17db96d56Sopenharmony_ci------------------------------------------------------------------------ 27db96d56Sopenharmony_ci-- dqSubtract.decTest -- decQuad subtraction -- 37db96d56Sopenharmony_ci-- Copyright (c) IBM Corporation, 1981, 2008. All rights reserved. -- 47db96d56Sopenharmony_ci------------------------------------------------------------------------ 57db96d56Sopenharmony_ci-- Please see the document "General Decimal Arithmetic Testcases" -- 67db96d56Sopenharmony_ci-- at http://www2.hursley.ibm.com/decimal for the description of -- 77db96d56Sopenharmony_ci-- these testcases. -- 87db96d56Sopenharmony_ci-- -- 97db96d56Sopenharmony_ci-- These testcases are experimental ('beta' versions), and they -- 107db96d56Sopenharmony_ci-- may contain errors. They are offered on an as-is basis. In -- 117db96d56Sopenharmony_ci-- particular, achieving the same results as the tests here is not -- 127db96d56Sopenharmony_ci-- a guarantee that an implementation complies with any Standard -- 137db96d56Sopenharmony_ci-- or specification. The tests are not exhaustive. -- 147db96d56Sopenharmony_ci-- -- 157db96d56Sopenharmony_ci-- Please send comments, suggestions, and corrections to the author: -- 167db96d56Sopenharmony_ci-- Mike Cowlishaw, IBM Fellow -- 177db96d56Sopenharmony_ci-- IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK -- 187db96d56Sopenharmony_ci-- mfc@uk.ibm.com -- 197db96d56Sopenharmony_ci------------------------------------------------------------------------ 207db96d56Sopenharmony_civersion: 2.59 217db96d56Sopenharmony_ci 227db96d56Sopenharmony_ci-- This set of tests are for decQuads only; all arguments are 237db96d56Sopenharmony_ci-- representable in a decQuad 247db96d56Sopenharmony_ciextended: 1 257db96d56Sopenharmony_ciclamp: 1 267db96d56Sopenharmony_ciprecision: 34 277db96d56Sopenharmony_cimaxExponent: 6144 287db96d56Sopenharmony_ciminExponent: -6143 297db96d56Sopenharmony_cirounding: half_even 307db96d56Sopenharmony_ci 317db96d56Sopenharmony_ci-- [first group are 'quick confidence check'] 327db96d56Sopenharmony_cidqsub001 subtract 0 0 -> '0' 337db96d56Sopenharmony_cidqsub002 subtract 1 1 -> '0' 347db96d56Sopenharmony_cidqsub003 subtract 1 2 -> '-1' 357db96d56Sopenharmony_cidqsub004 subtract 2 1 -> '1' 367db96d56Sopenharmony_cidqsub005 subtract 2 2 -> '0' 377db96d56Sopenharmony_cidqsub006 subtract 3 2 -> '1' 387db96d56Sopenharmony_cidqsub007 subtract 2 3 -> '-1' 397db96d56Sopenharmony_ci 407db96d56Sopenharmony_cidqsub011 subtract -0 0 -> '-0' 417db96d56Sopenharmony_cidqsub012 subtract -1 1 -> '-2' 427db96d56Sopenharmony_cidqsub013 subtract -1 2 -> '-3' 437db96d56Sopenharmony_cidqsub014 subtract -2 1 -> '-3' 447db96d56Sopenharmony_cidqsub015 subtract -2 2 -> '-4' 457db96d56Sopenharmony_cidqsub016 subtract -3 2 -> '-5' 467db96d56Sopenharmony_cidqsub017 subtract -2 3 -> '-5' 477db96d56Sopenharmony_ci 487db96d56Sopenharmony_cidqsub021 subtract 0 -0 -> '0' 497db96d56Sopenharmony_cidqsub022 subtract 1 -1 -> '2' 507db96d56Sopenharmony_cidqsub023 subtract 1 -2 -> '3' 517db96d56Sopenharmony_cidqsub024 subtract 2 -1 -> '3' 527db96d56Sopenharmony_cidqsub025 subtract 2 -2 -> '4' 537db96d56Sopenharmony_cidqsub026 subtract 3 -2 -> '5' 547db96d56Sopenharmony_cidqsub027 subtract 2 -3 -> '5' 557db96d56Sopenharmony_ci 567db96d56Sopenharmony_cidqsub030 subtract 11 1 -> 10 577db96d56Sopenharmony_cidqsub031 subtract 10 1 -> 9 587db96d56Sopenharmony_cidqsub032 subtract 9 1 -> 8 597db96d56Sopenharmony_cidqsub033 subtract 1 1 -> 0 607db96d56Sopenharmony_cidqsub034 subtract 0 1 -> -1 617db96d56Sopenharmony_cidqsub035 subtract -1 1 -> -2 627db96d56Sopenharmony_cidqsub036 subtract -9 1 -> -10 637db96d56Sopenharmony_cidqsub037 subtract -10 1 -> -11 647db96d56Sopenharmony_cidqsub038 subtract -11 1 -> -12 657db96d56Sopenharmony_ci 667db96d56Sopenharmony_cidqsub040 subtract '5.75' '3.3' -> '2.45' 677db96d56Sopenharmony_cidqsub041 subtract '5' '-3' -> '8' 687db96d56Sopenharmony_cidqsub042 subtract '-5' '-3' -> '-2' 697db96d56Sopenharmony_cidqsub043 subtract '-7' '2.5' -> '-9.5' 707db96d56Sopenharmony_cidqsub044 subtract '0.7' '0.3' -> '0.4' 717db96d56Sopenharmony_cidqsub045 subtract '1.3' '0.3' -> '1.0' 727db96d56Sopenharmony_cidqsub046 subtract '1.25' '1.25' -> '0.00' 737db96d56Sopenharmony_ci 747db96d56Sopenharmony_cidqsub050 subtract '1.23456789' '1.00000000' -> '0.23456789' 757db96d56Sopenharmony_cidqsub051 subtract '1.23456789' '1.00000089' -> '0.23456700' 767db96d56Sopenharmony_ci 777db96d56Sopenharmony_cidqsub060 subtract '70' '10000e+34' -> '-1.000000000000000000000000000000000E+38' Inexact Rounded 787db96d56Sopenharmony_cidqsub061 subtract '700' '10000e+34' -> '-1.000000000000000000000000000000000E+38' Inexact Rounded 797db96d56Sopenharmony_cidqsub062 subtract '7000' '10000e+34' -> '-9.999999999999999999999999999999999E+37' Inexact Rounded 807db96d56Sopenharmony_cidqsub063 subtract '70000' '10000e+34' -> '-9.999999999999999999999999999999993E+37' Rounded 817db96d56Sopenharmony_cidqsub064 subtract '700000' '10000e+34' -> '-9.999999999999999999999999999999930E+37' Rounded 827db96d56Sopenharmony_ci -- symmetry: 837db96d56Sopenharmony_cidqsub065 subtract '10000e+34' '70' -> '1.000000000000000000000000000000000E+38' Inexact Rounded 847db96d56Sopenharmony_cidqsub066 subtract '10000e+34' '700' -> '1.000000000000000000000000000000000E+38' Inexact Rounded 857db96d56Sopenharmony_cidqsub067 subtract '10000e+34' '7000' -> '9.999999999999999999999999999999999E+37' Inexact Rounded 867db96d56Sopenharmony_cidqsub068 subtract '10000e+34' '70000' -> '9.999999999999999999999999999999993E+37' Rounded 877db96d56Sopenharmony_cidqsub069 subtract '10000e+34' '700000' -> '9.999999999999999999999999999999930E+37' Rounded 887db96d56Sopenharmony_ci 897db96d56Sopenharmony_ci -- some of the next group are really constructor tests 907db96d56Sopenharmony_cidqsub090 subtract '00.0' '0.0' -> '0.0' 917db96d56Sopenharmony_cidqsub091 subtract '00.0' '0.00' -> '0.00' 927db96d56Sopenharmony_cidqsub092 subtract '0.00' '00.0' -> '0.00' 937db96d56Sopenharmony_cidqsub093 subtract '00.0' '0.00' -> '0.00' 947db96d56Sopenharmony_cidqsub094 subtract '0.00' '00.0' -> '0.00' 957db96d56Sopenharmony_cidqsub095 subtract '3' '.3' -> '2.7' 967db96d56Sopenharmony_cidqsub096 subtract '3.' '.3' -> '2.7' 977db96d56Sopenharmony_cidqsub097 subtract '3.0' '.3' -> '2.7' 987db96d56Sopenharmony_cidqsub098 subtract '3.00' '.3' -> '2.70' 997db96d56Sopenharmony_cidqsub099 subtract '3' '3' -> '0' 1007db96d56Sopenharmony_cidqsub100 subtract '3' '+3' -> '0' 1017db96d56Sopenharmony_cidqsub101 subtract '3' '-3' -> '6' 1027db96d56Sopenharmony_cidqsub102 subtract '3' '0.3' -> '2.7' 1037db96d56Sopenharmony_cidqsub103 subtract '3.' '0.3' -> '2.7' 1047db96d56Sopenharmony_cidqsub104 subtract '3.0' '0.3' -> '2.7' 1057db96d56Sopenharmony_cidqsub105 subtract '3.00' '0.3' -> '2.70' 1067db96d56Sopenharmony_cidqsub106 subtract '3' '3.0' -> '0.0' 1077db96d56Sopenharmony_cidqsub107 subtract '3' '+3.0' -> '0.0' 1087db96d56Sopenharmony_cidqsub108 subtract '3' '-3.0' -> '6.0' 1097db96d56Sopenharmony_ci 1107db96d56Sopenharmony_ci-- the above all from add; massaged and extended. Now some new ones... 1117db96d56Sopenharmony_ci-- [particularly important for comparisons] 1127db96d56Sopenharmony_ci-- NB: -xE-8 below were non-exponents pre-ANSI X3-274, and -1E-7 or 0E-7 1137db96d56Sopenharmony_ci-- with input rounding. 1147db96d56Sopenharmony_cidqsub120 subtract '10.23456784' '10.23456789' -> '-5E-8' 1157db96d56Sopenharmony_cidqsub121 subtract '10.23456785' '10.23456789' -> '-4E-8' 1167db96d56Sopenharmony_cidqsub122 subtract '10.23456786' '10.23456789' -> '-3E-8' 1177db96d56Sopenharmony_cidqsub123 subtract '10.23456787' '10.23456789' -> '-2E-8' 1187db96d56Sopenharmony_cidqsub124 subtract '10.23456788' '10.23456789' -> '-1E-8' 1197db96d56Sopenharmony_cidqsub125 subtract '10.23456789' '10.23456789' -> '0E-8' 1207db96d56Sopenharmony_cidqsub126 subtract '10.23456790' '10.23456789' -> '1E-8' 1217db96d56Sopenharmony_cidqsub127 subtract '10.23456791' '10.23456789' -> '2E-8' 1227db96d56Sopenharmony_cidqsub128 subtract '10.23456792' '10.23456789' -> '3E-8' 1237db96d56Sopenharmony_cidqsub129 subtract '10.23456793' '10.23456789' -> '4E-8' 1247db96d56Sopenharmony_cidqsub130 subtract '10.23456794' '10.23456789' -> '5E-8' 1257db96d56Sopenharmony_cidqsub131 subtract '10.23456781' '10.23456786' -> '-5E-8' 1267db96d56Sopenharmony_cidqsub132 subtract '10.23456782' '10.23456786' -> '-4E-8' 1277db96d56Sopenharmony_cidqsub133 subtract '10.23456783' '10.23456786' -> '-3E-8' 1287db96d56Sopenharmony_cidqsub134 subtract '10.23456784' '10.23456786' -> '-2E-8' 1297db96d56Sopenharmony_cidqsub135 subtract '10.23456785' '10.23456786' -> '-1E-8' 1307db96d56Sopenharmony_cidqsub136 subtract '10.23456786' '10.23456786' -> '0E-8' 1317db96d56Sopenharmony_cidqsub137 subtract '10.23456787' '10.23456786' -> '1E-8' 1327db96d56Sopenharmony_cidqsub138 subtract '10.23456788' '10.23456786' -> '2E-8' 1337db96d56Sopenharmony_cidqsub139 subtract '10.23456789' '10.23456786' -> '3E-8' 1347db96d56Sopenharmony_cidqsub140 subtract '10.23456790' '10.23456786' -> '4E-8' 1357db96d56Sopenharmony_cidqsub141 subtract '10.23456791' '10.23456786' -> '5E-8' 1367db96d56Sopenharmony_cidqsub142 subtract '1' '0.999999999' -> '1E-9' 1377db96d56Sopenharmony_cidqsub143 subtract '0.999999999' '1' -> '-1E-9' 1387db96d56Sopenharmony_cidqsub144 subtract '-10.23456780' '-10.23456786' -> '6E-8' 1397db96d56Sopenharmony_cidqsub145 subtract '-10.23456790' '-10.23456786' -> '-4E-8' 1407db96d56Sopenharmony_cidqsub146 subtract '-10.23456791' '-10.23456786' -> '-5E-8' 1417db96d56Sopenharmony_ci 1427db96d56Sopenharmony_ci-- additional scaled arithmetic tests [0.97 problem] 1437db96d56Sopenharmony_cidqsub160 subtract '0' '.1' -> '-0.1' 1447db96d56Sopenharmony_cidqsub161 subtract '00' '.97983' -> '-0.97983' 1457db96d56Sopenharmony_cidqsub162 subtract '0' '.9' -> '-0.9' 1467db96d56Sopenharmony_cidqsub163 subtract '0' '0.102' -> '-0.102' 1477db96d56Sopenharmony_cidqsub164 subtract '0' '.4' -> '-0.4' 1487db96d56Sopenharmony_cidqsub165 subtract '0' '.307' -> '-0.307' 1497db96d56Sopenharmony_cidqsub166 subtract '0' '.43822' -> '-0.43822' 1507db96d56Sopenharmony_cidqsub167 subtract '0' '.911' -> '-0.911' 1517db96d56Sopenharmony_cidqsub168 subtract '.0' '.02' -> '-0.02' 1527db96d56Sopenharmony_cidqsub169 subtract '00' '.392' -> '-0.392' 1537db96d56Sopenharmony_cidqsub170 subtract '0' '.26' -> '-0.26' 1547db96d56Sopenharmony_cidqsub171 subtract '0' '0.51' -> '-0.51' 1557db96d56Sopenharmony_cidqsub172 subtract '0' '.2234' -> '-0.2234' 1567db96d56Sopenharmony_cidqsub173 subtract '0' '.2' -> '-0.2' 1577db96d56Sopenharmony_cidqsub174 subtract '.0' '.0008' -> '-0.0008' 1587db96d56Sopenharmony_ci-- 0. on left 1597db96d56Sopenharmony_cidqsub180 subtract '0.0' '-.1' -> '0.1' 1607db96d56Sopenharmony_cidqsub181 subtract '0.00' '-.97983' -> '0.97983' 1617db96d56Sopenharmony_cidqsub182 subtract '0.0' '-.9' -> '0.9' 1627db96d56Sopenharmony_cidqsub183 subtract '0.0' '-0.102' -> '0.102' 1637db96d56Sopenharmony_cidqsub184 subtract '0.0' '-.4' -> '0.4' 1647db96d56Sopenharmony_cidqsub185 subtract '0.0' '-.307' -> '0.307' 1657db96d56Sopenharmony_cidqsub186 subtract '0.0' '-.43822' -> '0.43822' 1667db96d56Sopenharmony_cidqsub187 subtract '0.0' '-.911' -> '0.911' 1677db96d56Sopenharmony_cidqsub188 subtract '0.0' '-.02' -> '0.02' 1687db96d56Sopenharmony_cidqsub189 subtract '0.00' '-.392' -> '0.392' 1697db96d56Sopenharmony_cidqsub190 subtract '0.0' '-.26' -> '0.26' 1707db96d56Sopenharmony_cidqsub191 subtract '0.0' '-0.51' -> '0.51' 1717db96d56Sopenharmony_cidqsub192 subtract '0.0' '-.2234' -> '0.2234' 1727db96d56Sopenharmony_cidqsub193 subtract '0.0' '-.2' -> '0.2' 1737db96d56Sopenharmony_cidqsub194 subtract '0.0' '-.0008' -> '0.0008' 1747db96d56Sopenharmony_ci-- negatives of same 1757db96d56Sopenharmony_cidqsub200 subtract '0' '-.1' -> '0.1' 1767db96d56Sopenharmony_cidqsub201 subtract '00' '-.97983' -> '0.97983' 1777db96d56Sopenharmony_cidqsub202 subtract '0' '-.9' -> '0.9' 1787db96d56Sopenharmony_cidqsub203 subtract '0' '-0.102' -> '0.102' 1797db96d56Sopenharmony_cidqsub204 subtract '0' '-.4' -> '0.4' 1807db96d56Sopenharmony_cidqsub205 subtract '0' '-.307' -> '0.307' 1817db96d56Sopenharmony_cidqsub206 subtract '0' '-.43822' -> '0.43822' 1827db96d56Sopenharmony_cidqsub207 subtract '0' '-.911' -> '0.911' 1837db96d56Sopenharmony_cidqsub208 subtract '.0' '-.02' -> '0.02' 1847db96d56Sopenharmony_cidqsub209 subtract '00' '-.392' -> '0.392' 1857db96d56Sopenharmony_cidqsub210 subtract '0' '-.26' -> '0.26' 1867db96d56Sopenharmony_cidqsub211 subtract '0' '-0.51' -> '0.51' 1877db96d56Sopenharmony_cidqsub212 subtract '0' '-.2234' -> '0.2234' 1887db96d56Sopenharmony_cidqsub213 subtract '0' '-.2' -> '0.2' 1897db96d56Sopenharmony_cidqsub214 subtract '.0' '-.0008' -> '0.0008' 1907db96d56Sopenharmony_ci 1917db96d56Sopenharmony_ci-- more fixed, LHS swaps [really the same as testcases under add] 1927db96d56Sopenharmony_cidqsub220 subtract '-56267E-12' 0 -> '-5.6267E-8' 1937db96d56Sopenharmony_cidqsub221 subtract '-56267E-11' 0 -> '-5.6267E-7' 1947db96d56Sopenharmony_cidqsub222 subtract '-56267E-10' 0 -> '-0.0000056267' 1957db96d56Sopenharmony_cidqsub223 subtract '-56267E-9' 0 -> '-0.000056267' 1967db96d56Sopenharmony_cidqsub224 subtract '-56267E-8' 0 -> '-0.00056267' 1977db96d56Sopenharmony_cidqsub225 subtract '-56267E-7' 0 -> '-0.0056267' 1987db96d56Sopenharmony_cidqsub226 subtract '-56267E-6' 0 -> '-0.056267' 1997db96d56Sopenharmony_cidqsub227 subtract '-56267E-5' 0 -> '-0.56267' 2007db96d56Sopenharmony_cidqsub228 subtract '-56267E-2' 0 -> '-562.67' 2017db96d56Sopenharmony_cidqsub229 subtract '-56267E-1' 0 -> '-5626.7' 2027db96d56Sopenharmony_cidqsub230 subtract '-56267E-0' 0 -> '-56267' 2037db96d56Sopenharmony_ci-- symmetry ... 2047db96d56Sopenharmony_cidqsub240 subtract 0 '-56267E-12' -> '5.6267E-8' 2057db96d56Sopenharmony_cidqsub241 subtract 0 '-56267E-11' -> '5.6267E-7' 2067db96d56Sopenharmony_cidqsub242 subtract 0 '-56267E-10' -> '0.0000056267' 2077db96d56Sopenharmony_cidqsub243 subtract 0 '-56267E-9' -> '0.000056267' 2087db96d56Sopenharmony_cidqsub244 subtract 0 '-56267E-8' -> '0.00056267' 2097db96d56Sopenharmony_cidqsub245 subtract 0 '-56267E-7' -> '0.0056267' 2107db96d56Sopenharmony_cidqsub246 subtract 0 '-56267E-6' -> '0.056267' 2117db96d56Sopenharmony_cidqsub247 subtract 0 '-56267E-5' -> '0.56267' 2127db96d56Sopenharmony_cidqsub248 subtract 0 '-56267E-2' -> '562.67' 2137db96d56Sopenharmony_cidqsub249 subtract 0 '-56267E-1' -> '5626.7' 2147db96d56Sopenharmony_cidqsub250 subtract 0 '-56267E-0' -> '56267' 2157db96d56Sopenharmony_ci 2167db96d56Sopenharmony_ci-- now some more from the 'new' add 2177db96d56Sopenharmony_cidqsub301 subtract '1.23456789' '1.00000000' -> '0.23456789' 2187db96d56Sopenharmony_cidqsub302 subtract '1.23456789' '1.00000011' -> '0.23456778' 2197db96d56Sopenharmony_ci 2207db96d56Sopenharmony_ci-- some carrying effects 2217db96d56Sopenharmony_cidqsub321 subtract '0.9998' '0.0000' -> '0.9998' 2227db96d56Sopenharmony_cidqsub322 subtract '0.9998' '0.0001' -> '0.9997' 2237db96d56Sopenharmony_cidqsub323 subtract '0.9998' '0.0002' -> '0.9996' 2247db96d56Sopenharmony_cidqsub324 subtract '0.9998' '0.0003' -> '0.9995' 2257db96d56Sopenharmony_cidqsub325 subtract '0.9998' '-0.0000' -> '0.9998' 2267db96d56Sopenharmony_cidqsub326 subtract '0.9998' '-0.0001' -> '0.9999' 2277db96d56Sopenharmony_cidqsub327 subtract '0.9998' '-0.0002' -> '1.0000' 2287db96d56Sopenharmony_cidqsub328 subtract '0.9998' '-0.0003' -> '1.0001' 2297db96d56Sopenharmony_ci 2307db96d56Sopenharmony_ci-- internal boundaries 2317db96d56Sopenharmony_cidqsub346 subtract '10000e+9' '7' -> '9999999999993' 2327db96d56Sopenharmony_cidqsub347 subtract '10000e+9' '70' -> '9999999999930' 2337db96d56Sopenharmony_cidqsub348 subtract '10000e+9' '700' -> '9999999999300' 2347db96d56Sopenharmony_cidqsub349 subtract '10000e+9' '7000' -> '9999999993000' 2357db96d56Sopenharmony_cidqsub350 subtract '10000e+9' '70000' -> '9999999930000' 2367db96d56Sopenharmony_cidqsub351 subtract '10000e+9' '700000' -> '9999999300000' 2377db96d56Sopenharmony_cidqsub352 subtract '7' '10000e+9' -> '-9999999999993' 2387db96d56Sopenharmony_cidqsub353 subtract '70' '10000e+9' -> '-9999999999930' 2397db96d56Sopenharmony_cidqsub354 subtract '700' '10000e+9' -> '-9999999999300' 2407db96d56Sopenharmony_cidqsub355 subtract '7000' '10000e+9' -> '-9999999993000' 2417db96d56Sopenharmony_cidqsub356 subtract '70000' '10000e+9' -> '-9999999930000' 2427db96d56Sopenharmony_cidqsub357 subtract '700000' '10000e+9' -> '-9999999300000' 2437db96d56Sopenharmony_ci 2447db96d56Sopenharmony_ci-- zero preservation 2457db96d56Sopenharmony_cidqsub361 subtract 1 '0.0001' -> '0.9999' 2467db96d56Sopenharmony_cidqsub362 subtract 1 '0.00001' -> '0.99999' 2477db96d56Sopenharmony_cidqsub363 subtract 1 '0.000001' -> '0.999999' 2487db96d56Sopenharmony_cidqsub364 subtract 1 '0.0000000000000000000000000000000001' -> '0.9999999999999999999999999999999999' 2497db96d56Sopenharmony_cidqsub365 subtract 1 '0.00000000000000000000000000000000001' -> '1.000000000000000000000000000000000' Inexact Rounded 2507db96d56Sopenharmony_cidqsub366 subtract 1 '0.000000000000000000000000000000000001' -> '1.000000000000000000000000000000000' Inexact Rounded 2517db96d56Sopenharmony_ci 2527db96d56Sopenharmony_ci-- some funny zeros [in case of bad signum] 2537db96d56Sopenharmony_cidqsub370 subtract 1 0 -> 1 2547db96d56Sopenharmony_cidqsub371 subtract 1 0. -> 1 2557db96d56Sopenharmony_cidqsub372 subtract 1 .0 -> 1.0 2567db96d56Sopenharmony_cidqsub373 subtract 1 0.0 -> 1.0 2577db96d56Sopenharmony_cidqsub374 subtract 0 1 -> -1 2587db96d56Sopenharmony_cidqsub375 subtract 0. 1 -> -1 2597db96d56Sopenharmony_cidqsub376 subtract .0 1 -> -1.0 2607db96d56Sopenharmony_cidqsub377 subtract 0.0 1 -> -1.0 2617db96d56Sopenharmony_ci 2627db96d56Sopenharmony_ci-- leading 0 digit before round 2637db96d56Sopenharmony_cidqsub910 subtract -103519362 -51897955.3 -> -51621406.7 2647db96d56Sopenharmony_cidqsub911 subtract 159579.444 89827.5229 -> 69751.9211 2657db96d56Sopenharmony_ci 2667db96d56Sopenharmony_cidqsub920 subtract 333.0000000000000000000000000123456 33.00000000000000000000000001234566 -> 299.9999999999999999999999999999999 Inexact Rounded 2677db96d56Sopenharmony_cidqsub921 subtract 333.0000000000000000000000000123456 33.00000000000000000000000001234565 -> 300.0000000000000000000000000000000 Inexact Rounded 2687db96d56Sopenharmony_cidqsub922 subtract 133.0000000000000000000000000123456 33.00000000000000000000000001234565 -> 99.99999999999999999999999999999995 2697db96d56Sopenharmony_cidqsub923 subtract 133.0000000000000000000000000123456 33.00000000000000000000000001234564 -> 99.99999999999999999999999999999996 2707db96d56Sopenharmony_cidqsub924 subtract 133.0000000000000000000000000123456 33.00000000000000000000000001234540 -> 100.0000000000000000000000000000002 Rounded 2717db96d56Sopenharmony_cidqsub925 subtract 133.0000000000000000000000000123456 43.00000000000000000000000001234560 -> 90.00000000000000000000000000000000 2727db96d56Sopenharmony_cidqsub926 subtract 133.0000000000000000000000000123456 43.00000000000000000000000001234561 -> 89.99999999999999999999999999999999 2737db96d56Sopenharmony_cidqsub927 subtract 133.0000000000000000000000000123456 43.00000000000000000000000001234566 -> 89.99999999999999999999999999999994 2747db96d56Sopenharmony_cidqsub928 subtract 101.0000000000000000000000000123456 91.00000000000000000000000001234566 -> 9.99999999999999999999999999999994 2757db96d56Sopenharmony_cidqsub929 subtract 101.0000000000000000000000000123456 99.00000000000000000000000001234566 -> 1.99999999999999999999999999999994 2767db96d56Sopenharmony_ci 2777db96d56Sopenharmony_ci-- more LHS swaps [were fixed] 2787db96d56Sopenharmony_cidqsub390 subtract '-56267E-10' 0 -> '-0.0000056267' 2797db96d56Sopenharmony_cidqsub391 subtract '-56267E-6' 0 -> '-0.056267' 2807db96d56Sopenharmony_cidqsub392 subtract '-56267E-5' 0 -> '-0.56267' 2817db96d56Sopenharmony_cidqsub393 subtract '-56267E-4' 0 -> '-5.6267' 2827db96d56Sopenharmony_cidqsub394 subtract '-56267E-3' 0 -> '-56.267' 2837db96d56Sopenharmony_cidqsub395 subtract '-56267E-2' 0 -> '-562.67' 2847db96d56Sopenharmony_cidqsub396 subtract '-56267E-1' 0 -> '-5626.7' 2857db96d56Sopenharmony_cidqsub397 subtract '-56267E-0' 0 -> '-56267' 2867db96d56Sopenharmony_cidqsub398 subtract '-5E-10' 0 -> '-5E-10' 2877db96d56Sopenharmony_cidqsub399 subtract '-5E-7' 0 -> '-5E-7' 2887db96d56Sopenharmony_cidqsub400 subtract '-5E-6' 0 -> '-0.000005' 2897db96d56Sopenharmony_cidqsub401 subtract '-5E-5' 0 -> '-0.00005' 2907db96d56Sopenharmony_cidqsub402 subtract '-5E-4' 0 -> '-0.0005' 2917db96d56Sopenharmony_cidqsub403 subtract '-5E-1' 0 -> '-0.5' 2927db96d56Sopenharmony_cidqsub404 subtract '-5E0' 0 -> '-5' 2937db96d56Sopenharmony_cidqsub405 subtract '-5E1' 0 -> '-50' 2947db96d56Sopenharmony_cidqsub406 subtract '-5E5' 0 -> '-500000' 2957db96d56Sopenharmony_cidqsub407 subtract '-5E33' 0 -> '-5000000000000000000000000000000000' 2967db96d56Sopenharmony_cidqsub408 subtract '-5E34' 0 -> '-5.000000000000000000000000000000000E+34' Rounded 2977db96d56Sopenharmony_cidqsub409 subtract '-5E35' 0 -> '-5.000000000000000000000000000000000E+35' Rounded 2987db96d56Sopenharmony_cidqsub410 subtract '-5E36' 0 -> '-5.000000000000000000000000000000000E+36' Rounded 2997db96d56Sopenharmony_cidqsub411 subtract '-5E100' 0 -> '-5.000000000000000000000000000000000E+100' Rounded 3007db96d56Sopenharmony_ci 3017db96d56Sopenharmony_ci-- more RHS swaps [were fixed] 3027db96d56Sopenharmony_cidqsub420 subtract 0 '-56267E-10' -> '0.0000056267' 3037db96d56Sopenharmony_cidqsub421 subtract 0 '-56267E-6' -> '0.056267' 3047db96d56Sopenharmony_cidqsub422 subtract 0 '-56267E-5' -> '0.56267' 3057db96d56Sopenharmony_cidqsub423 subtract 0 '-56267E-4' -> '5.6267' 3067db96d56Sopenharmony_cidqsub424 subtract 0 '-56267E-3' -> '56.267' 3077db96d56Sopenharmony_cidqsub425 subtract 0 '-56267E-2' -> '562.67' 3087db96d56Sopenharmony_cidqsub426 subtract 0 '-56267E-1' -> '5626.7' 3097db96d56Sopenharmony_cidqsub427 subtract 0 '-56267E-0' -> '56267' 3107db96d56Sopenharmony_cidqsub428 subtract 0 '-5E-10' -> '5E-10' 3117db96d56Sopenharmony_cidqsub429 subtract 0 '-5E-7' -> '5E-7' 3127db96d56Sopenharmony_cidqsub430 subtract 0 '-5E-6' -> '0.000005' 3137db96d56Sopenharmony_cidqsub431 subtract 0 '-5E-5' -> '0.00005' 3147db96d56Sopenharmony_cidqsub432 subtract 0 '-5E-4' -> '0.0005' 3157db96d56Sopenharmony_cidqsub433 subtract 0 '-5E-1' -> '0.5' 3167db96d56Sopenharmony_cidqsub434 subtract 0 '-5E0' -> '5' 3177db96d56Sopenharmony_cidqsub435 subtract 0 '-5E1' -> '50' 3187db96d56Sopenharmony_cidqsub436 subtract 0 '-5E5' -> '500000' 3197db96d56Sopenharmony_cidqsub437 subtract 0 '-5E33' -> '5000000000000000000000000000000000' 3207db96d56Sopenharmony_cidqsub438 subtract 0 '-5E34' -> '5.000000000000000000000000000000000E+34' Rounded 3217db96d56Sopenharmony_cidqsub439 subtract 0 '-5E35' -> '5.000000000000000000000000000000000E+35' Rounded 3227db96d56Sopenharmony_cidqsub440 subtract 0 '-5E36' -> '5.000000000000000000000000000000000E+36' Rounded 3237db96d56Sopenharmony_cidqsub441 subtract 0 '-5E100' -> '5.000000000000000000000000000000000E+100' Rounded 3247db96d56Sopenharmony_ci 3257db96d56Sopenharmony_ci 3267db96d56Sopenharmony_ci-- try borderline precision, with carries, etc. 3277db96d56Sopenharmony_cidqsub461 subtract '1E+16' '1' -> '9999999999999999' 3287db96d56Sopenharmony_cidqsub462 subtract '1E+12' '-1.111' -> '1000000000001.111' 3297db96d56Sopenharmony_cidqsub463 subtract '1.111' '-1E+12' -> '1000000000001.111' 3307db96d56Sopenharmony_cidqsub464 subtract '-1' '-1E+16' -> '9999999999999999' 3317db96d56Sopenharmony_cidqsub465 subtract '7E+15' '1' -> '6999999999999999' 3327db96d56Sopenharmony_cidqsub466 subtract '7E+12' '-1.111' -> '7000000000001.111' 3337db96d56Sopenharmony_cidqsub467 subtract '1.111' '-7E+12' -> '7000000000001.111' 3347db96d56Sopenharmony_cidqsub468 subtract '-1' '-7E+15' -> '6999999999999999' 3357db96d56Sopenharmony_ci 3367db96d56Sopenharmony_ci-- 1234567890123456 1234567890123456 1 23456789012345 3377db96d56Sopenharmony_cidqsub470 subtract '0.4444444444444444444444444444444444' '-0.5555555555555555555555555555555563' -> '1.000000000000000000000000000000001' Inexact Rounded 3387db96d56Sopenharmony_cidqsub471 subtract '0.4444444444444444444444444444444444' '-0.5555555555555555555555555555555562' -> '1.000000000000000000000000000000001' Inexact Rounded 3397db96d56Sopenharmony_cidqsub472 subtract '0.4444444444444444444444444444444444' '-0.5555555555555555555555555555555561' -> '1.000000000000000000000000000000000' Inexact Rounded 3407db96d56Sopenharmony_cidqsub473 subtract '0.4444444444444444444444444444444444' '-0.5555555555555555555555555555555560' -> '1.000000000000000000000000000000000' Inexact Rounded 3417db96d56Sopenharmony_cidqsub474 subtract '0.4444444444444444444444444444444444' '-0.5555555555555555555555555555555559' -> '1.000000000000000000000000000000000' Inexact Rounded 3427db96d56Sopenharmony_cidqsub475 subtract '0.4444444444444444444444444444444444' '-0.5555555555555555555555555555555558' -> '1.000000000000000000000000000000000' Inexact Rounded 3437db96d56Sopenharmony_cidqsub476 subtract '0.4444444444444444444444444444444444' '-0.5555555555555555555555555555555557' -> '1.000000000000000000000000000000000' Inexact Rounded 3447db96d56Sopenharmony_cidqsub477 subtract '0.4444444444444444444444444444444444' '-0.5555555555555555555555555555555556' -> '1.000000000000000000000000000000000' Rounded 3457db96d56Sopenharmony_cidqsub478 subtract '0.4444444444444444444444444444444444' '-0.5555555555555555555555555555555555' -> '0.9999999999999999999999999999999999' 3467db96d56Sopenharmony_cidqsub479 subtract '0.4444444444444444444444444444444444' '-0.5555555555555555555555555555555554' -> '0.9999999999999999999999999999999998' 3477db96d56Sopenharmony_cidqsub480 subtract '0.4444444444444444444444444444444444' '-0.5555555555555555555555555555555553' -> '0.9999999999999999999999999999999997' 3487db96d56Sopenharmony_cidqsub481 subtract '0.4444444444444444444444444444444444' '-0.5555555555555555555555555555555552' -> '0.9999999999999999999999999999999996' 3497db96d56Sopenharmony_cidqsub482 subtract '0.4444444444444444444444444444444444' '-0.5555555555555555555555555555555551' -> '0.9999999999999999999999999999999995' 3507db96d56Sopenharmony_cidqsub483 subtract '0.4444444444444444444444444444444444' '-0.5555555555555555555555555555555550' -> '0.9999999999999999999999999999999994' 3517db96d56Sopenharmony_ci 3527db96d56Sopenharmony_ci-- and some more, including residue effects and different roundings 3537db96d56Sopenharmony_cirounding: half_up 3547db96d56Sopenharmony_cidqsub500 subtract '1231234555555555555555555567456789' 0 -> '1231234555555555555555555567456789' 3557db96d56Sopenharmony_cidqsub501 subtract '1231234555555555555555555567456789' 0.000000001 -> '1231234555555555555555555567456789' Inexact Rounded 3567db96d56Sopenharmony_cidqsub502 subtract '1231234555555555555555555567456789' 0.000001 -> '1231234555555555555555555567456789' Inexact Rounded 3577db96d56Sopenharmony_cidqsub503 subtract '1231234555555555555555555567456789' 0.1 -> '1231234555555555555555555567456789' Inexact Rounded 3587db96d56Sopenharmony_cidqsub504 subtract '1231234555555555555555555567456789' 0.4 -> '1231234555555555555555555567456789' Inexact Rounded 3597db96d56Sopenharmony_cidqsub505 subtract '1231234555555555555555555567456789' 0.49 -> '1231234555555555555555555567456789' Inexact Rounded 3607db96d56Sopenharmony_cidqsub506 subtract '1231234555555555555555555567456789' 0.499999 -> '1231234555555555555555555567456789' Inexact Rounded 3617db96d56Sopenharmony_cidqsub507 subtract '1231234555555555555555555567456789' 0.499999999 -> '1231234555555555555555555567456789' Inexact Rounded 3627db96d56Sopenharmony_cidqsub508 subtract '1231234555555555555555555567456789' 0.5 -> '1231234555555555555555555567456789' Inexact Rounded 3637db96d56Sopenharmony_cidqsub509 subtract '1231234555555555555555555567456789' 0.500000001 -> '1231234555555555555555555567456788' Inexact Rounded 3647db96d56Sopenharmony_cidqsub510 subtract '1231234555555555555555555567456789' 0.500001 -> '1231234555555555555555555567456788' Inexact Rounded 3657db96d56Sopenharmony_cidqsub511 subtract '1231234555555555555555555567456789' 0.51 -> '1231234555555555555555555567456788' Inexact Rounded 3667db96d56Sopenharmony_cidqsub512 subtract '1231234555555555555555555567456789' 0.6 -> '1231234555555555555555555567456788' Inexact Rounded 3677db96d56Sopenharmony_cidqsub513 subtract '1231234555555555555555555567456789' 0.9 -> '1231234555555555555555555567456788' Inexact Rounded 3687db96d56Sopenharmony_cidqsub514 subtract '1231234555555555555555555567456789' 0.99999 -> '1231234555555555555555555567456788' Inexact Rounded 3697db96d56Sopenharmony_cidqsub515 subtract '1231234555555555555555555567456789' 0.999999999 -> '1231234555555555555555555567456788' Inexact Rounded 3707db96d56Sopenharmony_cidqsub516 subtract '1231234555555555555555555567456789' 1 -> '1231234555555555555555555567456788' 3717db96d56Sopenharmony_cidqsub517 subtract '1231234555555555555555555567456789' 1.000000001 -> '1231234555555555555555555567456788' Inexact Rounded 3727db96d56Sopenharmony_cidqsub518 subtract '1231234555555555555555555567456789' 1.00001 -> '1231234555555555555555555567456788' Inexact Rounded 3737db96d56Sopenharmony_cidqsub519 subtract '1231234555555555555555555567456789' 1.1 -> '1231234555555555555555555567456788' Inexact Rounded 3747db96d56Sopenharmony_ci 3757db96d56Sopenharmony_cirounding: half_even 3767db96d56Sopenharmony_cidqsub520 subtract '1231234555555555555555555567456789' 0 -> '1231234555555555555555555567456789' 3777db96d56Sopenharmony_cidqsub521 subtract '1231234555555555555555555567456789' 0.000000001 -> '1231234555555555555555555567456789' Inexact Rounded 3787db96d56Sopenharmony_cidqsub522 subtract '1231234555555555555555555567456789' 0.000001 -> '1231234555555555555555555567456789' Inexact Rounded 3797db96d56Sopenharmony_cidqsub523 subtract '1231234555555555555555555567456789' 0.1 -> '1231234555555555555555555567456789' Inexact Rounded 3807db96d56Sopenharmony_cidqsub524 subtract '1231234555555555555555555567456789' 0.4 -> '1231234555555555555555555567456789' Inexact Rounded 3817db96d56Sopenharmony_cidqsub525 subtract '1231234555555555555555555567456789' 0.49 -> '1231234555555555555555555567456789' Inexact Rounded 3827db96d56Sopenharmony_cidqsub526 subtract '1231234555555555555555555567456789' 0.499999 -> '1231234555555555555555555567456789' Inexact Rounded 3837db96d56Sopenharmony_cidqsub527 subtract '1231234555555555555555555567456789' 0.499999999 -> '1231234555555555555555555567456789' Inexact Rounded 3847db96d56Sopenharmony_cidqsub528 subtract '1231234555555555555555555567456789' 0.5 -> '1231234555555555555555555567456788' Inexact Rounded 3857db96d56Sopenharmony_cidqsub529 subtract '1231234555555555555555555567456789' 0.500000001 -> '1231234555555555555555555567456788' Inexact Rounded 3867db96d56Sopenharmony_cidqsub530 subtract '1231234555555555555555555567456789' 0.500001 -> '1231234555555555555555555567456788' Inexact Rounded 3877db96d56Sopenharmony_cidqsub531 subtract '1231234555555555555555555567456789' 0.51 -> '1231234555555555555555555567456788' Inexact Rounded 3887db96d56Sopenharmony_cidqsub532 subtract '1231234555555555555555555567456789' 0.6 -> '1231234555555555555555555567456788' Inexact Rounded 3897db96d56Sopenharmony_cidqsub533 subtract '1231234555555555555555555567456789' 0.9 -> '1231234555555555555555555567456788' Inexact Rounded 3907db96d56Sopenharmony_cidqsub534 subtract '1231234555555555555555555567456789' 0.99999 -> '1231234555555555555555555567456788' Inexact Rounded 3917db96d56Sopenharmony_cidqsub535 subtract '1231234555555555555555555567456789' 0.999999999 -> '1231234555555555555555555567456788' Inexact Rounded 3927db96d56Sopenharmony_cidqsub536 subtract '1231234555555555555555555567456789' 1 -> '1231234555555555555555555567456788' 3937db96d56Sopenharmony_cidqsub537 subtract '1231234555555555555555555567456789' 1.00000001 -> '1231234555555555555555555567456788' Inexact Rounded 3947db96d56Sopenharmony_cidqsub538 subtract '1231234555555555555555555567456789' 1.00001 -> '1231234555555555555555555567456788' Inexact Rounded 3957db96d56Sopenharmony_cidqsub539 subtract '1231234555555555555555555567456789' 1.1 -> '1231234555555555555555555567456788' Inexact Rounded 3967db96d56Sopenharmony_ci-- critical few with even bottom digit... 3977db96d56Sopenharmony_cidqsub540 subtract '1231234555555555555555555567456788' 0.499999999 -> '1231234555555555555555555567456788' Inexact Rounded 3987db96d56Sopenharmony_cidqsub541 subtract '1231234555555555555555555567456788' 0.5 -> '1231234555555555555555555567456788' Inexact Rounded 3997db96d56Sopenharmony_cidqsub542 subtract '1231234555555555555555555567456788' 0.500000001 -> '1231234555555555555555555567456787' Inexact Rounded 4007db96d56Sopenharmony_ci 4017db96d56Sopenharmony_cirounding: down 4027db96d56Sopenharmony_cidqsub550 subtract '1231234555555555555555555567456789' 0 -> '1231234555555555555555555567456789' 4037db96d56Sopenharmony_cidqsub551 subtract '1231234555555555555555555567456789' 0.000000001 -> '1231234555555555555555555567456788' Inexact Rounded 4047db96d56Sopenharmony_cidqsub552 subtract '1231234555555555555555555567456789' 0.000001 -> '1231234555555555555555555567456788' Inexact Rounded 4057db96d56Sopenharmony_cidqsub553 subtract '1231234555555555555555555567456789' 0.1 -> '1231234555555555555555555567456788' Inexact Rounded 4067db96d56Sopenharmony_cidqsub554 subtract '1231234555555555555555555567456789' 0.4 -> '1231234555555555555555555567456788' Inexact Rounded 4077db96d56Sopenharmony_cidqsub555 subtract '1231234555555555555555555567456789' 0.49 -> '1231234555555555555555555567456788' Inexact Rounded 4087db96d56Sopenharmony_cidqsub556 subtract '1231234555555555555555555567456789' 0.499999 -> '1231234555555555555555555567456788' Inexact Rounded 4097db96d56Sopenharmony_cidqsub557 subtract '1231234555555555555555555567456789' 0.499999999 -> '1231234555555555555555555567456788' Inexact Rounded 4107db96d56Sopenharmony_cidqsub558 subtract '1231234555555555555555555567456789' 0.5 -> '1231234555555555555555555567456788' Inexact Rounded 4117db96d56Sopenharmony_cidqsub559 subtract '1231234555555555555555555567456789' 0.500000001 -> '1231234555555555555555555567456788' Inexact Rounded 4127db96d56Sopenharmony_cidqsub560 subtract '1231234555555555555555555567456789' 0.500001 -> '1231234555555555555555555567456788' Inexact Rounded 4137db96d56Sopenharmony_cidqsub561 subtract '1231234555555555555555555567456789' 0.51 -> '1231234555555555555555555567456788' Inexact Rounded 4147db96d56Sopenharmony_cidqsub562 subtract '1231234555555555555555555567456789' 0.6 -> '1231234555555555555555555567456788' Inexact Rounded 4157db96d56Sopenharmony_cidqsub563 subtract '1231234555555555555555555567456789' 0.9 -> '1231234555555555555555555567456788' Inexact Rounded 4167db96d56Sopenharmony_cidqsub564 subtract '1231234555555555555555555567456789' 0.99999 -> '1231234555555555555555555567456788' Inexact Rounded 4177db96d56Sopenharmony_cidqsub565 subtract '1231234555555555555555555567456789' 0.999999999 -> '1231234555555555555555555567456788' Inexact Rounded 4187db96d56Sopenharmony_cidqsub566 subtract '1231234555555555555555555567456789' 1 -> '1231234555555555555555555567456788' 4197db96d56Sopenharmony_cidqsub567 subtract '1231234555555555555555555567456789' 1.00000001 -> '1231234555555555555555555567456787' Inexact Rounded 4207db96d56Sopenharmony_cidqsub568 subtract '1231234555555555555555555567456789' 1.00001 -> '1231234555555555555555555567456787' Inexact Rounded 4217db96d56Sopenharmony_cidqsub569 subtract '1231234555555555555555555567456789' 1.1 -> '1231234555555555555555555567456787' Inexact Rounded 4227db96d56Sopenharmony_ci 4237db96d56Sopenharmony_ci-- symmetry... 4247db96d56Sopenharmony_cirounding: half_up 4257db96d56Sopenharmony_cidqsub600 subtract 0 '1231234555555555555555555567456789' -> '-1231234555555555555555555567456789' 4267db96d56Sopenharmony_cidqsub601 subtract 0.000000001 '1231234555555555555555555567456789' -> '-1231234555555555555555555567456789' Inexact Rounded 4277db96d56Sopenharmony_cidqsub602 subtract 0.000001 '1231234555555555555555555567456789' -> '-1231234555555555555555555567456789' Inexact Rounded 4287db96d56Sopenharmony_cidqsub603 subtract 0.1 '1231234555555555555555555567456789' -> '-1231234555555555555555555567456789' Inexact Rounded 4297db96d56Sopenharmony_cidqsub604 subtract 0.4 '1231234555555555555555555567456789' -> '-1231234555555555555555555567456789' Inexact Rounded 4307db96d56Sopenharmony_cidqsub605 subtract 0.49 '1231234555555555555555555567456789' -> '-1231234555555555555555555567456789' Inexact Rounded 4317db96d56Sopenharmony_cidqsub606 subtract 0.499999 '1231234555555555555555555567456789' -> '-1231234555555555555555555567456789' Inexact Rounded 4327db96d56Sopenharmony_cidqsub607 subtract 0.499999999 '1231234555555555555555555567456789' -> '-1231234555555555555555555567456789' Inexact Rounded 4337db96d56Sopenharmony_cidqsub608 subtract 0.5 '1231234555555555555555555567456789' -> '-1231234555555555555555555567456789' Inexact Rounded 4347db96d56Sopenharmony_cidqsub609 subtract 0.500000001 '1231234555555555555555555567456789' -> '-1231234555555555555555555567456788' Inexact Rounded 4357db96d56Sopenharmony_cidqsub610 subtract 0.500001 '1231234555555555555555555567456789' -> '-1231234555555555555555555567456788' Inexact Rounded 4367db96d56Sopenharmony_cidqsub611 subtract 0.51 '1231234555555555555555555567456789' -> '-1231234555555555555555555567456788' Inexact Rounded 4377db96d56Sopenharmony_cidqsub612 subtract 0.6 '1231234555555555555555555567456789' -> '-1231234555555555555555555567456788' Inexact Rounded 4387db96d56Sopenharmony_cidqsub613 subtract 0.9 '1231234555555555555555555567456789' -> '-1231234555555555555555555567456788' Inexact Rounded 4397db96d56Sopenharmony_cidqsub614 subtract 0.99999 '1231234555555555555555555567456789' -> '-1231234555555555555555555567456788' Inexact Rounded 4407db96d56Sopenharmony_cidqsub615 subtract 0.999999999 '1231234555555555555555555567456789' -> '-1231234555555555555555555567456788' Inexact Rounded 4417db96d56Sopenharmony_cidqsub616 subtract 1 '1231234555555555555555555567456789' -> '-1231234555555555555555555567456788' 4427db96d56Sopenharmony_cidqsub617 subtract 1.000000001 '1231234555555555555555555567456789' -> '-1231234555555555555555555567456788' Inexact Rounded 4437db96d56Sopenharmony_cidqsub618 subtract 1.00001 '1231234555555555555555555567456789' -> '-1231234555555555555555555567456788' Inexact Rounded 4447db96d56Sopenharmony_cidqsub619 subtract 1.1 '1231234555555555555555555567456789' -> '-1231234555555555555555555567456788' Inexact Rounded 4457db96d56Sopenharmony_ci 4467db96d56Sopenharmony_cirounding: half_even 4477db96d56Sopenharmony_cidqsub620 subtract 0 '1231234555555555555555555567456789' -> '-1231234555555555555555555567456789' 4487db96d56Sopenharmony_cidqsub621 subtract 0.000000001 '1231234555555555555555555567456789' -> '-1231234555555555555555555567456789' Inexact Rounded 4497db96d56Sopenharmony_cidqsub622 subtract 0.000001 '1231234555555555555555555567456789' -> '-1231234555555555555555555567456789' Inexact Rounded 4507db96d56Sopenharmony_cidqsub623 subtract 0.1 '1231234555555555555555555567456789' -> '-1231234555555555555555555567456789' Inexact Rounded 4517db96d56Sopenharmony_cidqsub624 subtract 0.4 '1231234555555555555555555567456789' -> '-1231234555555555555555555567456789' Inexact Rounded 4527db96d56Sopenharmony_cidqsub625 subtract 0.49 '1231234555555555555555555567456789' -> '-1231234555555555555555555567456789' Inexact Rounded 4537db96d56Sopenharmony_cidqsub626 subtract 0.499999 '1231234555555555555555555567456789' -> '-1231234555555555555555555567456789' Inexact Rounded 4547db96d56Sopenharmony_cidqsub627 subtract 0.499999999 '1231234555555555555555555567456789' -> '-1231234555555555555555555567456789' Inexact Rounded 4557db96d56Sopenharmony_cidqsub628 subtract 0.5 '1231234555555555555555555567456789' -> '-1231234555555555555555555567456788' Inexact Rounded 4567db96d56Sopenharmony_cidqsub629 subtract 0.500000001 '1231234555555555555555555567456789' -> '-1231234555555555555555555567456788' Inexact Rounded 4577db96d56Sopenharmony_cidqsub630 subtract 0.500001 '1231234555555555555555555567456789' -> '-1231234555555555555555555567456788' Inexact Rounded 4587db96d56Sopenharmony_cidqsub631 subtract 0.51 '1231234555555555555555555567456789' -> '-1231234555555555555555555567456788' Inexact Rounded 4597db96d56Sopenharmony_cidqsub632 subtract 0.6 '1231234555555555555555555567456789' -> '-1231234555555555555555555567456788' Inexact Rounded 4607db96d56Sopenharmony_cidqsub633 subtract 0.9 '1231234555555555555555555567456789' -> '-1231234555555555555555555567456788' Inexact Rounded 4617db96d56Sopenharmony_cidqsub634 subtract 0.99999 '1231234555555555555555555567456789' -> '-1231234555555555555555555567456788' Inexact Rounded 4627db96d56Sopenharmony_cidqsub635 subtract 0.999999999 '1231234555555555555555555567456789' -> '-1231234555555555555555555567456788' Inexact Rounded 4637db96d56Sopenharmony_cidqsub636 subtract 1 '1231234555555555555555555567456789' -> '-1231234555555555555555555567456788' 4647db96d56Sopenharmony_cidqsub637 subtract 1.00000001 '1231234555555555555555555567456789' -> '-1231234555555555555555555567456788' Inexact Rounded 4657db96d56Sopenharmony_cidqsub638 subtract 1.00001 '1231234555555555555555555567456789' -> '-1231234555555555555555555567456788' Inexact Rounded 4667db96d56Sopenharmony_cidqsub639 subtract 1.1 '1231234555555555555555555567456789' -> '-1231234555555555555555555567456788' Inexact Rounded 4677db96d56Sopenharmony_ci-- critical few with even bottom digit... 4687db96d56Sopenharmony_cidqsub640 subtract 0.499999999 '1231234555555555555555555567456788' -> '-1231234555555555555555555567456788' Inexact Rounded 4697db96d56Sopenharmony_cidqsub641 subtract 0.5 '1231234555555555555555555567456788' -> '-1231234555555555555555555567456788' Inexact Rounded 4707db96d56Sopenharmony_cidqsub642 subtract 0.500000001 '1231234555555555555555555567456788' -> '-1231234555555555555555555567456787' Inexact Rounded 4717db96d56Sopenharmony_ci 4727db96d56Sopenharmony_cirounding: down 4737db96d56Sopenharmony_cidqsub650 subtract 0 '1231234555555555555555555567456789' -> '-1231234555555555555555555567456789' 4747db96d56Sopenharmony_cidqsub651 subtract 0.000000001 '1231234555555555555555555567456789' -> '-1231234555555555555555555567456788' Inexact Rounded 4757db96d56Sopenharmony_cidqsub652 subtract 0.000001 '1231234555555555555555555567456789' -> '-1231234555555555555555555567456788' Inexact Rounded 4767db96d56Sopenharmony_cidqsub653 subtract 0.1 '1231234555555555555555555567456789' -> '-1231234555555555555555555567456788' Inexact Rounded 4777db96d56Sopenharmony_cidqsub654 subtract 0.4 '1231234555555555555555555567456789' -> '-1231234555555555555555555567456788' Inexact Rounded 4787db96d56Sopenharmony_cidqsub655 subtract 0.49 '1231234555555555555555555567456789' -> '-1231234555555555555555555567456788' Inexact Rounded 4797db96d56Sopenharmony_cidqsub656 subtract 0.499999 '1231234555555555555555555567456789' -> '-1231234555555555555555555567456788' Inexact Rounded 4807db96d56Sopenharmony_cidqsub657 subtract 0.499999999 '1231234555555555555555555567456789' -> '-1231234555555555555555555567456788' Inexact Rounded 4817db96d56Sopenharmony_cidqsub658 subtract 0.5 '1231234555555555555555555567456789' -> '-1231234555555555555555555567456788' Inexact Rounded 4827db96d56Sopenharmony_cidqsub659 subtract 0.500000001 '1231234555555555555555555567456789' -> '-1231234555555555555555555567456788' Inexact Rounded 4837db96d56Sopenharmony_cidqsub660 subtract 0.500001 '1231234555555555555555555567456789' -> '-1231234555555555555555555567456788' Inexact Rounded 4847db96d56Sopenharmony_cidqsub661 subtract 0.51 '1231234555555555555555555567456789' -> '-1231234555555555555555555567456788' Inexact Rounded 4857db96d56Sopenharmony_cidqsub662 subtract 0.6 '1231234555555555555555555567456789' -> '-1231234555555555555555555567456788' Inexact Rounded 4867db96d56Sopenharmony_cidqsub663 subtract 0.9 '1231234555555555555555555567456789' -> '-1231234555555555555555555567456788' Inexact Rounded 4877db96d56Sopenharmony_cidqsub664 subtract 0.99999 '1231234555555555555555555567456789' -> '-1231234555555555555555555567456788' Inexact Rounded 4887db96d56Sopenharmony_cidqsub665 subtract 0.999999999 '1231234555555555555555555567456789' -> '-1231234555555555555555555567456788' Inexact Rounded 4897db96d56Sopenharmony_cidqsub666 subtract 1 '1231234555555555555555555567456789' -> '-1231234555555555555555555567456788' 4907db96d56Sopenharmony_cidqsub667 subtract 1.00000001 '1231234555555555555555555567456789' -> '-1231234555555555555555555567456787' Inexact Rounded 4917db96d56Sopenharmony_cidqsub668 subtract 1.00001 '1231234555555555555555555567456789' -> '-1231234555555555555555555567456787' Inexact Rounded 4927db96d56Sopenharmony_cidqsub669 subtract 1.1 '1231234555555555555555555567456789' -> '-1231234555555555555555555567456787' Inexact Rounded 4937db96d56Sopenharmony_ci 4947db96d56Sopenharmony_ci 4957db96d56Sopenharmony_ci-- lots of leading zeros in intermediate result, and showing effects of 4967db96d56Sopenharmony_ci-- input rounding would have affected the following 4977db96d56Sopenharmony_cirounding: half_up 4987db96d56Sopenharmony_cidqsub670 subtract '1234567456789' '1234567456788.1' -> 0.9 4997db96d56Sopenharmony_cidqsub671 subtract '1234567456789' '1234567456788.9' -> 0.1 5007db96d56Sopenharmony_cidqsub672 subtract '1234567456789' '1234567456789.1' -> -0.1 5017db96d56Sopenharmony_cidqsub673 subtract '1234567456789' '1234567456789.5' -> -0.5 5027db96d56Sopenharmony_cidqsub674 subtract '1234567456789' '1234567456789.9' -> -0.9 5037db96d56Sopenharmony_ci 5047db96d56Sopenharmony_cirounding: half_even 5057db96d56Sopenharmony_cidqsub680 subtract '1234567456789' '1234567456788.1' -> 0.9 5067db96d56Sopenharmony_cidqsub681 subtract '1234567456789' '1234567456788.9' -> 0.1 5077db96d56Sopenharmony_cidqsub682 subtract '1234567456789' '1234567456789.1' -> -0.1 5087db96d56Sopenharmony_cidqsub683 subtract '1234567456789' '1234567456789.5' -> -0.5 5097db96d56Sopenharmony_cidqsub684 subtract '1234567456789' '1234567456789.9' -> -0.9 5107db96d56Sopenharmony_ci 5117db96d56Sopenharmony_cidqsub685 subtract '1234567456788' '1234567456787.1' -> 0.9 5127db96d56Sopenharmony_cidqsub686 subtract '1234567456788' '1234567456787.9' -> 0.1 5137db96d56Sopenharmony_cidqsub687 subtract '1234567456788' '1234567456788.1' -> -0.1 5147db96d56Sopenharmony_cidqsub688 subtract '1234567456788' '1234567456788.5' -> -0.5 5157db96d56Sopenharmony_cidqsub689 subtract '1234567456788' '1234567456788.9' -> -0.9 5167db96d56Sopenharmony_ci 5177db96d56Sopenharmony_cirounding: down 5187db96d56Sopenharmony_cidqsub690 subtract '1234567456789' '1234567456788.1' -> 0.9 5197db96d56Sopenharmony_cidqsub691 subtract '1234567456789' '1234567456788.9' -> 0.1 5207db96d56Sopenharmony_cidqsub692 subtract '1234567456789' '1234567456789.1' -> -0.1 5217db96d56Sopenharmony_cidqsub693 subtract '1234567456789' '1234567456789.5' -> -0.5 5227db96d56Sopenharmony_cidqsub694 subtract '1234567456789' '1234567456789.9' -> -0.9 5237db96d56Sopenharmony_ci 5247db96d56Sopenharmony_ci-- Specials 5257db96d56Sopenharmony_cidqsub780 subtract -Inf Inf -> -Infinity 5267db96d56Sopenharmony_cidqsub781 subtract -Inf 1000 -> -Infinity 5277db96d56Sopenharmony_cidqsub782 subtract -Inf 1 -> -Infinity 5287db96d56Sopenharmony_cidqsub783 subtract -Inf -0 -> -Infinity 5297db96d56Sopenharmony_cidqsub784 subtract -Inf -1 -> -Infinity 5307db96d56Sopenharmony_cidqsub785 subtract -Inf -1000 -> -Infinity 5317db96d56Sopenharmony_cidqsub787 subtract -1000 Inf -> -Infinity 5327db96d56Sopenharmony_cidqsub788 subtract -Inf Inf -> -Infinity 5337db96d56Sopenharmony_cidqsub789 subtract -1 Inf -> -Infinity 5347db96d56Sopenharmony_cidqsub790 subtract 0 Inf -> -Infinity 5357db96d56Sopenharmony_cidqsub791 subtract 1 Inf -> -Infinity 5367db96d56Sopenharmony_cidqsub792 subtract 1000 Inf -> -Infinity 5377db96d56Sopenharmony_ci 5387db96d56Sopenharmony_cidqsub800 subtract Inf Inf -> NaN Invalid_operation 5397db96d56Sopenharmony_cidqsub801 subtract Inf 1000 -> Infinity 5407db96d56Sopenharmony_cidqsub802 subtract Inf 1 -> Infinity 5417db96d56Sopenharmony_cidqsub803 subtract Inf 0 -> Infinity 5427db96d56Sopenharmony_cidqsub804 subtract Inf -0 -> Infinity 5437db96d56Sopenharmony_cidqsub805 subtract Inf -1 -> Infinity 5447db96d56Sopenharmony_cidqsub806 subtract Inf -1000 -> Infinity 5457db96d56Sopenharmony_cidqsub807 subtract Inf -Inf -> Infinity 5467db96d56Sopenharmony_cidqsub808 subtract -1000 -Inf -> Infinity 5477db96d56Sopenharmony_cidqsub809 subtract -Inf -Inf -> NaN Invalid_operation 5487db96d56Sopenharmony_cidqsub810 subtract -1 -Inf -> Infinity 5497db96d56Sopenharmony_cidqsub811 subtract -0 -Inf -> Infinity 5507db96d56Sopenharmony_cidqsub812 subtract 0 -Inf -> Infinity 5517db96d56Sopenharmony_cidqsub813 subtract 1 -Inf -> Infinity 5527db96d56Sopenharmony_cidqsub814 subtract 1000 -Inf -> Infinity 5537db96d56Sopenharmony_cidqsub815 subtract Inf -Inf -> Infinity 5547db96d56Sopenharmony_ci 5557db96d56Sopenharmony_cidqsub821 subtract NaN Inf -> NaN 5567db96d56Sopenharmony_cidqsub822 subtract -NaN 1000 -> -NaN 5577db96d56Sopenharmony_cidqsub823 subtract NaN 1 -> NaN 5587db96d56Sopenharmony_cidqsub824 subtract NaN 0 -> NaN 5597db96d56Sopenharmony_cidqsub825 subtract NaN -0 -> NaN 5607db96d56Sopenharmony_cidqsub826 subtract NaN -1 -> NaN 5617db96d56Sopenharmony_cidqsub827 subtract NaN -1000 -> NaN 5627db96d56Sopenharmony_cidqsub828 subtract NaN -Inf -> NaN 5637db96d56Sopenharmony_cidqsub829 subtract -NaN NaN -> -NaN 5647db96d56Sopenharmony_cidqsub830 subtract -Inf NaN -> NaN 5657db96d56Sopenharmony_cidqsub831 subtract -1000 NaN -> NaN 5667db96d56Sopenharmony_cidqsub832 subtract -1 NaN -> NaN 5677db96d56Sopenharmony_cidqsub833 subtract -0 NaN -> NaN 5687db96d56Sopenharmony_cidqsub834 subtract 0 NaN -> NaN 5697db96d56Sopenharmony_cidqsub835 subtract 1 NaN -> NaN 5707db96d56Sopenharmony_cidqsub836 subtract 1000 -NaN -> -NaN 5717db96d56Sopenharmony_cidqsub837 subtract Inf NaN -> NaN 5727db96d56Sopenharmony_ci 5737db96d56Sopenharmony_cidqsub841 subtract sNaN Inf -> NaN Invalid_operation 5747db96d56Sopenharmony_cidqsub842 subtract -sNaN 1000 -> -NaN Invalid_operation 5757db96d56Sopenharmony_cidqsub843 subtract sNaN 1 -> NaN Invalid_operation 5767db96d56Sopenharmony_cidqsub844 subtract sNaN 0 -> NaN Invalid_operation 5777db96d56Sopenharmony_cidqsub845 subtract sNaN -0 -> NaN Invalid_operation 5787db96d56Sopenharmony_cidqsub846 subtract sNaN -1 -> NaN Invalid_operation 5797db96d56Sopenharmony_cidqsub847 subtract sNaN -1000 -> NaN Invalid_operation 5807db96d56Sopenharmony_cidqsub848 subtract sNaN NaN -> NaN Invalid_operation 5817db96d56Sopenharmony_cidqsub849 subtract sNaN sNaN -> NaN Invalid_operation 5827db96d56Sopenharmony_cidqsub850 subtract NaN sNaN -> NaN Invalid_operation 5837db96d56Sopenharmony_cidqsub851 subtract -Inf -sNaN -> -NaN Invalid_operation 5847db96d56Sopenharmony_cidqsub852 subtract -1000 sNaN -> NaN Invalid_operation 5857db96d56Sopenharmony_cidqsub853 subtract -1 sNaN -> NaN Invalid_operation 5867db96d56Sopenharmony_cidqsub854 subtract -0 sNaN -> NaN Invalid_operation 5877db96d56Sopenharmony_cidqsub855 subtract 0 sNaN -> NaN Invalid_operation 5887db96d56Sopenharmony_cidqsub856 subtract 1 sNaN -> NaN Invalid_operation 5897db96d56Sopenharmony_cidqsub857 subtract 1000 sNaN -> NaN Invalid_operation 5907db96d56Sopenharmony_cidqsub858 subtract Inf sNaN -> NaN Invalid_operation 5917db96d56Sopenharmony_cidqsub859 subtract NaN sNaN -> NaN Invalid_operation 5927db96d56Sopenharmony_ci 5937db96d56Sopenharmony_ci-- propagating NaNs 5947db96d56Sopenharmony_cidqsub861 subtract NaN01 -Inf -> NaN1 5957db96d56Sopenharmony_cidqsub862 subtract -NaN02 -1000 -> -NaN2 5967db96d56Sopenharmony_cidqsub863 subtract NaN03 1000 -> NaN3 5977db96d56Sopenharmony_cidqsub864 subtract NaN04 Inf -> NaN4 5987db96d56Sopenharmony_cidqsub865 subtract NaN05 NaN61 -> NaN5 5997db96d56Sopenharmony_cidqsub866 subtract -Inf -NaN71 -> -NaN71 6007db96d56Sopenharmony_cidqsub867 subtract -1000 NaN81 -> NaN81 6017db96d56Sopenharmony_cidqsub868 subtract 1000 NaN91 -> NaN91 6027db96d56Sopenharmony_cidqsub869 subtract Inf NaN101 -> NaN101 6037db96d56Sopenharmony_cidqsub871 subtract sNaN011 -Inf -> NaN11 Invalid_operation 6047db96d56Sopenharmony_cidqsub872 subtract sNaN012 -1000 -> NaN12 Invalid_operation 6057db96d56Sopenharmony_cidqsub873 subtract -sNaN013 1000 -> -NaN13 Invalid_operation 6067db96d56Sopenharmony_cidqsub874 subtract sNaN014 NaN171 -> NaN14 Invalid_operation 6077db96d56Sopenharmony_cidqsub875 subtract sNaN015 sNaN181 -> NaN15 Invalid_operation 6087db96d56Sopenharmony_cidqsub876 subtract NaN016 sNaN191 -> NaN191 Invalid_operation 6097db96d56Sopenharmony_cidqsub877 subtract -Inf sNaN201 -> NaN201 Invalid_operation 6107db96d56Sopenharmony_cidqsub878 subtract -1000 sNaN211 -> NaN211 Invalid_operation 6117db96d56Sopenharmony_cidqsub879 subtract 1000 -sNaN221 -> -NaN221 Invalid_operation 6127db96d56Sopenharmony_cidqsub880 subtract Inf sNaN231 -> NaN231 Invalid_operation 6137db96d56Sopenharmony_cidqsub881 subtract NaN025 sNaN241 -> NaN241 Invalid_operation 6147db96d56Sopenharmony_ci 6157db96d56Sopenharmony_ci-- edge case spills 6167db96d56Sopenharmony_cidqsub901 subtract 2.E-3 1.002 -> -1.000 6177db96d56Sopenharmony_cidqsub902 subtract 2.0E-3 1.002 -> -1.0000 6187db96d56Sopenharmony_cidqsub903 subtract 2.00E-3 1.0020 -> -1.00000 6197db96d56Sopenharmony_cidqsub904 subtract 2.000E-3 1.00200 -> -1.000000 6207db96d56Sopenharmony_cidqsub905 subtract 2.0000E-3 1.002000 -> -1.0000000 6217db96d56Sopenharmony_cidqsub906 subtract 2.00000E-3 1.0020000 -> -1.00000000 6227db96d56Sopenharmony_cidqsub907 subtract 2.000000E-3 1.00200000 -> -1.000000000 6237db96d56Sopenharmony_cidqsub908 subtract 2.0000000E-3 1.002000000 -> -1.0000000000 6247db96d56Sopenharmony_ci 6257db96d56Sopenharmony_ci-- subnormals and overflows covered under Add 6267db96d56Sopenharmony_ci 6277db96d56Sopenharmony_ci-- Examples from SQL proposal (Krishna Kulkarni) 6287db96d56Sopenharmony_cidqsub1125 subtract 130E-2 120E-2 -> 0.10 6297db96d56Sopenharmony_cidqsub1126 subtract 130E-2 12E-1 -> 0.10 6307db96d56Sopenharmony_cidqsub1127 subtract 130E-2 1E0 -> 0.30 6317db96d56Sopenharmony_cidqsub1128 subtract 1E2 1E4 -> -9.9E+3 6327db96d56Sopenharmony_ci 6337db96d56Sopenharmony_ci-- Null tests 6347db96d56Sopenharmony_cidqsub9990 subtract 10 # -> NaN Invalid_operation 6357db96d56Sopenharmony_cidqsub9991 subtract # 10 -> NaN Invalid_operation 636