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authorupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
committerupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
commit554fd8c5195424bdbcabf5de30fdc183aba391bd (patch)
tree976dc5ab7fddf506dadce60ae936f43f58787092 /gcc/testsuite/ada/acats/tests/cxf/cxf2005.a
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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;