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[/] [scarts/] [trunk/] [toolchain/] [scarts-gcc/] [gcc-4.1.1/] [gcc/] [testsuite/] [ada/] [acats/] [tests/] [c4/] [c45532b.ada] - Rev 12
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-- C45532B.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: -- CHECK THAT THE OPERATOR "/" PRODUCES CORRECT RESULTS -- FOR FIXED POINT TYPES USING 3 SUBTESTS. -- THIS TEST REQUIRES MIN_WORD_LENGTH = 12. -- THIS TEST USES VALUES OF DELTA WHICH ARE LESS THAN 0.5. -- -- TEST CASES ARE: -- A) THE OPERATOR /, A, B, AND A / B ALL MODEL NUMBERS. -- B) THE OPERATOR /, A, B MODEL NUMBERS A / B NOT. -- C) THE OPERATOR /, USING NO MODEL NUMBERS. -- -- REPEAT FOR MINIMUM REQUIRED WORD LENGTHS OF 12, 16, 32 AND 48, -- WITH RANGE <, =, AND > THAN 1.0 AND -- WITH DELTA <, =, AND > THAN 1.0. -- HISTORY: -- NTW 09/08/86 CREATED ORIGINAL TEST. -- RJW 11/05/86 REVISED COMMENTS. -- DHH 10/20/87 SHORTENED LINES CONTAINING MORE THAN 72 CHARACTERS. -- RDH 04/27/90 REVISED APPLICABILITY CRITERIA. -- BCB 10/03/90 REMOVED APPLICABILITY CRITERIA AND N/A => ERROR -- LINE. CHANGED EXTENSION FROM '.DEP' TO '.ADA'. WITH REPORT; PROCEDURE C45532B IS USE REPORT; MIN_WORD_LENGTH : CONSTANT := 12; -- MUST BE EVEN & >= 6 FULL_SCALE : CONSTANT := 2 ** (MIN_WORD_LENGTH - 1); FORTH : CONSTANT := FULL_SCALE / 4; A_THIRD : CONSTANT := FULL_SCALE / 3; DEL1 : CONSTANT := 0.5 / FULL_SCALE; TYPE FX_0P5 IS DELTA DEL1 * 1 RANGE -0.5 .. 0.5 - DEL1 * 1; TYPE FX_1 IS DELTA DEL1 * 2 RANGE -1.0 .. 1.0 - DEL1 * 2; TYPE FX_2 IS DELTA DEL1 * 4 RANGE -2.0 .. 2.0 - DEL1 * 4; BEGIN TEST ("C45532B", "FIXED POINT OPERATOR ""/"" " & "FOR RANGE <, =, AND > 1.0"); -------------------------------------------------- -- CASE A) THE OPERATOR /, A, B, AND A / B ALL MODEL NUMBERS. A: DECLARE A : FX_0P5 := 0.0; B : FX_1 := 0.0; RESULT_VALUE : FX_2 := 0.0; LOWEST_ACCEPTABLE_VALUE : FX_2 := FX_2 (0.5); HIGHEST_ACCEPTABLE_VALUE : FX_2 := FX_2 (0.5); BEGIN IF EQUAL (3, 3) THEN A := FX_0P5 (0.125); -- A MODEL NUMBER B := FX_1 (0.25); -- A MODEL NUMBER END IF; RESULT_VALUE := FX_2 (A / B); IF (RESULT_VALUE < LOWEST_ACCEPTABLE_VALUE) OR (RESULT_VALUE > HIGHEST_ACCEPTABLE_VALUE) THEN FAILED ("RESULT OF ""/"" OUTSIDE RESULT MODEL INTERVAL " & "WHEN A, B, AND A / B ARE ALL MODEL NUMBERS"); END IF; END A; -------------------------------------------------- -- CASE B) THE OPERATOR /, A, B MODEL NUMBERS A / B NOT. B: DECLARE A : FX_0P5 := 0.0; B : FX_0P5 := 0.0; RESULT_VALUE : FX_1 := 0.0; LOWEST_ACCEPTABLE_VALUE : FX_1 := FX_1 (2 * DEL1 * A_THIRD); HIGHEST_ACCEPTABLE_VALUE : FX_1 := FX_1 (2 * DEL1 * (A_THIRD + 1) ); BEGIN IF EQUAL (3, 3) THEN A := FX_0P5 (DEL1 * 1); -- A MODEL NUMBER B := FX_0P5 (DEL1 * 3); -- A MODEL NUMBER END IF; RESULT_VALUE := FX_1 (A / B); IF (RESULT_VALUE < LOWEST_ACCEPTABLE_VALUE) OR (RESULT_VALUE > HIGHEST_ACCEPTABLE_VALUE) THEN FAILED ("RESULT OF ""/"" OUTSIDE RESULT MODEL INTERVAL " & "WHEN A, B MODEL NUMBERS A / B NOT"); END IF; END B; -------------------------------------------------- -- CASE C) THE OPERATOR /, USING NO MODEL NUMBERS C: DECLARE A : FX_1 := 0.0; B : FX_1 := 0.0; RESULT_VALUE : FX_0P5 := 0.0; LOW_COUNT : CONSTANT := 2 * A_THIRD; -- := (2 * FULL_SCALE * (2 * FORTH + 0)) -- / (6 * FORTH + 2); HIGH_COUNT : CONSTANT := 2 * A_THIRD + 4; -- := (2 * FULL_SCALE * (2 * FORTH + 2)) -- / (6 * FORTH + 0); LOWEST_ACCEPTABLE_VALUE : FX_0P5 := FX_0P5 (DEL1 * LOW_COUNT ); HIGHEST_ACCEPTABLE_VALUE : FX_0P5 := FX_0P5 (DEL1 * HIGH_COUNT ); BEGIN IF EQUAL (3, 3) THEN -- A AND B NOT MODEL NUMBERS A := FX_1 (DEL1 * (2 * FORTH + 1)); B := FX_1 (DEL1 * (6 * FORTH + 1)); END IF; RESULT_VALUE := FX_0P5 (A / B); IF (RESULT_VALUE < LOWEST_ACCEPTABLE_VALUE) OR (RESULT_VALUE > HIGHEST_ACCEPTABLE_VALUE) THEN FAILED ("RESULT OF ""/"" OUTSIDE RESULT MODEL INTERVAL " & "WHEN USING NO MODEL NUMBERS"); END IF; END C; -------------------------------------------------- RESULT; END C45532B;