-- C3A0003.A
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-- C3A0003.A
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--
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--
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-- Grant of Unlimited Rights
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-- Grant of Unlimited Rights
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--
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--
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-- Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,
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-- Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,
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-- F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained
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-- F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained
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-- unlimited rights in the software and documentation contained herein.
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-- unlimited rights in the software and documentation contained herein.
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-- Unlimited rights are defined in DFAR 252.227-7013(a)(19). By making
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-- Unlimited rights are defined in DFAR 252.227-7013(a)(19). By making
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-- this public release, the Government intends to confer upon all
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-- this public release, the Government intends to confer upon all
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-- recipients unlimited rights equal to those held by the Government.
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-- recipients unlimited rights equal to those held by the Government.
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-- These rights include rights to use, duplicate, release or disclose the
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-- These rights include rights to use, duplicate, release or disclose the
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-- released technical data and computer software in whole or in part, in
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-- released technical data and computer software in whole or in part, in
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-- any manner and for any purpose whatsoever, and to have or permit others
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-- any manner and for any purpose whatsoever, and to have or permit others
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-- to do so.
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-- to do so.
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--
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--
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-- DISCLAIMER
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-- DISCLAIMER
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--
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--
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-- ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
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-- ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
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-- DISCLOSED ARE AS IS. THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED
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-- DISCLOSED ARE AS IS. THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED
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-- WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE
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-- WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE
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-- SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE
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-- SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE
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-- OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
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-- OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
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-- PARTICULAR PURPOSE OF SAID MATERIAL.
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-- PARTICULAR PURPOSE OF SAID MATERIAL.
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--*
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--*
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--
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--
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-- OBJECTIVE:
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-- OBJECTIVE:
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-- Check that a function in a generic instance can be called using
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-- Check that a function in a generic instance can be called using
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-- an access-to-subprogram value.
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-- an access-to-subprogram value.
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--
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--
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-- TEST DESCRIPTION:
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-- TEST DESCRIPTION:
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-- Declare a numeric type in the visible part of a generic package.
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-- Declare a numeric type in the visible part of a generic package.
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-- Declare an access to function type. Declare three different sine
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-- Declare an access to function type. Declare three different sine
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-- functions that can be referred to by the access to function type.
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-- functions that can be referred to by the access to function type.
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--
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--
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-- In the main program, instantiate the generic. Call each function
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-- In the main program, instantiate the generic. Call each function
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-- indirectly by dereferencing the access value.
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-- indirectly by dereferencing the access value.
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--
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--
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--
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--
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-- CHANGE HISTORY:
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-- CHANGE HISTORY:
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-- 06 Dec 94 SAIC ACVC 2.0
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-- 06 Dec 94 SAIC ACVC 2.0
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--
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--
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--!
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--!
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generic
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generic
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type Real_Num is digits <>;
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type Real_Num is digits <>;
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package C3A0003_0 is
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package C3A0003_0 is
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TC_Call_Tag : Natural := 0;
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TC_Call_Tag : Natural := 0;
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-- Type accesses to any sine function
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-- Type accesses to any sine function
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type Sine_Function_Ptr is access function
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type Sine_Function_Ptr is access function
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(Angle : in Real_Num) return Real_Num;
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(Angle : in Real_Num) return Real_Num;
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function Sine_Calc_Fast (Angle : in Real_Num) return Real_Num;
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function Sine_Calc_Fast (Angle : in Real_Num) return Real_Num;
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function Sine_Calc_Acc (Angle : in Real_Num) return Real_Num;
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function Sine_Calc_Acc (Angle : in Real_Num) return Real_Num;
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function Sine_Calc_Table (Angle : in Real_Num) return Real_Num;
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function Sine_Calc_Table (Angle : in Real_Num) return Real_Num;
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end C3A0003_0;
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end C3A0003_0;
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-----------------------------------------------------------------------------
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-----------------------------------------------------------------------------
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package body C3A0003_0 is
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package body C3A0003_0 is
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function Sine_Calc_Fast (Angle : in Real_Num) return Real_Num is
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function Sine_Calc_Fast (Angle : in Real_Num) return Real_Num is
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Sine_Num : Real_Num := 1.0;
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Sine_Num : Real_Num := 1.0;
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begin
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begin
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TC_Call_Tag := 1;
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TC_Call_Tag := 1;
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return Sine_Num;
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return Sine_Num;
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end Sine_Calc_Fast;
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end Sine_Calc_Fast;
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function Sine_Calc_Acc (Angle : in Real_Num) return Real_Num is
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function Sine_Calc_Acc (Angle : in Real_Num) return Real_Num is
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Sine_Num : Real_Num := 0.0;
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Sine_Num : Real_Num := 0.0;
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begin
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begin
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TC_Call_Tag := 2;
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TC_Call_Tag := 2;
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return Sine_Num;
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return Sine_Num;
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end Sine_Calc_Acc;
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end Sine_Calc_Acc;
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function Sine_Calc_Table (Angle : in Real_Num) return Real_Num is
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function Sine_Calc_Table (Angle : in Real_Num) return Real_Num is
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Sine_Num : Real_Num := -1.0;
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Sine_Num : Real_Num := -1.0;
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begin
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begin
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TC_Call_Tag := 3;
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TC_Call_Tag := 3;
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return Sine_Num;
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return Sine_Num;
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end Sine_Calc_Table;
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end Sine_Calc_Table;
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end C3A0003_0;
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end C3A0003_0;
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-----------------------------------------------------------------------------
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-----------------------------------------------------------------------------
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with Report;
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with Report;
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with C3A0003_0;
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with C3A0003_0;
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procedure C3A0003 is
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procedure C3A0003 is
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type Real is digits 5;
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type Real is digits 5;
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Subtype Trig_Float is Real range -1.0 .. 1.0;
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Subtype Trig_Float is Real range -1.0 .. 1.0;
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package Trig is new C3A0003_0 (Real_Num => Trig_Float);
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package Trig is new C3A0003_0 (Real_Num => Trig_Float);
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Sine_Access : Trig.Sine_Function_Ptr;
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Sine_Access : Trig.Sine_Function_Ptr;
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X, Theta : Trig_Float := 0.0;
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X, Theta : Trig_Float := 0.0;
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begin
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begin
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Report.Test ("C3A0003", "Check that a function in a generic instance can "
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Report.Test ("C3A0003", "Check that a function in a generic instance can "
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& "be called using an access-to-subprogram value");
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& "be called using an access-to-subprogram value");
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Sine_Access := Trig.Sine_Calc_Fast'Access;
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Sine_Access := Trig.Sine_Calc_Fast'Access;
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-- Invoking Sine function designated by access value
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-- Invoking Sine function designated by access value
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X := Sine_Access.all(Theta);
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X := Sine_Access.all(Theta);
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If Trig.TC_Call_Tag /= 1 then
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If Trig.TC_Call_Tag /= 1 then
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Report.Failed ("Incorrect Sine_Calc_Fast result");
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Report.Failed ("Incorrect Sine_Calc_Fast result");
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end if;
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end if;
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Sine_Access := Trig.Sine_Calc_Acc'Access;
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Sine_Access := Trig.Sine_Calc_Acc'Access;
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-- Invoking Sine function designated by access value
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-- Invoking Sine function designated by access value
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X := Sine_Access.all(Theta);
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X := Sine_Access.all(Theta);
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If Trig.TC_Call_Tag /= 2 then
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If Trig.TC_Call_Tag /= 2 then
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Report.Failed ("Incorrect Sine_Calc_Acc result");
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Report.Failed ("Incorrect Sine_Calc_Acc result");
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end if;
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end if;
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Sine_Access := Trig.Sine_Calc_Table'Access;
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Sine_Access := Trig.Sine_Calc_Table'Access;
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-- Invoking Sine function designated by access value
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-- Invoking Sine function designated by access value
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X := Sine_Access.all(Theta);
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X := Sine_Access.all(Theta);
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If Trig.TC_Call_Tag /= 3 then
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If Trig.TC_Call_Tag /= 3 then
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Report.Failed ("Incorrect Sine_Calc_Table result");
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Report.Failed ("Incorrect Sine_Calc_Table result");
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end if;
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end if;
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Report.Result;
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Report.Result;
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end C3A0003;
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end C3A0003;
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