-- C45531M.DEP -- 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 MIXED FIXED POINT AND INTEGER TYPES USING 4 SUBTESTS. -- THIS TEST REQUIRES MIN_WORD_LENGTH = 48. -- THIS TEST USES VALUES OF DELTA WHICH ARE LESS THAN 0.5. -- -- TEST CASES ARE: -- A) INTEGER * FIXED WHEN ALL VALUES ARE MODEL NUMBERS. -- B) FIXED * INTEGER WHEN ALL VALUES ARE MODEL NUMBERS. -- C) INTEGER * FIXED FOR NON-MODEL NUMBERS. -- D) FIXED * INTEGER FOR NON-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. -- APPLICABILITY CRITERIA: -- THIS TEST IS APPLICABLE FOR IMPLEMENTATIONS WHICH HAVE A -- 'MAX_MANTISSA OF 47 OR GREATER. -- IF 'MAX_MANTISSA >= 47 IS NOT SUPPORTED THEN THE DECLARATION OF -- 'TYPE FX_OP5' MUST BE REJECTED. -- HISTORY: -- NTW 09/08/86 CREATED ORIGINAL TEST. -- RJW 11/05/86 REVISED COMMENTS. -- DHH 01/13/88 ADDED APPLICABILITY CRITERIA AND STANDARD HEADER. -- BCB 04/27/90 REVISED APPLICABILITY CRITERIA. WITH REPORT; PROCEDURE C45531M IS USE REPORT; MIN_WORD_LENGTH : CONSTANT := 48; FULL_SCALE : CONSTANT := 2 ** (MIN_WORD_LENGTH - 1); FORTH : CONSTANT := FULL_SCALE / 4; DEL1 : CONSTANT := 0.5 / FULL_SCALE; DEL4 : CONSTANT := 4.0 * DEL1; TYPE FX_0P5 IS DELTA DEL1 * 1 RANGE -0.5 .. 0.5 - DEL1 * 1; -- N/A => ERROR. 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 ("C45531M", "MIXED FIXED POINT AND INTEGER ""*"" " & "FOR RANGE <, =, > 1.0"); -------------------------------------------------- -- CASE A) INTEGER * FIXED WHEN ALL VALUES ARE MODEL NUMBERS. A: DECLARE A : INTEGER := 0; B : FX_0P5 := 0.0; RESULT_VALUE : FX_0P5 := 0.0; LOWEST_ACCEPTABLE_VALUE : FX_0P5 := FX_0P5 (0.375); HIGHEST_ACCEPTABLE_VALUE : FX_0P5 := FX_0P5 (0.375); BEGIN IF EQUAL (3, 3) THEN A := 3; B := FX_0P5 (0.125); -- A MODEL NUMBER END IF; RESULT_VALUE := A * B; IF (RESULT_VALUE < LOWEST_ACCEPTABLE_VALUE) OR (RESULT_VALUE > HIGHEST_ACCEPTABLE_VALUE) THEN FAILED ("RESULT OF ""*"" OUTSIDE RESULT MODEL INTERVAL " & "FOR INTEGER * FIXED " & "WHEN ALL VALUES ARE MODEL NUMBERS"); END IF; END A; -------------------------------------------------- -- CASE B) FIXED * INTEGER WHEN ALL VALUES ARE MODEL NUMBERS. B: DECLARE A : FX_1 := 0.0; B : INTEGER := 0; RESULT_VALUE : FX_1 := 0.0; LOWEST_ACCEPTABLE_VALUE : FX_1 := FX_1 (0.75); HIGHEST_ACCEPTABLE_VALUE : FX_1 := FX_1 (0.75); BEGIN IF EQUAL (3, 3) THEN A := FX_1 (0.125); -- A MODEL NUMBER B := 6; END IF; RESULT_VALUE := A * B; IF (RESULT_VALUE < LOWEST_ACCEPTABLE_VALUE) OR (RESULT_VALUE > HIGHEST_ACCEPTABLE_VALUE) THEN FAILED ("RESULT OF ""*"" OUTSIDE RESULT MODEL INTERVAL " & "FOR FIXED * INTEGER " & "WHEN ALL VALUES ARE MODEL NUMBERS"); END IF; END B; -------------------------------------------------- -- CASE C) INTEGER * FIXED FOR NON-MODEL NUMBERS. C: DECLARE A : INTEGER := 0; B : FX_2 := 0.0; RESULT_VALUE : FX_2 := 0.0; LOW_COUNT : CONSTANT := (3 * (FORTH + 0) ); HIGH_COUNT : CONSTANT := (3 * (FORTH + 1) ); LOWEST_ACCEPTABLE_VALUE : FX_2 := FX_2 (DEL4 * LOW_COUNT ); HIGHEST_ACCEPTABLE_VALUE : FX_2 := FX_2 (DEL4 * HIGH_COUNT); BEGIN IF EQUAL (3, 3) THEN -- B NOT A MODEL NUMBER A := 3; B := FX_2 (DEL4 * FORTH + DEL1 ); END IF; RESULT_VALUE := A * B; IF (RESULT_VALUE < LOWEST_ACCEPTABLE_VALUE) OR (RESULT_VALUE > HIGHEST_ACCEPTABLE_VALUE) THEN FAILED ("RESULT OF ""*"" OUTSIDE RESULT MODEL INTERVAL " & "FOR INTEGER * FIXED FOR NON-MODEL NUMBERS"); END IF; END C; -------------------------------------------------- -- CASE D) FIXED * INTEGER FOR NON-MODEL NUMBERS. D: DECLARE A : FX_2 := 0.0; B : INTEGER := 0; RESULT_VALUE : FX_2 := 0.0; LOW_COUNT : CONSTANT := (3 * (FORTH + 0) ); HIGH_COUNT : CONSTANT := (3 * (FORTH + 1) ); LOWEST_ACCEPTABLE_VALUE : FX_2 := FX_2 (DEL4 * LOW_COUNT ); HIGHEST_ACCEPTABLE_VALUE : FX_2 := FX_2 (DEL4 * HIGH_COUNT); BEGIN IF EQUAL (3, 3) THEN -- A NOT A MODEL NUMBER A := FX_2 (DEL4 * FORTH + DEL1 ); B := 3; END IF; RESULT_VALUE := A * B; IF (RESULT_VALUE < LOWEST_ACCEPTABLE_VALUE) OR (RESULT_VALUE > HIGHEST_ACCEPTABLE_VALUE) THEN FAILED ("RESULT OF ""*"" OUTSIDE RESULT MODEL INTERVAL " & "FOR FIXED * INTEGER FOR NON-MODEL NUMBERS"); END IF; END D; -------------------------------------------------- RESULT; END C45531M;