1-- C46024A.ADA 2 3-- Grant of Unlimited Rights 4-- 5-- Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687, 6-- F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained 7-- unlimited rights in the software and documentation contained herein. 8-- Unlimited rights are defined in DFAR 252.227-7013(a)(19). By making 9-- this public release, the Government intends to confer upon all 10-- recipients unlimited rights equal to those held by the Government. 11-- These rights include rights to use, duplicate, release or disclose the 12-- released technical data and computer software in whole or in part, in 13-- any manner and for any purpose whatsoever, and to have or permit others 14-- to do so. 15-- 16-- DISCLAIMER 17-- 18-- ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR 19-- DISCLOSED ARE AS IS. THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED 20-- WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE 21-- SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE 22-- OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A 23-- PARTICULAR PURPOSE OF SAID MATERIAL. 24--* 25-- OBJECTIVE: 26-- CHECK FLOATING POINT CONVERSIONS WHEN THE TARGET TYPE IS A 27-- FIXED POINT TYPE, FOR DIGITS 5. 28 29-- HISTORY: 30-- JET 02/19/88 CREATED ORIGINAL TEST. 31 32WITH REPORT; USE REPORT; 33 34PROCEDURE C46024A IS 35 36 TYPE FLOAT5 IS DIGITS 5; 37 TYPE FIX1 IS DELTA 2#0.01# RANGE -16#20.0# .. 16#20.0#; 38 TYPE FIX2 IS DELTA 2#0.0001# RANGE -16#80.0# .. 16#80.0#; 39 TYPE FIX3 IS DELTA 2#0.000001# RANGE -16#200.0# .. 16#200.0#; 40 41 F5, F5A, F5B : FLOAT5; 42 43 GENERIC 44 TYPE F IS DELTA <>; 45 FUNCTION IDENTG (A : F) RETURN F; 46 47 FUNCTION IDENTG (A : F) RETURN F IS 48 BEGIN 49 RETURN A + F(IDENT_INT(0)); 50 END IDENTG; 51 52 FUNCTION IDENT1 IS NEW IDENTG(FIX1); 53 FUNCTION IDENT2 IS NEW IDENTG(FIX2); 54 FUNCTION IDENT3 IS NEW IDENTG(FIX3); 55 56BEGIN 57 TEST ("C46024A", "CHECK FLOATING POINT CONVERSIONS WHEN THE " & 58 "TARGET TYPE IS A FIXED POINT TYPE, FOR " & 59 "5-DIGIT PRECISION"); 60 61 IF FIX1(FLOAT5'(2#0.1000_0000_0000_0000_00#E-1)) /= 62 IDENT1(2#0.01#) THEN 63 FAILED ("INCORRECT RESULT FROM CONVERSION (1)"); 64 END IF; 65 66 IF FIX1(FLOAT5'(-2#0.1111_1110_0000_0000_00#E5)) /= 67 IDENT1(-2#1_1111.11#) THEN 68 FAILED ("INCORRECT RESULT FROM CONVERSION (2)"); 69 END IF; 70 71 IF FIX1(FLOAT5'(-2#0.1010_0111_1111_1111_11#E4)) < 72 IDENT1(-2#1010.10#) OR 73 FIX1(FLOAT5'(-2#0.1010_0111_1111_1111_11#E4)) > 74 IDENT1(-2#1010.01#) THEN 75 FAILED ("INCORRECT RESULT FROM CONVERSION (3)"); 76 END IF; 77 78 IF FIX2(FLOAT5'(-2#0.1000_0000_0000_0000_00#E-3)) /= 79 IDENT2(-2#0.0001#) THEN 80 FAILED ("INCORRECT RESULT FROM CONVERSION (4)"); 81 END IF; 82 83 IF FIX2(FLOAT5'(2#0.1111_1111_1110_0000_00#E7)) /= 84 IDENT2(2#111_1111.1111#) THEN 85 FAILED ("INCORRECT RESULT FROM CONVERSION (5)"); 86 END IF; 87 88 F5 := 2#0.1010_1010_1010_1010_10#E5; 89 IF FIX2(F5) < IDENT2(2#1_0101.0101#) OR 90 FIX2(F5) > IDENT2(2#1_0101.0110#) THEN 91 FAILED ("INCORRECT RESULT FROM CONVERSION (6)"); 92 END IF; 93 94 IF FIX3(FLOAT5'(2#0.1000_0000_0000_0000_00#E-5)) /= 95 IDENT3(2#0.000001#) THEN 96 FAILED ("INCORRECT RESULT FROM CONVERSION (7)"); 97 END IF; 98 99 IF FIX3(FLOAT5'(-2#0.1111_1111_1111_1110_00#E9)) /= 100 IDENT3(-2#1_1111_1111.1111_11#) THEN 101 FAILED ("INCORRECT RESULT FROM CONVERSION (8)"); 102 END IF; 103 104 F5 := -2#0.1010_1010_1010_1010_10#E8; 105 IF FIX3(F5) < IDENT3(-2#1010_1010.1010_11#) OR 106 FIX3(F5) > IDENT3(-2#1010_1010.1010_10#) THEN 107 FAILED ("INCORRECT RESULT FROM CONVERSION (9)"); 108 END IF; 109 110 F5A := 2#0.1010_1010_1010_1010_10#E4; 111 F5B := 2#0.1010_1010_1010_1010_10#E5; 112 113 IF FIX1(F5A) = IDENT1(2#1010.11#) AND 114 FIX1(-F5A) = IDENT1(-2#1010.11#) AND 115 FIX1(F5B) = IDENT1(2#1_0101.01#) AND 116 FIX1(-F5B) = IDENT1(-2#1_0101.01#) THEN 117 COMMENT ("CONVERSION ROUNDS TO NEAREST"); 118 ELSIF FIX1(F5A) = IDENT1(2#1010.10#) AND 119 FIX1(-F5B) = IDENT1(-2#1_0101.10#) THEN 120 COMMENT ("CONVERSION ROUNDS TO LEAST FIXED-POINT VALUE"); 121 ELSIF FIX1(F5B) = IDENT1(2#1_0101.10#) AND 122 FIX1(-F5A) = IDENT1(-2#1010.10#) THEN 123 COMMENT ("CONVERSION ROUNDS TO GREATEST FIXED-POINT VALUE"); 124 ELSIF FIX1(F5A) = IDENT1(2#1010.10#) AND 125 FIX1(-F5A) = IDENT1(-2#1010.10#) THEN 126 COMMENT ("CONVERSION ROUNDS TOWARD ZERO"); 127 ELSIF FIX1(F5B) = IDENT1(2#1_0101.10#) AND 128 FIX1(-F5B) = IDENT1(-2#1_0101.10#) THEN 129 COMMENT ("CONVERSION ROUNDS AWAY FROM ZERO"); 130 ELSE 131 COMMENT ("UNABLE TO DETERMINE CONVERSION PATTERN"); 132 END IF; 133 134 RESULT; 135 136END C46024A; 137