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Diffstat (limited to 'lib/python2.7/test/decimaltestdata/logb.decTest')
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1 files changed, 0 insertions, 188 deletions
diff --git a/lib/python2.7/test/decimaltestdata/logb.decTest b/lib/python2.7/test/decimaltestdata/logb.decTest deleted file mode 100644 index 8b79006..0000000 --- a/lib/python2.7/test/decimaltestdata/logb.decTest +++ /dev/null @@ -1,188 +0,0 @@ ------------------------------------------------------------------------- --- logb.decTest -- return integral adjusted exponent as per 754r -- --- Copyright (c) IBM Corporation, 2005, 2009. 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 - --- 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 - --- inexacts -precision: 2 -logbx1500 logb 10000E2 -> 6 -logbx1501 logb 1E+99 -> 99 -logbx1502 logb 1E-99 -> -99 -logbx1503 logb 1E+100 -> 1.0E+2 Rounded -logbx1504 logb 1E+999 -> 1.0E+3 Inexact Rounded -logbx1505 logb 1E-100 -> -1.0E+2 Rounded -logbx1506 logb 1E-999 -> -1.0E+3 Inexact Rounded -logbx1507 logb 1E-1111 -> -1.1E+3 Inexact Rounded -logbx1508 logb 1E-3333 -> -3.3E+3 Inexact Rounded -logbx1509 logb 1E-6666 -> -6.7E+3 Inexact Rounded -logbx1510 logb 1E+999999999 -> 1.0E+9 Inexact Rounded -logbx1511 logb 1E-999999999 -> -1.0E+9 Inexact Rounded -precision: 1 -logbx1517 logb 1E-1111 -> -1E+3 Inexact Rounded -logbx1518 logb 1E-3333 -> -3E+3 Inexact Rounded -logbx1519 logb 1E-6666 -> -7E+3 Inexact Rounded -precision: 8 -logbx1520 logb 1E+999999999 -> 1.0000000E+9 Inexact Rounded -logbx1521 logb 1E-999999999 -> -1.0000000E+9 Inexact Rounded -precision: 9 -logbx1523 logb 1E+999999999 -> 999999999 -logbx1524 logb 1E-999999999 -> -999999999 - --- special values -precision: 9 -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 - - |