--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/python-2.5.2/win32/Lib/test/decimaltestdata/logb.decTest Fri Apr 03 17:19:34 2009 +0100
@@ -0,0 +1,162 @@
+------------------------------------------------------------------------
+-- logb.decTest -- return integral adjusted exponent as per 754r --
+-- Copyright (c) IBM Corporation, 2005, 2007. 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: 2.57
+
+-- This emphasises the testing of notable cases, as they will often
+-- have unusual paths (especially the 10**n results).
+
+extended: 1
+rounding: half_even
+maxExponent: 999
+minexponent: -999
+
+-- basics & examples
+precision: 9
+logbx001 logb 0 -> -Infinity Division_by_zero
+logbx002 logb 1E-999 -> -999
+logbx003 logb 9E-999 -> -999
+logbx004 logb 0.001 -> -3
+logbx005 logb 0.03 -> -2
+logbx006 logb 1 -> 0
+logbx007 logb 2 -> 0
+logbx008 logb 2.5 -> 0
+logbx009 logb 2.50 -> 0
+logbx010 logb 10 -> 1
+logbx011 logb 70 -> 1
+logbx012 logb 100 -> 2
+logbx013 logb 250 -> 2
+logbx014 logb +Infinity -> Infinity
+
+-- negatives are treated as positives
+logbx021 logb -0 -> -Infinity Division_by_zero
+logbx022 logb -1E-999 -> -999
+logbx023 logb -9E-999 -> -999
+logbx024 logb -0.001 -> -3
+logbx025 logb -1 -> 0
+logbx026 logb -2 -> 0
+logbx027 logb -10 -> 1
+logbx028 logb -70 -> 1
+logbx029 logb -100 -> 2
+logbx030 logb -100000000 -> 8
+logbx031 logb -Infinity -> Infinity
+
+-- zeros
+logbx111 logb 0 -> -Infinity Division_by_zero
+logbx112 logb -0 -> -Infinity Division_by_zero
+logbx113 logb 0E+4 -> -Infinity Division_by_zero
+logbx114 logb -0E+4 -> -Infinity Division_by_zero
+logbx115 logb 0.0000 -> -Infinity Division_by_zero
+logbx116 logb -0.0000 -> -Infinity Division_by_zero
+logbx117 logb 0E-141 -> -Infinity Division_by_zero
+logbx118 logb -0E-141 -> -Infinity Division_by_zero
+
+-- full coefficients, alternating bits
+logbx121 logb 268268268 -> 8
+logbx122 logb -268268268 -> 8
+logbx123 logb 134134134 -> 8
+logbx124 logb -134134134 -> 8
+
+-- Nmax, Nmin, Ntiny
+logbx131 logb 9.99999999E+999 -> 999
+logbx132 logb 1E-999 -> -999
+logbx133 logb 1.00000000E-999 -> -999
+logbx134 logb 1E-1007 -> -1007
+
+logbx135 logb -1E-1007 -> -1007
+logbx136 logb -1.00000000E-999 -> -999
+logbx137 logb -1E-999 -> -999
+logbx138 logb -9.99999999E+999 -> 999
+
+-- ones
+logbx0061 logb 1 -> 0
+logbx0062 logb 1.0 -> 0
+logbx0063 logb 1.000000000000000 -> 0
+logbx0064 logb 1.000000000000000000 -> 0
+
+-- notable cases -- exact powers of 10
+logbx1100 logb 1 -> 0
+logbx1101 logb 10 -> 1
+logbx1102 logb 100 -> 2
+logbx1103 logb 1000 -> 3
+logbx1104 logb 10000 -> 4
+logbx1105 logb 100000 -> 5
+logbx1106 logb 1000000 -> 6
+logbx1107 logb 10000000 -> 7
+logbx1108 logb 100000000 -> 8
+logbx1109 logb 1000000000 -> 9
+logbx1110 logb 10000000000 -> 10
+logbx1111 logb 100000000000 -> 11
+logbx1112 logb 1000000000000 -> 12
+logbx1113 logb 0.00000000001 -> -11
+logbx1114 logb 0.0000000001 -> -10
+logbx1115 logb 0.000000001 -> -9
+logbx1116 logb 0.00000001 -> -8
+logbx1117 logb 0.0000001 -> -7
+logbx1118 logb 0.000001 -> -6
+logbx1119 logb 0.00001 -> -5
+logbx1120 logb 0.0001 -> -4
+logbx1121 logb 0.001 -> -3
+logbx1122 logb 0.01 -> -2
+logbx1123 logb 0.1 -> -1
+logbx1124 logb 1E-99 -> -99
+logbx1125 logb 1E-100 -> -100
+logbx1126 logb 1E-383 -> -383
+logbx1127 logb 1E-999 -> -999
+
+-- suggestions from Ilan Nehama
+logbx1400 logb 10E-3 -> -2
+logbx1401 logb 10E-2 -> -1
+logbx1402 logb 100E-2 -> 0
+logbx1403 logb 1000E-2 -> 1
+logbx1404 logb 10000E-2 -> 2
+logbx1405 logb 10E-1 -> 0
+logbx1406 logb 100E-1 -> 1
+logbx1407 logb 1000E-1 -> 2
+logbx1408 logb 10000E-1 -> 3
+logbx1409 logb 10E0 -> 1
+logbx1410 logb 100E0 -> 2
+logbx1411 logb 1000E0 -> 3
+logbx1412 logb 10000E0 -> 4
+logbx1413 logb 10E1 -> 2
+logbx1414 logb 100E1 -> 3
+logbx1415 logb 1000E1 -> 4
+logbx1416 logb 10000E1 -> 5
+logbx1417 logb 10E2 -> 3
+logbx1418 logb 100E2 -> 4
+logbx1419 logb 1000E2 -> 5
+logbx1420 logb 10000E2 -> 6
+
+-- special values
+logbx820 logb Infinity -> Infinity
+logbx821 logb -Infinity -> Infinity
+logbx822 logb 0 -> -Infinity Division_by_zero
+logbx823 logb NaN -> NaN
+logbx824 logb sNaN -> NaN Invalid_operation
+-- propagating NaNs
+logbx825 logb sNaN123 -> NaN123 Invalid_operation
+logbx826 logb -sNaN321 -> -NaN321 Invalid_operation
+logbx827 logb NaN456 -> NaN456
+logbx828 logb -NaN654 -> -NaN654
+logbx829 logb NaN1 -> NaN1
+
+-- Null test
+logbx900 logb # -> NaN Invalid_operation
+
+