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Diffstat (limited to 'lib/python2.7/test/decimaltestdata/dqLogB.decTest')
| -rw-r--r-- | lib/python2.7/test/decimaltestdata/dqLogB.decTest | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/lib/python2.7/test/decimaltestdata/dqLogB.decTest b/lib/python2.7/test/decimaltestdata/dqLogB.decTest new file mode 100644 index 0000000..449f3dc --- /dev/null +++ b/lib/python2.7/test/decimaltestdata/dqLogB.decTest @@ -0,0 +1,160 @@ +------------------------------------------------------------------------ +-- dqLogB.decTest -- integral 754r adjusted exponent, for decQuads -- +-- Copyright (c) IBM Corporation, 2005, 2008. All rights reserved. -- +------------------------------------------------------------------------ +-- 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 -- +------------------------------------------------------------------------ +version: 2.59 + +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 + + |