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-- CXG1002.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 subprograms defined in the package
-- Ada.Numerics.Generic_Complex_Types provide the prescribed results.
-- Specifically, check the various versions of functions "+" and "-".
--
-- TEST DESCRIPTION:
-- This test checks that the subprograms "+" and "-" defined in the
-- Generic_Complex_Types package provide the results prescribed for the
-- evaluation of these complex arithmetic operations. The functions
-- Re and Im are used to extract the appropriate component of the
-- complex result, in order that the prescribed result component can be
-- verified.
-- The generic package is instantiated with a real type (new Float),
-- and the results produced by the specified subprograms are verified.
--
-- SPECIAL REQUIREMENTS:
-- This test can be run in either "relaxed" or "strict" mode.
--
--
-- CHANGE HISTORY:
-- 06 Dec 94 SAIC ACVC 2.0
--
--!
with Ada.Numerics.Generic_Complex_Types;
with Report;
procedure CXG1002 is
begin
Report.Test ("CXG1002", "Check that the subprograms defined in " &
"the package Ada.Numerics.Generic_Complex_Types " &
"provide the prescribed results");
Test_Block:
declare
type Real_Type is new Float;
package Complex_Pack is new
Ada.Numerics.Generic_Complex_Types(Real_Type);
use Complex_Pack;
-- Declare a zero valued complex number using the record
-- aggregate approach.
Complex_Zero : constant Complex_Pack.Complex := (0.0, 0.0);
TC_Complex,
TC_Complex_Right,
TC_Complex_Left : Complex_Pack.Complex := Complex_Zero;
TC_Real : Real_Type := 0.0;
TC_Imaginary : Complex_Pack.Imaginary;
begin
-- Check that the imaginary component of the result of a binary addition
-- operator that yields a result of complex type is exact when either
-- of its operands is of pure-real type.
TC_Complex := Compose_From_Cartesian(2.0, 3.0);
TC_Real := 3.0;
if Im("+"(Left => TC_Complex, Right => TC_Real)) /= 3.0 or
Im("+"(TC_Complex, 6.0)) /= 3.0 or
Im(TC_Complex + TC_Real) /= 3.0 or
Im(TC_Complex + 5.0) /= 3.0 or
Im((7.0, 2.0) + 1.0) /= 2.0 or
Im((7.0, 5.0) + (-2.0)) /= 5.0 or
Im((-7.0, -2.0) + 1.0) /= -2.0 or
Im((-7.0, -3.0) + (-3.0)) /= -3.0
then
Report.Failed("Incorrect results from Function ""+"" with " &
"one Complex and one Real argument - 1");
end if;
if Im("+"(Left => TC_Real, Right => TC_Complex)) /= 3.0 or
Im("+"(4.0, TC_Complex)) /= 3.0 or
Im(TC_Real + TC_Complex) /= 3.0 or
Im(9.0 + TC_Complex) /= 3.0 or
Im(1.0 + (7.0, -9.0)) /= -9.0 or
Im((-2.0) + (7.0, 2.0)) /= 2.0 or
Im(1.0 + (-7.0, -5.0)) /= -5.0 or
Im((-3.0) + (-7.0, 16.0)) /= 16.0
then
Report.Failed("Incorrect results from Function ""+"" with " &
"one Complex and one Real argument - 2");
end if;
-- Check that the imaginary component of the result of a binary
-- subtraction operator that yields a result of complex type is exact
-- when its right operand is of pure-real type.
TC_Complex := (8.0, -4.0);
TC_Real := 2.0;
if Im("-"(Left => TC_Complex, Right => TC_Real)) /= -4.0 or
Im("-"(TC_Complex, 5.0)) /= -4.0 or
Im(TC_Complex - TC_Real) /= -4.0 or
Im(TC_Complex - 4.0) /= -4.0 or
Im((6.0, 5.0) - 1.0) /= 5.0 or
Im((6.0, 13.0) - 7.0) /= 13.0 or
Im((-5.0, 3.0) - (2.0)) /= 3.0 or
Im((-5.0, -6.0) - (-3.0)) /= -6.0
then
Report.Failed("Incorrect results from Function ""-"" with " &
"one Complex and one Real argument");
end if;
-- Check that the real component of the result of a binary addition
-- operator that yields a result of complex type is exact when either
-- of its operands is of pure-imaginary type.
TC_Complex := (5.0, 0.0);
if Re("+"(Left => TC_Complex, Right => i)) /= 5.0 or
Re("+"(Complex_Pack.j, TC_Complex)) /= 5.0 or
Re((-8.0, 5.0) + ( 2.0*i)) /= -8.0 or
Re((2.0, 5.0) + (-2.0*i)) /= 2.0 or
Re((-20.0, -5.0) + ( 3.0*i)) /= -20.0 or
Re((6.0, -5.0) + (-3.0*i)) /= 6.0
then
Report.Failed("Incorrect results from Function ""+"" with " &
"one Complex and one Imaginary argument");
end if;
-- Check that the real component of the result of a binary
-- subtraction operator that yields a result of complex type is exact
-- when its right operand is of pure-imaginary type.
TC_Complex := TC_Complex + i; -- Should produce (5.0, 1.0)
if Re("-"(TC_Complex, i)) /= 5.0 or
Re((-4.0, 4.0) - ( 2.0*i)) /= -4.0 or
Re((9.0, 4.0) - ( 5.0*i)) /= 9.0 or
Re((16.0, -5.0) - ( 3.0*i)) /= 16.0 or
Re((-3.0, -5.0) - (-4.0*i)) /= -3.0
then
Report.Failed("Incorrect results from Function ""-"" with " &
"one Complex and one Imaginary argument");
end if;
-- Check that the result of a binary addition operation is exact when
-- one of its operands is of real type and the other is of
-- pure-imaginary type; the operator is analogous to the
-- Compose_From_Cartesian function; it performs no arithmetic.
TC_Complex := Complex_Pack."+"(5.0, Complex_Pack.i);
if TC_Complex /= (5.0, 1.0) or
(4.0 + i) /= (4.0, 1.0) or
"+"(Left => j, Right => 3.0) /= (3.0, 1.0)
then
Report.Failed("Incorrect results from Function ""+"" with " &
"one Real and one Imaginary argument");
end if;
exception
when others => Report.Failed ("Exception raised in Test_Block");
end Test_Block;
Report.Result;
end CXG1002;