CXF2005_1.Factor (Rate, Period);
- Increment := Radix_10.Multiply (Operand, Interval);
- Balance := Balance + Increment;
- end loop;
-
- if Balance /= Expected then
- Report.Failed ("Error: Radix 10 multiply");
- end if;
-
- end RADIX_10_MULTIPLICATION;
-
-
- RADIX_10_DIVISION:
- declare
- Rate : constant CXF2005_1.Interest_Rate := 0.547;
- Period : constant Integer := 12;
-
- Expected : constant CXF2005_1.Money_Radix10 := 26_116.37;
- Balance : CXF2005_1.Money_Radix10 := 770_082.46;
-
- Operand : CXF2005_1.Money_Radix10;
- Increment : CXF2005_1.Money_Radix10;
- Interval : Integer;
- begin
-
- for I in Loop_Range loop
- Interval := (Integer(I+1000) mod (200*Period)) + 1; -- 1 .. 2400.
- Operand := CXF2005_1.Factor (Rate, Period);
- Increment := Radix_10.Divide (Balance, Interval);
- Balance := Balance - (Operand * Increment);
- end loop;
-
- if Balance /= Expected then
- Report.Failed ("Error: Radix 10 divide");
- end if;
-
- end RADIX_10_DIVISION;
-
- end RADIX_10_SUBTESTS;
-
-
- ---=---=---=---=---=---=---=---=---=---=---
-
-
- Report.Result;
-
-end CXF2005;
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-17 20:50:47 +0000