| ------------------------------------------------------------------------ |
| -- ddScalebB.decTest -- scale a decDouble by powers of 10 -- |
| -- Copyright (c) IBM Corporation, 1981, 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 |
| |
| precision: 16 |
| maxExponent: 384 |
| minExponent: -383 |
| extended: 1 |
| clamp: 1 |
| rounding: half_even |
| |
| -- Max |rhs| is 2*(384+16) = 800 |
| |
| -- Sanity checks |
| ddscb001 scaleb 7.50 10 -> 7.50E+10 |
| ddscb002 scaleb 7.50 3 -> 7.50E+3 |
| ddscb003 scaleb 7.50 2 -> 750 |
| ddscb004 scaleb 7.50 1 -> 75.0 |
| ddscb005 scaleb 7.50 0 -> 7.50 |
| ddscb006 scaleb 7.50 -1 -> 0.750 |
| ddscb007 scaleb 7.50 -2 -> 0.0750 |
| ddscb008 scaleb 7.50 -10 -> 7.50E-10 |
| ddscb009 scaleb -7.50 3 -> -7.50E+3 |
| ddscb010 scaleb -7.50 2 -> -750 |
| ddscb011 scaleb -7.50 1 -> -75.0 |
| ddscb012 scaleb -7.50 0 -> -7.50 |
| ddscb013 scaleb -7.50 -1 -> -0.750 |
| |
| -- Infinities |
| ddscb014 scaleb Infinity 1 -> Infinity |
| ddscb015 scaleb -Infinity 2 -> -Infinity |
| ddscb016 scaleb Infinity -1 -> Infinity |
| ddscb017 scaleb -Infinity -2 -> -Infinity |
| |
| -- Next two are somewhat undefined in 754r; treat as non-integer |
| ddscb018 scaleb 10 Infinity -> NaN Invalid_operation |
| ddscb019 scaleb 10 -Infinity -> NaN Invalid_operation |
| |
| -- NaNs are undefined in 754r; assume usual processing |
| -- NaNs, 0 payload |
| ddscb021 scaleb NaN 1 -> NaN |
| ddscb022 scaleb -NaN -1 -> -NaN |
| ddscb023 scaleb sNaN 1 -> NaN Invalid_operation |
| ddscb024 scaleb -sNaN 1 -> -NaN Invalid_operation |
| ddscb025 scaleb 4 NaN -> NaN |
| ddscb026 scaleb -Inf -NaN -> -NaN |
| ddscb027 scaleb 4 sNaN -> NaN Invalid_operation |
| ddscb028 scaleb Inf -sNaN -> -NaN Invalid_operation |
| |
| -- non-integer RHS |
| ddscb030 scaleb 1.23 1 -> 12.3 |
| ddscb031 scaleb 1.23 1.00 -> NaN Invalid_operation |
| ddscb032 scaleb 1.23 1.1 -> NaN Invalid_operation |
| ddscb033 scaleb 1.23 1.01 -> NaN Invalid_operation |
| ddscb034 scaleb 1.23 0.01 -> NaN Invalid_operation |
| ddscb035 scaleb 1.23 0.11 -> NaN Invalid_operation |
| ddscb036 scaleb 1.23 0.999999999 -> NaN Invalid_operation |
| ddscb037 scaleb 1.23 -1 -> 0.123 |
| ddscb038 scaleb 1.23 -1.00 -> NaN Invalid_operation |
| ddscb039 scaleb 1.23 -1.1 -> NaN Invalid_operation |
| ddscb040 scaleb 1.23 -1.01 -> NaN Invalid_operation |
| ddscb041 scaleb 1.23 -0.01 -> NaN Invalid_operation |
| ddscb042 scaleb 1.23 -0.11 -> NaN Invalid_operation |
| ddscb043 scaleb 1.23 -0.999999999 -> NaN Invalid_operation |
| ddscb044 scaleb 1.23 0.1 -> NaN Invalid_operation |
| ddscb045 scaleb 1.23 1E+1 -> NaN Invalid_operation |
| ddscb046 scaleb 1.23 1.1234E+6 -> NaN Invalid_operation |
| ddscb047 scaleb 1.23 1.123E+4 -> NaN Invalid_operation |
| |
| -- out-of range RHS |
| ddscb120 scaleb 1.23 799 -> Infinity Overflow Inexact Rounded |
| ddscb121 scaleb 1.23 800 -> Infinity Overflow Inexact Rounded |
| ddscb122 scaleb 1.23 801 -> NaN Invalid_operation |
| ddscb123 scaleb 1.23 802 -> NaN Invalid_operation |
| ddscb124 scaleb 1.23 -799 -> 0E-398 Underflow Subnormal Inexact Rounded Clamped |
| ddscb125 scaleb 1.23 -800 -> 0E-398 Underflow Subnormal Inexact Rounded Clamped |
| ddscb126 scaleb 1.23 -801 -> NaN Invalid_operation |
| ddscb127 scaleb 1.23 -802 -> NaN Invalid_operation |
| |
| -- NaNs, non-0 payload |
| -- propagating NaNs |
| ddscb861 scaleb NaN01 -Inf -> NaN1 |
| ddscb862 scaleb -NaN02 -1000 -> -NaN2 |
| ddscb863 scaleb NaN03 1000 -> NaN3 |
| ddscb864 scaleb NaN04 Inf -> NaN4 |
| ddscb865 scaleb NaN05 NaN61 -> NaN5 |
| ddscb866 scaleb -Inf -NaN71 -> -NaN71 |
| ddscb867 scaleb -1000 NaN81 -> NaN81 |
| ddscb868 scaleb 1000 NaN91 -> NaN91 |
| ddscb869 scaleb Inf NaN101 -> NaN101 |
| ddscb871 scaleb sNaN011 -Inf -> NaN11 Invalid_operation |
| ddscb872 scaleb sNaN012 -1000 -> NaN12 Invalid_operation |
| ddscb873 scaleb -sNaN013 1000 -> -NaN13 Invalid_operation |
| ddscb874 scaleb sNaN014 NaN171 -> NaN14 Invalid_operation |
| ddscb875 scaleb sNaN015 sNaN181 -> NaN15 Invalid_operation |
| ddscb876 scaleb NaN016 sNaN191 -> NaN191 Invalid_operation |
| ddscb877 scaleb -Inf sNaN201 -> NaN201 Invalid_operation |
| ddscb878 scaleb -1000 sNaN211 -> NaN211 Invalid_operation |
| ddscb879 scaleb 1000 -sNaN221 -> -NaN221 Invalid_operation |
| ddscb880 scaleb Inf sNaN231 -> NaN231 Invalid_operation |
| ddscb881 scaleb NaN025 sNaN241 -> NaN241 Invalid_operation |
| |
| -- finites |
| ddscb051 scaleb 7 -2 -> 0.07 |
| ddscb052 scaleb -7 -2 -> -0.07 |
| ddscb053 scaleb 75 -2 -> 0.75 |
| ddscb054 scaleb -75 -2 -> -0.75 |
| ddscb055 scaleb 7.50 -2 -> 0.0750 |
| ddscb056 scaleb -7.50 -2 -> -0.0750 |
| ddscb057 scaleb 7.500 -2 -> 0.07500 |
| ddscb058 scaleb -7.500 -2 -> -0.07500 |
| ddscb061 scaleb 7 -1 -> 0.7 |
| ddscb062 scaleb -7 -1 -> -0.7 |
| ddscb063 scaleb 75 -1 -> 7.5 |
| ddscb064 scaleb -75 -1 -> -7.5 |
| ddscb065 scaleb 7.50 -1 -> 0.750 |
| ddscb066 scaleb -7.50 -1 -> -0.750 |
| ddscb067 scaleb 7.500 -1 -> 0.7500 |
| ddscb068 scaleb -7.500 -1 -> -0.7500 |
| ddscb071 scaleb 7 0 -> 7 |
| ddscb072 scaleb -7 0 -> -7 |
| ddscb073 scaleb 75 0 -> 75 |
| ddscb074 scaleb -75 0 -> -75 |
| ddscb075 scaleb 7.50 0 -> 7.50 |
| ddscb076 scaleb -7.50 0 -> -7.50 |
| ddscb077 scaleb 7.500 0 -> 7.500 |
| ddscb078 scaleb -7.500 0 -> -7.500 |
| ddscb081 scaleb 7 1 -> 7E+1 |
| ddscb082 scaleb -7 1 -> -7E+1 |
| ddscb083 scaleb 75 1 -> 7.5E+2 |
| ddscb084 scaleb -75 1 -> -7.5E+2 |
| ddscb085 scaleb 7.50 1 -> 75.0 |
| ddscb086 scaleb -7.50 1 -> -75.0 |
| ddscb087 scaleb 7.500 1 -> 75.00 |
| ddscb088 scaleb -7.500 1 -> -75.00 |
| ddscb091 scaleb 7 2 -> 7E+2 |
| ddscb092 scaleb -7 2 -> -7E+2 |
| ddscb093 scaleb 75 2 -> 7.5E+3 |
| ddscb094 scaleb -75 2 -> -7.5E+3 |
| ddscb095 scaleb 7.50 2 -> 750 |
| ddscb096 scaleb -7.50 2 -> -750 |
| ddscb097 scaleb 7.500 2 -> 750.0 |
| ddscb098 scaleb -7.500 2 -> -750.0 |
| |
| -- zeros |
| ddscb111 scaleb 0 1 -> 0E+1 |
| ddscb112 scaleb -0 2 -> -0E+2 |
| ddscb113 scaleb 0E+4 3 -> 0E+7 |
| ddscb114 scaleb -0E+4 4 -> -0E+8 |
| ddscb115 scaleb 0.0000 5 -> 0E+1 |
| ddscb116 scaleb -0.0000 6 -> -0E+2 |
| ddscb117 scaleb 0E-141 7 -> 0E-134 |
| ddscb118 scaleb -0E-141 8 -> -0E-133 |
| |
| -- Nmax, Nmin, Ntiny |
| ddscb132 scaleb 9.999999999999999E+384 +384 -> Infinity Overflow Inexact Rounded |
| ddscb133 scaleb 9.999999999999999E+384 +10 -> Infinity Overflow Inexact Rounded |
| ddscb134 scaleb 9.999999999999999E+384 +1 -> Infinity Overflow Inexact Rounded |
| ddscb135 scaleb 9.999999999999999E+384 0 -> 9.999999999999999E+384 |
| ddscb136 scaleb 9.999999999999999E+384 -1 -> 9.999999999999999E+383 |
| ddscb137 scaleb 1E-383 +1 -> 1E-382 |
| ddscb138 scaleb 1E-383 -0 -> 1E-383 |
| ddscb139 scaleb 1E-383 -1 -> 1E-384 Subnormal |
| ddscb140 scaleb 1.000000000000000E-383 +1 -> 1.000000000000000E-382 |
| ddscb141 scaleb 1.000000000000000E-383 0 -> 1.000000000000000E-383 |
| ddscb142 scaleb 1.000000000000000E-383 -1 -> 1.00000000000000E-384 Subnormal Rounded |
| ddscb143 scaleb 1E-398 +1 -> 1E-397 Subnormal |
| ddscb144 scaleb 1E-398 -0 -> 1E-398 Subnormal |
| ddscb145 scaleb 1E-398 -1 -> 0E-398 Underflow Subnormal Inexact Rounded Clamped |
| |
| ddscb150 scaleb -1E-398 +1 -> -1E-397 Subnormal |
| ddscb151 scaleb -1E-398 -0 -> -1E-398 Subnormal |
| ddscb152 scaleb -1E-398 -1 -> -0E-398 Underflow Subnormal Inexact Rounded Clamped |
| ddscb153 scaleb -1.000000000000000E-383 +1 -> -1.000000000000000E-382 |
| ddscb154 scaleb -1.000000000000000E-383 +0 -> -1.000000000000000E-383 |
| ddscb155 scaleb -1.000000000000000E-383 -1 -> -1.00000000000000E-384 Subnormal Rounded |
| ddscb156 scaleb -1E-383 +1 -> -1E-382 |
| ddscb157 scaleb -1E-383 -0 -> -1E-383 |
| ddscb158 scaleb -1E-383 -1 -> -1E-384 Subnormal |
| ddscb159 scaleb -9.999999999999999E+384 +1 -> -Infinity Overflow Inexact Rounded |
| ddscb160 scaleb -9.999999999999999E+384 +0 -> -9.999999999999999E+384 |
| ddscb161 scaleb -9.999999999999999E+384 -1 -> -9.999999999999999E+383 |
| ddscb162 scaleb -9E+384 +1 -> -Infinity Overflow Inexact Rounded |
| ddscb163 scaleb -1E+384 +1 -> -Infinity Overflow Inexact Rounded |
| |
| -- some Origami |
| -- (these check that overflow is being done correctly) |
| ddscb171 scaleb 1000E+365 +1 -> 1.000E+369 |
| ddscb172 scaleb 1000E+366 +1 -> 1.000E+370 |
| ddscb173 scaleb 1000E+367 +1 -> 1.000E+371 |
| ddscb174 scaleb 1000E+368 +1 -> 1.000E+372 |
| ddscb175 scaleb 1000E+369 +1 -> 1.0000E+373 Clamped |
| ddscb176 scaleb 1000E+370 +1 -> 1.00000E+374 Clamped |
| ddscb177 scaleb 1000E+371 +1 -> 1.000000E+375 Clamped |
| ddscb178 scaleb 1000E+372 +1 -> 1.0000000E+376 Clamped |
| ddscb179 scaleb 1000E+373 +1 -> 1.00000000E+377 Clamped |
| ddscb180 scaleb 1000E+374 +1 -> 1.000000000E+378 Clamped |
| ddscb181 scaleb 1000E+375 +1 -> 1.0000000000E+379 Clamped |
| ddscb182 scaleb 1000E+376 +1 -> 1.00000000000E+380 Clamped |
| ddscb183 scaleb 1000E+377 +1 -> 1.000000000000E+381 Clamped |
| ddscb184 scaleb 1000E+378 +1 -> 1.0000000000000E+382 Clamped |
| ddscb185 scaleb 1000E+379 +1 -> 1.00000000000000E+383 Clamped |
| ddscb186 scaleb 1000E+380 +1 -> 1.000000000000000E+384 Clamped |
| ddscb187 scaleb 1000E+381 +1 -> Infinity Overflow Inexact Rounded |
| |
| -- and a few more subnormal truncations |
| -- (these check that underflow is being done correctly) |
| ddscb201 scaleb 1.000000000000000E-383 0 -> 1.000000000000000E-383 |
| ddscb202 scaleb 1.000000000000000E-383 -1 -> 1.00000000000000E-384 Subnormal Rounded |
| ddscb203 scaleb 1.000000000000000E-383 -2 -> 1.0000000000000E-385 Subnormal Rounded |
| ddscb204 scaleb 1.000000000000000E-383 -3 -> 1.000000000000E-386 Subnormal Rounded |
| ddscb205 scaleb 1.000000000000000E-383 -4 -> 1.00000000000E-387 Subnormal Rounded |
| ddscb206 scaleb 1.000000000000000E-383 -5 -> 1.0000000000E-388 Subnormal Rounded |
| ddscb207 scaleb 1.000000000000000E-383 -6 -> 1.000000000E-389 Subnormal Rounded |
| ddscb208 scaleb 1.000000000000000E-383 -7 -> 1.00000000E-390 Subnormal Rounded |
| ddscb209 scaleb 1.000000000000000E-383 -8 -> 1.0000000E-391 Subnormal Rounded |
| ddscb210 scaleb 1.000000000000000E-383 -9 -> 1.000000E-392 Subnormal Rounded |
| ddscb211 scaleb 1.000000000000000E-383 -10 -> 1.00000E-393 Subnormal Rounded |
| ddscb212 scaleb 1.000000000000000E-383 -11 -> 1.0000E-394 Subnormal Rounded |
| ddscb213 scaleb 1.000000000000000E-383 -12 -> 1.000E-395 Subnormal Rounded |
| ddscb214 scaleb 1.000000000000000E-383 -13 -> 1.00E-396 Subnormal Rounded |
| ddscb215 scaleb 1.000000000000000E-383 -14 -> 1.0E-397 Subnormal Rounded |
| ddscb216 scaleb 1.000000000000000E-383 -15 -> 1E-398 Subnormal Rounded |
| ddscb217 scaleb 1.000000000000000E-383 -16 -> 0E-398 Underflow Subnormal Inexact Rounded Clamped |
| ddscb218 scaleb 1.000000000000000E-383 -17 -> 0E-398 Underflow Subnormal Inexact Rounded Clamped |
| |
