From 554fd8c5195424bdbcabf5de30fdc183aba391bd Mon Sep 17 00:00:00 2001 From: upstream source tree Date: Sun, 15 Mar 2015 20:14:05 -0400 Subject: obtained gcc-4.6.4.tar.bz2 from upstream website; verified gcc-4.6.4.tar.bz2.sig; imported gcc-4.6.4 source tree from verified upstream tarball. downloading a git-generated archive based on the 'upstream' tag should provide you with a source tree that is binary identical to the one extracted from the above tarball. if you have obtained the source via the command 'git clone', however, do note that line-endings of files in your working directory might differ from line-endings of the respective files in the upstream repository. --- gcc/testsuite/ada/acats/tests/c3/c35902d.ada | 121 +++++++++++++++++++++++++++ 1 file changed, 121 insertions(+) create mode 100644 gcc/testsuite/ada/acats/tests/c3/c35902d.ada (limited to 'gcc/testsuite/ada/acats/tests/c3/c35902d.ada') diff --git a/gcc/testsuite/ada/acats/tests/c3/c35902d.ada b/gcc/testsuite/ada/acats/tests/c3/c35902d.ada new file mode 100644 index 000000000..c09fe5894 --- /dev/null +++ b/gcc/testsuite/ada/acats/tests/c3/c35902d.ada @@ -0,0 +1,121 @@ +-- C35902D.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. +--* +-- CHECK THAT THE BINARY POINT IN THE MANTISSA OF A FIXED POINT NUMBER +-- CAN LIE OUTSIDE THE MANTISSA (EITHER TO THE LEFT OR TO THE RIGHT). + +-- WRG 7/18/86 + +WITH REPORT; USE REPORT; +WITH SYSTEM; USE SYSTEM; +PROCEDURE C35902D IS + +BEGIN + + TEST ("C35902D", "CHECK THAT THE BINARY POINT IN THE MANTISSA " & + "OF A FIXED POINT NUMBER CAN LIE OUTSIDE THE " & + "MANTISSA (EITHER TO THE LEFT OR TO THE RIGHT)"); + + COMMENT ("VALUE OF SYSTEM.MAX_MANTISSA IS" & + POSITIVE'IMAGE(MAX_MANTISSA) ); + + A: DECLARE + + RS : CONSTANT := 2.0; + + TYPE ONE_TO_THE_RIGHT IS + DELTA RS + RANGE -(2.0 ** (MAX_MANTISSA+1) ) .. + 2.0 ** (MAX_MANTISSA+1); + -- THE BINARY POINT IS ONE PLACE TO THE RIGHT OF THE + -- LARGEST POSSIBLE MANTISSA. + + R1, R2 : ONE_TO_THE_RIGHT; + + BEGIN + + R1 := RS; + FOR I IN POSITIVE RANGE 1 .. MAX_MANTISSA - 1 LOOP + R1 := R1 * IDENT_INT (2); + END LOOP; + R2 := R1 - RS; + R2 := R2 + R1; + -- AT THIS POINT, R2 SHOULD EQUAL ONE_TO_THE_RIGHT'LARGE. + R2 := -R2; + R2 := R2 + (R1 - RS); + FOR I IN POSITIVE RANGE 1 .. MAX_MANTISSA - 1 LOOP + R2 := R2 / IDENT_INT (2); + END LOOP; + IF R2 /= -RS THEN + FAILED ("IDENTITY-PRESERVING OPERATIONS ARE FLAKY - A"); + END IF; + + EXCEPTION + + WHEN OTHERS => + FAILED ("EXCEPTION RAISED - A"); + + END A; + + B: DECLARE + + LS : CONSTANT := 2.0 ** (-(MAX_MANTISSA+1) ); + + TYPE ONE_TO_THE_LEFT IS + DELTA LS + RANGE -(2.0 ** (-1) ) .. + 2.0 ** (-1); + -- THE BINARY POINT IS ONE PLACE TO THE LEFT OF THE + -- LARGEST POSSIBLE MANTISSA. + + L1, L2 : ONE_TO_THE_LEFT; + + BEGIN + + L1 := LS; + FOR I IN POSITIVE RANGE 1 .. MAX_MANTISSA - 1 LOOP + L1 := L1 * IDENT_INT (2); + END LOOP; + L2 := L1 - LS; + L2 := L2 + L1; + -- AT THIS POINT, L2 SHOULD EQUAL ONE_TO_THE_LEFT'LARGE. + L2 := -L2; + L2 := L2 + (L1 - LS); + FOR I IN POSITIVE RANGE 1 .. MAX_MANTISSA - 1 LOOP + L2 := L2 / IDENT_INT (2); + END LOOP; + IF L2 /= -LS THEN + FAILED ("IDENTITY-PRESERVING OPERATIONS ARE FLAKY - B"); + END IF; + + EXCEPTION + + WHEN OTHERS => + FAILED ("EXCEPTION RAISED - B"); + + END B; + + RESULT; + +END C35902D; -- cgit v1.2.3