-------------------------------------------------------------------------\r
--- logb.decTest -- return integral adjusted exponent as per 754r --\r
--- Copyright (c) IBM Corporation, 2005, 2009. All rights reserved. --\r
-------------------------------------------------------------------------\r
--- Please see the document "General Decimal Arithmetic Testcases" --\r
--- at http://www2.hursley.ibm.com/decimal for the description of --\r
--- these testcases. --\r
--- --\r
--- These testcases are experimental ('beta' versions), and they --\r
--- may contain errors. They are offered on an as-is basis. In --\r
--- particular, achieving the same results as the tests here is not --\r
--- a guarantee that an implementation complies with any Standard --\r
--- or specification. The tests are not exhaustive. --\r
--- --\r
--- Please send comments, suggestions, and corrections to the author: --\r
--- Mike Cowlishaw, IBM Fellow --\r
--- IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK --\r
--- mfc@uk.ibm.com --\r
-------------------------------------------------------------------------\r
-version: 2.59\r
-\r
--- This emphasises the testing of notable cases, as they will often\r
--- have unusual paths (especially the 10**n results).\r
-\r
-extended: 1\r
-rounding: half_even\r
-maxExponent: 999\r
-minexponent: -999\r
-\r
--- basics & examples\r
-precision: 9\r
-logbx001 logb 0 -> -Infinity Division_by_zero\r
-logbx002 logb 1E-999 -> -999\r
-logbx003 logb 9E-999 -> -999\r
-logbx004 logb 0.001 -> -3\r
-logbx005 logb 0.03 -> -2\r
-logbx006 logb 1 -> 0\r
-logbx007 logb 2 -> 0\r
-logbx008 logb 2.5 -> 0\r
-logbx009 logb 2.50 -> 0\r
-logbx010 logb 10 -> 1\r
-logbx011 logb 70 -> 1\r
-logbx012 logb 100 -> 2\r
-logbx013 logb 250 -> 2\r
-logbx014 logb +Infinity -> Infinity\r
-\r
--- negatives are treated as positives\r
-logbx021 logb -0 -> -Infinity Division_by_zero\r
-logbx022 logb -1E-999 -> -999\r
-logbx023 logb -9E-999 -> -999\r
-logbx024 logb -0.001 -> -3\r
-logbx025 logb -1 -> 0\r
-logbx026 logb -2 -> 0\r
-logbx027 logb -10 -> 1\r
-logbx028 logb -70 -> 1\r
-logbx029 logb -100 -> 2\r
-logbx030 logb -100000000 -> 8\r
-logbx031 logb -Infinity -> Infinity\r
-\r
--- zeros\r
-logbx111 logb 0 -> -Infinity Division_by_zero\r
-logbx112 logb -0 -> -Infinity Division_by_zero\r
-logbx113 logb 0E+4 -> -Infinity Division_by_zero\r
-logbx114 logb -0E+4 -> -Infinity Division_by_zero\r
-logbx115 logb 0.0000 -> -Infinity Division_by_zero\r
-logbx116 logb -0.0000 -> -Infinity Division_by_zero\r
-logbx117 logb 0E-141 -> -Infinity Division_by_zero\r
-logbx118 logb -0E-141 -> -Infinity Division_by_zero\r
-\r
--- full coefficients, alternating bits\r
-logbx121 logb 268268268 -> 8\r
-logbx122 logb -268268268 -> 8\r
-logbx123 logb 134134134 -> 8\r
-logbx124 logb -134134134 -> 8\r
-\r
--- Nmax, Nmin, Ntiny\r
-logbx131 logb 9.99999999E+999 -> 999\r
-logbx132 logb 1E-999 -> -999\r
-logbx133 logb 1.00000000E-999 -> -999\r
-logbx134 logb 1E-1007 -> -1007\r
-\r
-logbx135 logb -1E-1007 -> -1007\r
-logbx136 logb -1.00000000E-999 -> -999\r
-logbx137 logb -1E-999 -> -999\r
-logbx138 logb -9.99999999E+999 -> 999\r
-\r
--- ones\r
-logbx0061 logb 1 -> 0\r
-logbx0062 logb 1.0 -> 0\r
-logbx0063 logb 1.000000000000000 -> 0\r
-logbx0064 logb 1.000000000000000000 -> 0\r
-\r
--- notable cases -- exact powers of 10\r
-logbx1100 logb 1 -> 0\r
-logbx1101 logb 10 -> 1\r
-logbx1102 logb 100 -> 2\r
-logbx1103 logb 1000 -> 3\r
-logbx1104 logb 10000 -> 4\r
-logbx1105 logb 100000 -> 5\r
-logbx1106 logb 1000000 -> 6\r
-logbx1107 logb 10000000 -> 7\r
-logbx1108 logb 100000000 -> 8\r
-logbx1109 logb 1000000000 -> 9\r
-logbx1110 logb 10000000000 -> 10\r
-logbx1111 logb 100000000000 -> 11\r
-logbx1112 logb 1000000000000 -> 12\r
-logbx1113 logb 0.00000000001 -> -11\r
-logbx1114 logb 0.0000000001 -> -10\r
-logbx1115 logb 0.000000001 -> -9\r
-logbx1116 logb 0.00000001 -> -8\r
-logbx1117 logb 0.0000001 -> -7\r
-logbx1118 logb 0.000001 -> -6\r
-logbx1119 logb 0.00001 -> -5\r
-logbx1120 logb 0.0001 -> -4\r
-logbx1121 logb 0.001 -> -3\r
-logbx1122 logb 0.01 -> -2\r
-logbx1123 logb 0.1 -> -1\r
-logbx1124 logb 1E-99 -> -99\r
-logbx1125 logb 1E-100 -> -100\r
-logbx1126 logb 1E-383 -> -383\r
-logbx1127 logb 1E-999 -> -999\r
-\r
--- suggestions from Ilan Nehama\r
-logbx1400 logb 10E-3 -> -2\r
-logbx1401 logb 10E-2 -> -1\r
-logbx1402 logb 100E-2 -> 0\r
-logbx1403 logb 1000E-2 -> 1\r
-logbx1404 logb 10000E-2 -> 2\r
-logbx1405 logb 10E-1 -> 0\r
-logbx1406 logb 100E-1 -> 1\r
-logbx1407 logb 1000E-1 -> 2\r
-logbx1408 logb 10000E-1 -> 3\r
-logbx1409 logb 10E0 -> 1\r
-logbx1410 logb 100E0 -> 2\r
-logbx1411 logb 1000E0 -> 3\r
-logbx1412 logb 10000E0 -> 4\r
-logbx1413 logb 10E1 -> 2\r
-logbx1414 logb 100E1 -> 3\r
-logbx1415 logb 1000E1 -> 4\r
-logbx1416 logb 10000E1 -> 5\r
-logbx1417 logb 10E2 -> 3\r
-logbx1418 logb 100E2 -> 4\r
-logbx1419 logb 1000E2 -> 5\r
-logbx1420 logb 10000E2 -> 6\r
-\r
--- inexacts\r
-precision: 2\r
-logbx1500 logb 10000E2 -> 6\r
-logbx1501 logb 1E+99 -> 99\r
-logbx1502 logb 1E-99 -> -99\r
-logbx1503 logb 1E+100 -> 1.0E+2 Rounded\r
-logbx1504 logb 1E+999 -> 1.0E+3 Inexact Rounded\r
-logbx1505 logb 1E-100 -> -1.0E+2 Rounded\r
-logbx1506 logb 1E-999 -> -1.0E+3 Inexact Rounded\r
-logbx1507 logb 1E-1111 -> -1.1E+3 Inexact Rounded\r
-logbx1508 logb 1E-3333 -> -3.3E+3 Inexact Rounded\r
-logbx1509 logb 1E-6666 -> -6.7E+3 Inexact Rounded\r
-logbx1510 logb 1E+999999999 -> 1.0E+9 Inexact Rounded\r
-logbx1511 logb 1E-999999999 -> -1.0E+9 Inexact Rounded\r
-precision: 1\r
-logbx1517 logb 1E-1111 -> -1E+3 Inexact Rounded\r
-logbx1518 logb 1E-3333 -> -3E+3 Inexact Rounded\r
-logbx1519 logb 1E-6666 -> -7E+3 Inexact Rounded\r
-precision: 8\r
-logbx1520 logb 1E+999999999 -> 1.0000000E+9 Inexact Rounded\r
-logbx1521 logb 1E-999999999 -> -1.0000000E+9 Inexact Rounded\r
-precision: 9\r
-logbx1523 logb 1E+999999999 -> 999999999\r
-logbx1524 logb 1E-999999999 -> -999999999\r
-\r
--- special values\r
-precision: 9\r
-logbx820 logb Infinity -> Infinity\r
-logbx821 logb -Infinity -> Infinity\r
-logbx822 logb 0 -> -Infinity Division_by_zero\r
-logbx823 logb NaN -> NaN\r
-logbx824 logb sNaN -> NaN Invalid_operation\r
--- propagating NaNs\r
-logbx825 logb sNaN123 -> NaN123 Invalid_operation\r
-logbx826 logb -sNaN321 -> -NaN321 Invalid_operation\r
-logbx827 logb NaN456 -> NaN456\r
-logbx828 logb -NaN654 -> -NaN654\r
-logbx829 logb NaN1 -> NaN1\r
-\r
--- Null test\r
-logbx900 logb # -> NaN Invalid_operation\r
-\r
-\r
+------------------------------------------------------------------------
+-- 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
+
+
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