2007-09-13 15:13:15 -03:00
|
|
|
------------------------------------------------------------------------
|
|
|
|
|
-- dqLogB.decTest -- integral 754r adjusted exponent, for decQuads --
|
2008-07-27 03:39:07 -03:00
|
|
|
-- Copyright (c) IBM Corporation, 2005, 2008. All rights reserved. --
|
2007-09-13 15:13:15 -03:00
|
|
|
------------------------------------------------------------------------
|
|
|
|
|
-- Please see the document "General Decimal Arithmetic Testcases" --
|
|
|
|
|
-- at http://www2.hursley.ibm.com/decimal for the description of --
|
|
|
|
|
-- these testcases. --
|
|
|
|
|
-- --
|
|
|
|
|
-- These testcases are experimental ('beta' versions), and they --
|
|
|
|
|
-- may contain errors. They are offered on an as-is basis. In --
|
|
|
|
|
-- particular, achieving the same results as the tests here is not --
|
|
|
|
|
-- a guarantee that an implementation complies with any Standard --
|
|
|
|
|
-- or specification. The tests are not exhaustive. --
|
|
|
|
|
-- --
|
|
|
|
|
-- Please send comments, suggestions, and corrections to the author: --
|
|
|
|
|
-- Mike Cowlishaw, IBM Fellow --
|
|
|
|
|
-- IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK --
|
|
|
|
|
-- mfc@uk.ibm.com --
|
|
|
|
|
------------------------------------------------------------------------
|
2008-07-27 03:39:07 -03:00
|
|
|
version: 2.58
|
2007-09-13 15:13:15 -03:00
|
|
|
|
|
|
|
|
extended: 1
|
|
|
|
|
clamp: 1
|
|
|
|
|
precision: 34
|
|
|
|
|
maxExponent: 6144
|
|
|
|
|
minExponent: -6143
|
|
|
|
|
rounding: half_even
|
|
|
|
|
|
|
|
|
|
-- basics
|
|
|
|
|
dqlogb000 logb 0 -> -Infinity Division_by_zero
|
|
|
|
|
dqlogb001 logb 1E-6176 -> -6176
|
|
|
|
|
dqlogb002 logb 1E-6143 -> -6143
|
|
|
|
|
dqlogb003 logb 0.001 -> -3
|
|
|
|
|
dqlogb004 logb 0.03 -> -2
|
|
|
|
|
dqlogb005 logb 1 -> 0
|
|
|
|
|
dqlogb006 logb 2 -> 0
|
|
|
|
|
dqlogb007 logb 2.5 -> 0
|
|
|
|
|
dqlogb008 logb 2.50 -> 0
|
|
|
|
|
dqlogb009 logb 2.500 -> 0
|
|
|
|
|
dqlogb010 logb 10 -> 1
|
|
|
|
|
dqlogb011 logb 70 -> 1
|
|
|
|
|
dqlogb012 logb 100 -> 2
|
|
|
|
|
dqlogb013 logb 250 -> 2
|
|
|
|
|
dqlogb014 logb 9E+6144 -> 6144
|
|
|
|
|
dqlogb015 logb +Infinity -> Infinity
|
|
|
|
|
|
|
|
|
|
-- negatives appear to be treated as positives
|
|
|
|
|
dqlogb021 logb -0 -> -Infinity Division_by_zero
|
|
|
|
|
dqlogb022 logb -1E-6176 -> -6176
|
|
|
|
|
dqlogb023 logb -9E-6143 -> -6143
|
|
|
|
|
dqlogb024 logb -0.001 -> -3
|
|
|
|
|
dqlogb025 logb -1 -> 0
|
|
|
|
|
dqlogb026 logb -2 -> 0
|
|
|
|
|
dqlogb027 logb -10 -> 1
|
|
|
|
|
dqlogb028 logb -70 -> 1
|
|
|
|
|
dqlogb029 logb -100 -> 2
|
|
|
|
|
dqlogb030 logb -9E+6144 -> 6144
|
|
|
|
|
dqlogb031 logb -Infinity -> Infinity
|
|
|
|
|
|
|
|
|
|
-- zeros
|
|
|
|
|
dqlogb111 logb 0 -> -Infinity Division_by_zero
|
|
|
|
|
dqlogb112 logb -0 -> -Infinity Division_by_zero
|
|
|
|
|
dqlogb113 logb 0E+4 -> -Infinity Division_by_zero
|
|
|
|
|
dqlogb114 logb -0E+4 -> -Infinity Division_by_zero
|
|
|
|
|
dqlogb115 logb 0.0000 -> -Infinity Division_by_zero
|
|
|
|
|
dqlogb116 logb -0.0000 -> -Infinity Division_by_zero
|
|
|
|
|
dqlogb117 logb 0E-141 -> -Infinity Division_by_zero
|
|
|
|
|
dqlogb118 logb -0E-141 -> -Infinity Division_by_zero
|
|
|
|
|
|
|
|
|
|
-- full coefficients, alternating bits
|
|
|
|
|
dqlogb121 logb 268268268 -> 8
|
|
|
|
|
dqlogb122 logb -268268268 -> 8
|
|
|
|
|
dqlogb123 logb 134134134 -> 8
|
|
|
|
|
dqlogb124 logb -134134134 -> 8
|
|
|
|
|
|
|
|
|
|
-- Nmax, Nmin, Ntiny
|
|
|
|
|
dqlogb131 logb 9.999999999999999999999999999999999E+6144 -> 6144
|
|
|
|
|
dqlogb132 logb 1E-6143 -> -6143
|
|
|
|
|
dqlogb133 logb 1.000000000000000000000000000000000E-6143 -> -6143
|
|
|
|
|
dqlogb134 logb 1E-6176 -> -6176
|
|
|
|
|
|
|
|
|
|
dqlogb135 logb -1E-6176 -> -6176
|
|
|
|
|
dqlogb136 logb -1.000000000000000000000000000000000E-6143 -> -6143
|
|
|
|
|
dqlogb137 logb -1E-6143 -> -6143
|
|
|
|
|
dqlogb1614 logb -9.999999999999999999999999999999999E+6144 -> 6144
|
|
|
|
|
|
|
|
|
|
-- ones
|
|
|
|
|
dqlogb0061 logb 1 -> 0
|
|
|
|
|
dqlogb0062 logb 1.0 -> 0
|
|
|
|
|
dqlogb0063 logb 1.000000000000000 -> 0
|
|
|
|
|
|
|
|
|
|
-- notable cases -- exact powers of 10
|
|
|
|
|
dqlogb1100 logb 1 -> 0
|
|
|
|
|
dqlogb1101 logb 10 -> 1
|
|
|
|
|
dqlogb1102 logb 100 -> 2
|
|
|
|
|
dqlogb1103 logb 1000 -> 3
|
|
|
|
|
dqlogb1104 logb 10000 -> 4
|
|
|
|
|
dqlogb1105 logb 100000 -> 5
|
|
|
|
|
dqlogb1106 logb 1000000 -> 6
|
|
|
|
|
dqlogb1107 logb 10000000 -> 7
|
|
|
|
|
dqlogb1108 logb 100000000 -> 8
|
|
|
|
|
dqlogb1109 logb 1000000000 -> 9
|
|
|
|
|
dqlogb1110 logb 10000000000 -> 10
|
|
|
|
|
dqlogb1111 logb 100000000000 -> 11
|
|
|
|
|
dqlogb1112 logb 1000000000000 -> 12
|
|
|
|
|
dqlogb1113 logb 0.00000000001 -> -11
|
|
|
|
|
dqlogb1114 logb 0.0000000001 -> -10
|
|
|
|
|
dqlogb1115 logb 0.000000001 -> -9
|
|
|
|
|
dqlogb1116 logb 0.00000001 -> -8
|
|
|
|
|
dqlogb1117 logb 0.0000001 -> -7
|
|
|
|
|
dqlogb1118 logb 0.000001 -> -6
|
|
|
|
|
dqlogb1119 logb 0.00001 -> -5
|
|
|
|
|
dqlogb1120 logb 0.0001 -> -4
|
|
|
|
|
dqlogb1121 logb 0.001 -> -3
|
|
|
|
|
dqlogb1122 logb 0.01 -> -2
|
|
|
|
|
dqlogb1123 logb 0.1 -> -1
|
|
|
|
|
dqlogb1124 logb 1E-99 -> -99
|
|
|
|
|
dqlogb1125 logb 1E-100 -> -100
|
|
|
|
|
dqlogb1127 logb 1E-299 -> -299
|
|
|
|
|
dqlogb1126 logb 1E-6143 -> -6143
|
|
|
|
|
|
|
|
|
|
-- suggestions from Ilan Nehama
|
|
|
|
|
dqlogb1400 logb 10E-3 -> -2
|
|
|
|
|
dqlogb1401 logb 10E-2 -> -1
|
|
|
|
|
dqlogb1402 logb 100E-2 -> 0
|
|
|
|
|
dqlogb1403 logb 1000E-2 -> 1
|
|
|
|
|
dqlogb1404 logb 10000E-2 -> 2
|
|
|
|
|
dqlogb1405 logb 10E-1 -> 0
|
|
|
|
|
dqlogb1406 logb 100E-1 -> 1
|
|
|
|
|
dqlogb1407 logb 1000E-1 -> 2
|
|
|
|
|
dqlogb1408 logb 10000E-1 -> 3
|
|
|
|
|
dqlogb1409 logb 10E0 -> 1
|
|
|
|
|
dqlogb1410 logb 100E0 -> 2
|
|
|
|
|
dqlogb1411 logb 1000E0 -> 3
|
|
|
|
|
dqlogb1412 logb 10000E0 -> 4
|
|
|
|
|
dqlogb1413 logb 10E1 -> 2
|
|
|
|
|
dqlogb1414 logb 100E1 -> 3
|
|
|
|
|
dqlogb1415 logb 1000E1 -> 4
|
|
|
|
|
dqlogb1416 logb 10000E1 -> 5
|
|
|
|
|
dqlogb1417 logb 10E2 -> 3
|
|
|
|
|
dqlogb1418 logb 100E2 -> 4
|
|
|
|
|
dqlogb1419 logb 1000E2 -> 5
|
|
|
|
|
dqlogb1420 logb 10000E2 -> 6
|
|
|
|
|
|
|
|
|
|
-- special values
|
|
|
|
|
dqlogb820 logb Infinity -> Infinity
|
|
|
|
|
dqlogb821 logb 0 -> -Infinity Division_by_zero
|
|
|
|
|
dqlogb822 logb NaN -> NaN
|
|
|
|
|
dqlogb823 logb sNaN -> NaN Invalid_operation
|
|
|
|
|
-- propagating NaNs
|
|
|
|
|
dqlogb824 logb sNaN123 -> NaN123 Invalid_operation
|
|
|
|
|
dqlogb825 logb -sNaN321 -> -NaN321 Invalid_operation
|
|
|
|
|
dqlogb826 logb NaN456 -> NaN456
|
|
|
|
|
dqlogb827 logb -NaN654 -> -NaN654
|
|
|
|
|
dqlogb828 logb NaN1 -> NaN1
|
|
|
|
|
|
|
|
|
|
-- Null test
|
|
|
|
|
dqlogb900 logb # -> NaN Invalid_operation
|
|
|
|
|
|
|
|
|
|
|
