c47005a.ada

来自「用于进行gcc测试」· ADA 代码 · 共 137 行

-- C47005A.ADA

--                             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:
--     WHEN THE TYPE MARK IN A QUALIFIED EXPRESSION DENOTES A FLOATING
--     POINT TYPE, CHECK THAT CONSTRAINT_ERROR IS RAISED WHEN THE VALUE
--     OF THE OPERAND DOES NOT LIE WITHIN THE RANGE OF THE TYPE MARK.

-- HISTORY:
--     RJW 07/23/86  CREATED ORIGINAL TEST.
--     BCB 08/19/87  CHANGED HEADER TO STANDARD HEADER FORMAT.  ADDED
--                   TEST FOR UPPER SIDE OF RANGE.

WITH REPORT; USE REPORT;
PROCEDURE C47005A IS

BEGIN

     TEST( "C47005A", "WHEN THE TYPE MARK IN A QUALIFIED EXPRESSION " &
                      "DENOTES A FLOATING POINT TYPE, CHECK THAT " &
                      "CONSTRAINT_ERROR IS RAISED WHEN THE VALUE " &
                      "OF THE OPERAND DOES NOT LIE WITHIN THE " &
                      "RANGE OF THE TYPE MARK" );

     DECLARE

          SUBTYPE SFLOAT IS FLOAT RANGE -1.0 .. 1.0;

          FUNCTION IDENT (F : FLOAT) RETURN FLOAT IS
          BEGIN
               IF EQUAL (3, 3) THEN
                    RETURN F;
               ELSE
                    RETURN 0.0;
               END IF;
          END IDENT;

     BEGIN
          IF SFLOAT'(IDENT (-2.0)) = -1.0 THEN
               FAILED ( "NO EXCEPTION RAISED FOR VALUE OUTSIDE OF " &
                        "SUBTYPE SFLOAT - 1");
          ELSE
               FAILED ( "NO EXCEPTION RAISED FOR VALUE OUTSIDE OF " &
                        "SUBTYPE SFLOAT - 2");
          END IF;
     EXCEPTION
          WHEN CONSTRAINT_ERROR =>
               NULL;
          WHEN OTHERS =>
               FAILED ( "WRONG EXCEPTION RAISED FOR VALUE OUTSIDE " &
                        "OF SUBTYPE SFLOAT" );
     END;

     DECLARE

          TYPE FLT IS DIGITS 3 RANGE -5.0 .. 5.0;
          SUBTYPE SFLT IS FLT RANGE -1.0 .. 1.0;

          FUNCTION IDENT (F : FLT) RETURN FLT IS
          BEGIN
               IF EQUAL (3, 3) THEN
                    RETURN F;
               ELSE
                    RETURN 0.0;
               END IF;
          END IDENT;

     BEGIN
          IF SFLT'(IDENT (-2.0)) = -1.0 THEN
               FAILED ( "NO EXCEPTION RAISED FOR VALUE OUTSIDE OF " &
                        "SUBTYPE SFLT - 1");
          ELSE
               FAILED ( "NO EXCEPTION RAISED FOR VALUE OUTSIDE OF " &
                        "SUBTYPE SFLT - 2");
          END IF;
     EXCEPTION
          WHEN CONSTRAINT_ERROR =>
               NULL;
          WHEN OTHERS =>
               FAILED ( "WRONG EXCEPTION RAISED FOR VALUE OUTSIDE " &
                        "OF SUBTYPE SFLT" );
     END;

     DECLARE

          TYPE NFLT IS NEW FLOAT;
          SUBTYPE SNFLT IS NFLT RANGE -1.0 .. 1.0;

          FUNCTION IDENT (F : NFLT) RETURN NFLT IS
          BEGIN
               IF EQUAL (3, 3) THEN
                    RETURN F;
               ELSE
                    RETURN 0.0;
               END IF;
          END IDENT;

     BEGIN
          IF SNFLT'(IDENT (2.0)) = 1.0 THEN
               FAILED ( "NO EXCEPTION RAISED FOR VALUE OUTSIDE OF " &
                        "SUBTYPE SNFLT 1");
          ELSE
               FAILED ( "NO EXCEPTION RAISED FOR VALUE OUTSIDE OF " &
                        "SUBTYPE SNFLT 2");
          END IF;
     EXCEPTION
          WHEN CONSTRAINT_ERROR =>
               NULL;
          WHEN OTHERS =>
               FAILED ( "WRONG EXCEPTION RAISED FOR VALUE OUTSIDE " &
                        "OF SUBTYPE SNFLT" );
     END;

     RESULT;
END C47005A;