------------------------------------------------------------------------ | |
-- dqMultiply.decTest -- decQuad multiplication -- | |
-- 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: 2.58 | |
-- This set of tests are for decQuads only; all arguments are | |
-- representable in a decQuad | |
extended: 1 | |
clamp: 1 | |
precision: 34 | |
maxExponent: 6144 | |
minExponent: -6143 | |
rounding: half_even | |
-- sanity checks | |
dqmul000 multiply 2 2 -> 4 | |
dqmul001 multiply 2 3 -> 6 | |
dqmul002 multiply 5 1 -> 5 | |
dqmul003 multiply 5 2 -> 10 | |
dqmul004 multiply 1.20 2 -> 2.40 | |
dqmul005 multiply 1.20 0 -> 0.00 | |
dqmul006 multiply 1.20 -2 -> -2.40 | |
dqmul007 multiply -1.20 2 -> -2.40 | |
dqmul008 multiply -1.20 0 -> -0.00 | |
dqmul009 multiply -1.20 -2 -> 2.40 | |
dqmul010 multiply 5.09 7.1 -> 36.139 | |
dqmul011 multiply 2.5 4 -> 10.0 | |
dqmul012 multiply 2.50 4 -> 10.00 | |
dqmul013 multiply 1.23456789 1.0000000000000000000000000000 -> 1.234567890000000000000000000000000 Rounded | |
dqmul015 multiply 2.50 4 -> 10.00 | |
dqmul016 multiply 9.99999999999999999 9.99999999999999999 -> 99.99999999999999980000000000000000 Inexact Rounded | |
dqmul017 multiply 9.99999999999999999 -9.99999999999999999 -> -99.99999999999999980000000000000000 Inexact Rounded | |
dqmul018 multiply -9.99999999999999999 9.99999999999999999 -> -99.99999999999999980000000000000000 Inexact Rounded | |
dqmul019 multiply -9.99999999999999999 -9.99999999999999999 -> 99.99999999999999980000000000000000 Inexact Rounded | |
-- zeros, etc. | |
dqmul021 multiply 0 0 -> 0 | |
dqmul022 multiply 0 -0 -> -0 | |
dqmul023 multiply -0 0 -> -0 | |
dqmul024 multiply -0 -0 -> 0 | |
dqmul025 multiply -0.0 -0.0 -> 0.00 | |
dqmul026 multiply -0.0 -0.0 -> 0.00 | |
dqmul027 multiply -0.0 -0.0 -> 0.00 | |
dqmul028 multiply -0.0 -0.0 -> 0.00 | |
dqmul030 multiply 5.00 1E-3 -> 0.00500 | |
dqmul031 multiply 00.00 0.000 -> 0.00000 | |
dqmul032 multiply 00.00 0E-3 -> 0.00000 -- rhs is 0 | |
dqmul033 multiply 0E-3 00.00 -> 0.00000 -- lhs is 0 | |
dqmul034 multiply -5.00 1E-3 -> -0.00500 | |
dqmul035 multiply -00.00 0.000 -> -0.00000 | |
dqmul036 multiply -00.00 0E-3 -> -0.00000 -- rhs is 0 | |
dqmul037 multiply -0E-3 00.00 -> -0.00000 -- lhs is 0 | |
dqmul038 multiply 5.00 -1E-3 -> -0.00500 | |
dqmul039 multiply 00.00 -0.000 -> -0.00000 | |
dqmul040 multiply 00.00 -0E-3 -> -0.00000 -- rhs is 0 | |
dqmul041 multiply 0E-3 -00.00 -> -0.00000 -- lhs is 0 | |
dqmul042 multiply -5.00 -1E-3 -> 0.00500 | |
dqmul043 multiply -00.00 -0.000 -> 0.00000 | |
dqmul044 multiply -00.00 -0E-3 -> 0.00000 -- rhs is 0 | |
dqmul045 multiply -0E-3 -00.00 -> 0.00000 -- lhs is 0 | |
-- examples from decarith | |
dqmul050 multiply 1.20 3 -> 3.60 | |
dqmul051 multiply 7 3 -> 21 | |
dqmul052 multiply 0.9 0.8 -> 0.72 | |
dqmul053 multiply 0.9 -0 -> -0.0 | |
dqmul054 multiply 654321 654321 -> 428135971041 | |
dqmul060 multiply 123.45 1e7 -> 1.2345E+9 | |
dqmul061 multiply 123.45 1e8 -> 1.2345E+10 | |
dqmul062 multiply 123.45 1e+9 -> 1.2345E+11 | |
dqmul063 multiply 123.45 1e10 -> 1.2345E+12 | |
dqmul064 multiply 123.45 1e11 -> 1.2345E+13 | |
dqmul065 multiply 123.45 1e12 -> 1.2345E+14 | |
dqmul066 multiply 123.45 1e13 -> 1.2345E+15 | |
-- test some intermediate lengths | |
-- 1234567890123456 | |
dqmul080 multiply 0.1 1230123456456789 -> 123012345645678.9 | |
dqmul084 multiply 0.1 1230123456456789 -> 123012345645678.9 | |
dqmul090 multiply 1230123456456789 0.1 -> 123012345645678.9 | |
dqmul094 multiply 1230123456456789 0.1 -> 123012345645678.9 | |
-- test some more edge cases and carries | |
dqmul101 multiply 9 9 -> 81 | |
dqmul102 multiply 9 90 -> 810 | |
dqmul103 multiply 9 900 -> 8100 | |
dqmul104 multiply 9 9000 -> 81000 | |
dqmul105 multiply 9 90000 -> 810000 | |
dqmul106 multiply 9 900000 -> 8100000 | |
dqmul107 multiply 9 9000000 -> 81000000 | |
dqmul108 multiply 9 90000000 -> 810000000 | |
dqmul109 multiply 9 900000000 -> 8100000000 | |
dqmul110 multiply 9 9000000000 -> 81000000000 | |
dqmul111 multiply 9 90000000000 -> 810000000000 | |
dqmul112 multiply 9 900000000000 -> 8100000000000 | |
dqmul113 multiply 9 9000000000000 -> 81000000000000 | |
dqmul114 multiply 9 90000000000000 -> 810000000000000 | |
dqmul115 multiply 9 900000000000000 -> 8100000000000000 | |
--dqmul116 multiply 9 9000000000000000 -> 81000000000000000 | |
--dqmul117 multiply 9 90000000000000000 -> 810000000000000000 | |
--dqmul118 multiply 9 900000000000000000 -> 8100000000000000000 | |
--dqmul119 multiply 9 9000000000000000000 -> 81000000000000000000 | |
--dqmul120 multiply 9 90000000000000000000 -> 810000000000000000000 | |
--dqmul121 multiply 9 900000000000000000000 -> 8100000000000000000000 | |
--dqmul122 multiply 9 9000000000000000000000 -> 81000000000000000000000 | |
--dqmul123 multiply 9 90000000000000000000000 -> 810000000000000000000000 | |
-- test some more edge cases without carries | |
dqmul131 multiply 3 3 -> 9 | |
dqmul132 multiply 3 30 -> 90 | |
dqmul133 multiply 3 300 -> 900 | |
dqmul134 multiply 3 3000 -> 9000 | |
dqmul135 multiply 3 30000 -> 90000 | |
dqmul136 multiply 3 300000 -> 900000 | |
dqmul137 multiply 3 3000000 -> 9000000 | |
dqmul138 multiply 3 30000000 -> 90000000 | |
dqmul139 multiply 3 300000000 -> 900000000 | |
dqmul140 multiply 3 3000000000 -> 9000000000 | |
dqmul141 multiply 3 30000000000 -> 90000000000 | |
dqmul142 multiply 3 300000000000 -> 900000000000 | |
dqmul143 multiply 3 3000000000000 -> 9000000000000 | |
dqmul144 multiply 3 30000000000000 -> 90000000000000 | |
dqmul145 multiply 3 300000000000000 -> 900000000000000 | |
dqmul146 multiply 3 3000000000000000 -> 9000000000000000 | |
dqmul147 multiply 3 30000000000000000 -> 90000000000000000 | |
dqmul148 multiply 3 300000000000000000 -> 900000000000000000 | |
dqmul149 multiply 3 3000000000000000000 -> 9000000000000000000 | |
dqmul150 multiply 3 30000000000000000000 -> 90000000000000000000 | |
dqmul151 multiply 3 300000000000000000000 -> 900000000000000000000 | |
dqmul152 multiply 3 3000000000000000000000 -> 9000000000000000000000 | |
dqmul153 multiply 3 30000000000000000000000 -> 90000000000000000000000 | |
dqmul263 multiply 30269.587755640502150977251770554 4.8046009735990873395936309640543 -> 145433.2908011933696719165119928296 Inexact Rounded | |
-- test some edge cases with exact rounding | |
dqmul301 multiply 900000000000000000 9 -> 8100000000000000000 | |
dqmul302 multiply 900000000000000000 90 -> 81000000000000000000 | |
dqmul303 multiply 900000000000000000 900 -> 810000000000000000000 | |
dqmul304 multiply 900000000000000000 9000 -> 8100000000000000000000 | |
dqmul305 multiply 900000000000000000 90000 -> 81000000000000000000000 | |
dqmul306 multiply 900000000000000000 900000 -> 810000000000000000000000 | |
dqmul307 multiply 900000000000000000 9000000 -> 8100000000000000000000000 | |
dqmul308 multiply 900000000000000000 90000000 -> 81000000000000000000000000 | |
dqmul309 multiply 900000000000000000 900000000 -> 810000000000000000000000000 | |
dqmul310 multiply 900000000000000000 9000000000 -> 8100000000000000000000000000 | |
dqmul311 multiply 900000000000000000 90000000000 -> 81000000000000000000000000000 | |
dqmul312 multiply 900000000000000000 900000000000 -> 810000000000000000000000000000 | |
dqmul313 multiply 900000000000000000 9000000000000 -> 8100000000000000000000000000000 | |
dqmul314 multiply 900000000000000000 90000000000000 -> 81000000000000000000000000000000 | |
dqmul315 multiply 900000000000000000 900000000000000 -> 810000000000000000000000000000000 | |
dqmul316 multiply 900000000000000000 9000000000000000 -> 8100000000000000000000000000000000 | |
dqmul317 multiply 9000000000000000000 9000000000000000 -> 8.100000000000000000000000000000000E+34 Rounded | |
dqmul318 multiply 90000000000000000000 9000000000000000 -> 8.100000000000000000000000000000000E+35 Rounded | |
dqmul319 multiply 900000000000000000000 9000000000000000 -> 8.100000000000000000000000000000000E+36 Rounded | |
dqmul320 multiply 9000000000000000000000 9000000000000000 -> 8.100000000000000000000000000000000E+37 Rounded | |
dqmul321 multiply 90000000000000000000000 9000000000000000 -> 8.100000000000000000000000000000000E+38 Rounded | |
dqmul322 multiply 900000000000000000000000 9000000000000000 -> 8.100000000000000000000000000000000E+39 Rounded | |
dqmul323 multiply 9000000000000000000000000 9000000000000000 -> 8.100000000000000000000000000000000E+40 Rounded | |
-- tryzeros cases | |
dqmul504 multiply 0E-4260 1000E-4260 -> 0E-6176 Clamped | |
dqmul505 multiply 100E+4260 0E+4260 -> 0E+6111 Clamped | |
-- mixed with zeros | |
dqmul541 multiply 0 -1 -> -0 | |
dqmul542 multiply -0 -1 -> 0 | |
dqmul543 multiply 0 1 -> 0 | |
dqmul544 multiply -0 1 -> -0 | |
dqmul545 multiply -1 0 -> -0 | |
dqmul546 multiply -1 -0 -> 0 | |
dqmul547 multiply 1 0 -> 0 | |
dqmul548 multiply 1 -0 -> -0 | |
dqmul551 multiply 0.0 -1 -> -0.0 | |
dqmul552 multiply -0.0 -1 -> 0.0 | |
dqmul553 multiply 0.0 1 -> 0.0 | |
dqmul554 multiply -0.0 1 -> -0.0 | |
dqmul555 multiply -1.0 0 -> -0.0 | |
dqmul556 multiply -1.0 -0 -> 0.0 | |
dqmul557 multiply 1.0 0 -> 0.0 | |
dqmul558 multiply 1.0 -0 -> -0.0 | |
dqmul561 multiply 0 -1.0 -> -0.0 | |
dqmul562 multiply -0 -1.0 -> 0.0 | |
dqmul563 multiply 0 1.0 -> 0.0 | |
dqmul564 multiply -0 1.0 -> -0.0 | |
dqmul565 multiply -1 0.0 -> -0.0 | |
dqmul566 multiply -1 -0.0 -> 0.0 | |
dqmul567 multiply 1 0.0 -> 0.0 | |
dqmul568 multiply 1 -0.0 -> -0.0 | |
dqmul571 multiply 0.0 -1.0 -> -0.00 | |
dqmul572 multiply -0.0 -1.0 -> 0.00 | |
dqmul573 multiply 0.0 1.0 -> 0.00 | |
dqmul574 multiply -0.0 1.0 -> -0.00 | |
dqmul575 multiply -1.0 0.0 -> -0.00 | |
dqmul576 multiply -1.0 -0.0 -> 0.00 | |
dqmul577 multiply 1.0 0.0 -> 0.00 | |
dqmul578 multiply 1.0 -0.0 -> -0.00 | |
-- Specials | |
dqmul580 multiply Inf -Inf -> -Infinity | |
dqmul581 multiply Inf -1000 -> -Infinity | |
dqmul582 multiply Inf -1 -> -Infinity | |
dqmul583 multiply Inf -0 -> NaN Invalid_operation | |
dqmul584 multiply Inf 0 -> NaN Invalid_operation | |
dqmul585 multiply Inf 1 -> Infinity | |
dqmul586 multiply Inf 1000 -> Infinity | |
dqmul587 multiply Inf Inf -> Infinity | |
dqmul588 multiply -1000 Inf -> -Infinity | |
dqmul589 multiply -Inf Inf -> -Infinity | |
dqmul590 multiply -1 Inf -> -Infinity | |
dqmul591 multiply -0 Inf -> NaN Invalid_operation | |
dqmul592 multiply 0 Inf -> NaN Invalid_operation | |
dqmul593 multiply 1 Inf -> Infinity | |
dqmul594 multiply 1000 Inf -> Infinity | |
dqmul595 multiply Inf Inf -> Infinity | |
dqmul600 multiply -Inf -Inf -> Infinity | |
dqmul601 multiply -Inf -1000 -> Infinity | |
dqmul602 multiply -Inf -1 -> Infinity | |
dqmul603 multiply -Inf -0 -> NaN Invalid_operation | |
dqmul604 multiply -Inf 0 -> NaN Invalid_operation | |
dqmul605 multiply -Inf 1 -> -Infinity | |
dqmul606 multiply -Inf 1000 -> -Infinity | |
dqmul607 multiply -Inf Inf -> -Infinity | |
dqmul608 multiply -1000 Inf -> -Infinity | |
dqmul609 multiply -Inf -Inf -> Infinity | |
dqmul610 multiply -1 -Inf -> Infinity | |
dqmul611 multiply -0 -Inf -> NaN Invalid_operation | |
dqmul612 multiply 0 -Inf -> NaN Invalid_operation | |
dqmul613 multiply 1 -Inf -> -Infinity | |
dqmul614 multiply 1000 -Inf -> -Infinity | |
dqmul615 multiply Inf -Inf -> -Infinity | |
dqmul621 multiply NaN -Inf -> NaN | |
dqmul622 multiply NaN -1000 -> NaN | |
dqmul623 multiply NaN -1 -> NaN | |
dqmul624 multiply NaN -0 -> NaN | |
dqmul625 multiply NaN 0 -> NaN | |
dqmul626 multiply NaN 1 -> NaN | |
dqmul627 multiply NaN 1000 -> NaN | |
dqmul628 multiply NaN Inf -> NaN | |
dqmul629 multiply NaN NaN -> NaN | |
dqmul630 multiply -Inf NaN -> NaN | |
dqmul631 multiply -1000 NaN -> NaN | |
dqmul632 multiply -1 NaN -> NaN | |
dqmul633 multiply -0 NaN -> NaN | |
dqmul634 multiply 0 NaN -> NaN | |
dqmul635 multiply 1 NaN -> NaN | |
dqmul636 multiply 1000 NaN -> NaN | |
dqmul637 multiply Inf NaN -> NaN | |
dqmul641 multiply sNaN -Inf -> NaN Invalid_operation | |
dqmul642 multiply sNaN -1000 -> NaN Invalid_operation | |
dqmul643 multiply sNaN -1 -> NaN Invalid_operation | |
dqmul644 multiply sNaN -0 -> NaN Invalid_operation | |
dqmul645 multiply sNaN 0 -> NaN Invalid_operation | |
dqmul646 multiply sNaN 1 -> NaN Invalid_operation | |
dqmul647 multiply sNaN 1000 -> NaN Invalid_operation | |
dqmul648 multiply sNaN NaN -> NaN Invalid_operation | |
dqmul649 multiply sNaN sNaN -> NaN Invalid_operation | |
dqmul650 multiply NaN sNaN -> NaN Invalid_operation | |
dqmul651 multiply -Inf sNaN -> NaN Invalid_operation | |
dqmul652 multiply -1000 sNaN -> NaN Invalid_operation | |
dqmul653 multiply -1 sNaN -> NaN Invalid_operation | |
dqmul654 multiply -0 sNaN -> NaN Invalid_operation | |
dqmul655 multiply 0 sNaN -> NaN Invalid_operation | |
dqmul656 multiply 1 sNaN -> NaN Invalid_operation | |
dqmul657 multiply 1000 sNaN -> NaN Invalid_operation | |
dqmul658 multiply Inf sNaN -> NaN Invalid_operation | |
dqmul659 multiply NaN sNaN -> NaN Invalid_operation | |
-- propagating NaNs | |
dqmul661 multiply NaN9 -Inf -> NaN9 | |
dqmul662 multiply NaN8 999 -> NaN8 | |
dqmul663 multiply NaN71 Inf -> NaN71 | |
dqmul664 multiply NaN6 NaN5 -> NaN6 | |
dqmul665 multiply -Inf NaN4 -> NaN4 | |
dqmul666 multiply -999 NaN33 -> NaN33 | |
dqmul667 multiply Inf NaN2 -> NaN2 | |
dqmul671 multiply sNaN99 -Inf -> NaN99 Invalid_operation | |
dqmul672 multiply sNaN98 -11 -> NaN98 Invalid_operation | |
dqmul673 multiply sNaN97 NaN -> NaN97 Invalid_operation | |
dqmul674 multiply sNaN16 sNaN94 -> NaN16 Invalid_operation | |
dqmul675 multiply NaN95 sNaN93 -> NaN93 Invalid_operation | |
dqmul676 multiply -Inf sNaN92 -> NaN92 Invalid_operation | |
dqmul677 multiply 088 sNaN91 -> NaN91 Invalid_operation | |
dqmul678 multiply Inf sNaN90 -> NaN90 Invalid_operation | |
dqmul679 multiply NaN sNaN89 -> NaN89 Invalid_operation | |
dqmul681 multiply -NaN9 -Inf -> -NaN9 | |
dqmul682 multiply -NaN8 999 -> -NaN8 | |
dqmul683 multiply -NaN71 Inf -> -NaN71 | |
dqmul684 multiply -NaN6 -NaN5 -> -NaN6 | |
dqmul685 multiply -Inf -NaN4 -> -NaN4 | |
dqmul686 multiply -999 -NaN33 -> -NaN33 | |
dqmul687 multiply Inf -NaN2 -> -NaN2 | |
dqmul691 multiply -sNaN99 -Inf -> -NaN99 Invalid_operation | |
dqmul692 multiply -sNaN98 -11 -> -NaN98 Invalid_operation | |
dqmul693 multiply -sNaN97 NaN -> -NaN97 Invalid_operation | |
dqmul694 multiply -sNaN16 -sNaN94 -> -NaN16 Invalid_operation | |
dqmul695 multiply -NaN95 -sNaN93 -> -NaN93 Invalid_operation | |
dqmul696 multiply -Inf -sNaN92 -> -NaN92 Invalid_operation | |
dqmul697 multiply 088 -sNaN91 -> -NaN91 Invalid_operation | |
dqmul698 multiply Inf -sNaN90 -> -NaN90 Invalid_operation | |
dqmul699 multiply -NaN -sNaN89 -> -NaN89 Invalid_operation | |
dqmul701 multiply -NaN -Inf -> -NaN | |
dqmul702 multiply -NaN 999 -> -NaN | |
dqmul703 multiply -NaN Inf -> -NaN | |
dqmul704 multiply -NaN -NaN -> -NaN | |
dqmul705 multiply -Inf -NaN0 -> -NaN | |
dqmul706 multiply -999 -NaN -> -NaN | |
dqmul707 multiply Inf -NaN -> -NaN | |
dqmul711 multiply -sNaN -Inf -> -NaN Invalid_operation | |
dqmul712 multiply -sNaN -11 -> -NaN Invalid_operation | |
dqmul713 multiply -sNaN00 NaN -> -NaN Invalid_operation | |
dqmul714 multiply -sNaN -sNaN -> -NaN Invalid_operation | |
dqmul715 multiply -NaN -sNaN -> -NaN Invalid_operation | |
dqmul716 multiply -Inf -sNaN -> -NaN Invalid_operation | |
dqmul717 multiply 088 -sNaN -> -NaN Invalid_operation | |
dqmul718 multiply Inf -sNaN -> -NaN Invalid_operation | |
dqmul719 multiply -NaN -sNaN -> -NaN Invalid_operation | |
-- overflow and underflow tests .. note subnormal results | |
-- signs | |
dqmul751 multiply 1e+4277 1e+3311 -> Infinity Overflow Inexact Rounded | |
dqmul752 multiply 1e+4277 -1e+3311 -> -Infinity Overflow Inexact Rounded | |
dqmul753 multiply -1e+4277 1e+3311 -> -Infinity Overflow Inexact Rounded | |
dqmul754 multiply -1e+4277 -1e+3311 -> Infinity Overflow Inexact Rounded | |
dqmul755 multiply 1e-4277 1e-3311 -> 0E-6176 Underflow Subnormal Inexact Rounded Clamped | |
dqmul756 multiply 1e-4277 -1e-3311 -> -0E-6176 Underflow Subnormal Inexact Rounded Clamped | |
dqmul757 multiply -1e-4277 1e-3311 -> -0E-6176 Underflow Subnormal Inexact Rounded Clamped | |
dqmul758 multiply -1e-4277 -1e-3311 -> 0E-6176 Underflow Subnormal Inexact Rounded Clamped | |
-- 'subnormal' boundary (all hard underflow or overflow in base arithemtic) | |
dqmul760 multiply 1e-6069 1e-101 -> 1E-6170 Subnormal | |
dqmul761 multiply 1e-6069 1e-102 -> 1E-6171 Subnormal | |
dqmul762 multiply 1e-6069 1e-103 -> 1E-6172 Subnormal | |
dqmul763 multiply 1e-6069 1e-104 -> 1E-6173 Subnormal | |
dqmul764 multiply 1e-6069 1e-105 -> 1E-6174 Subnormal | |
dqmul765 multiply 1e-6069 1e-106 -> 1E-6175 Subnormal | |
dqmul766 multiply 1e-6069 1e-107 -> 1E-6176 Subnormal | |
dqmul767 multiply 1e-6069 1e-108 -> 0E-6176 Underflow Subnormal Inexact Rounded Clamped | |
dqmul768 multiply 1e-6069 1e-109 -> 0E-6176 Underflow Subnormal Inexact Rounded Clamped | |
dqmul769 multiply 1e-6069 1e-110 -> 0E-6176 Underflow Subnormal Inexact Rounded Clamped | |
-- [no equivalent of 'subnormal' for overflow] | |
dqmul770 multiply 1e+40 1e+6101 -> 1.000000000000000000000000000000E+6141 Clamped | |
dqmul771 multiply 1e+40 1e+6102 -> 1.0000000000000000000000000000000E+6142 Clamped | |
dqmul772 multiply 1e+40 1e+6103 -> 1.00000000000000000000000000000000E+6143 Clamped | |
dqmul773 multiply 1e+40 1e+6104 -> 1.000000000000000000000000000000000E+6144 Clamped | |
dqmul774 multiply 1e+40 1e+6105 -> Infinity Overflow Inexact Rounded | |
dqmul775 multiply 1e+40 1e+6106 -> Infinity Overflow Inexact Rounded | |
dqmul776 multiply 1e+40 1e+6107 -> Infinity Overflow Inexact Rounded | |
dqmul777 multiply 1e+40 1e+6108 -> Infinity Overflow Inexact Rounded | |
dqmul778 multiply 1e+40 1e+6109 -> Infinity Overflow Inexact Rounded | |
dqmul779 multiply 1e+40 1e+6110 -> Infinity Overflow Inexact Rounded | |
dqmul801 multiply 1.0000E-6172 1 -> 1.0000E-6172 Subnormal | |
dqmul802 multiply 1.000E-6172 1e-1 -> 1.000E-6173 Subnormal | |
dqmul803 multiply 1.00E-6172 1e-2 -> 1.00E-6174 Subnormal | |
dqmul804 multiply 1.0E-6172 1e-3 -> 1.0E-6175 Subnormal | |
dqmul805 multiply 1.0E-6172 1e-4 -> 1E-6176 Subnormal Rounded | |
dqmul806 multiply 1.3E-6172 1e-4 -> 1E-6176 Underflow Subnormal Inexact Rounded | |
dqmul807 multiply 1.5E-6172 1e-4 -> 2E-6176 Underflow Subnormal Inexact Rounded | |
dqmul808 multiply 1.7E-6172 1e-4 -> 2E-6176 Underflow Subnormal Inexact Rounded | |
dqmul809 multiply 2.3E-6172 1e-4 -> 2E-6176 Underflow Subnormal Inexact Rounded | |
dqmul810 multiply 2.5E-6172 1e-4 -> 2E-6176 Underflow Subnormal Inexact Rounded | |
dqmul811 multiply 2.7E-6172 1e-4 -> 3E-6176 Underflow Subnormal Inexact Rounded | |
dqmul812 multiply 1.49E-6172 1e-4 -> 1E-6176 Underflow Subnormal Inexact Rounded | |
dqmul813 multiply 1.50E-6172 1e-4 -> 2E-6176 Underflow Subnormal Inexact Rounded | |
dqmul814 multiply 1.51E-6172 1e-4 -> 2E-6176 Underflow Subnormal Inexact Rounded | |
dqmul815 multiply 2.49E-6172 1e-4 -> 2E-6176 Underflow Subnormal Inexact Rounded | |
dqmul816 multiply 2.50E-6172 1e-4 -> 2E-6176 Underflow Subnormal Inexact Rounded | |
dqmul817 multiply 2.51E-6172 1e-4 -> 3E-6176 Underflow Subnormal Inexact Rounded | |
dqmul818 multiply 1E-6172 1e-4 -> 1E-6176 Subnormal | |
dqmul819 multiply 3E-6172 1e-5 -> 0E-6176 Underflow Subnormal Inexact Rounded Clamped | |
dqmul820 multiply 5E-6172 1e-5 -> 0E-6176 Underflow Subnormal Inexact Rounded Clamped | |
dqmul821 multiply 7E-6172 1e-5 -> 1E-6176 Underflow Subnormal Inexact Rounded | |
dqmul822 multiply 9E-6172 1e-5 -> 1E-6176 Underflow Subnormal Inexact Rounded | |
dqmul823 multiply 9.9E-6172 1e-5 -> 1E-6176 Underflow Subnormal Inexact Rounded | |
dqmul824 multiply 1E-6172 -1e-4 -> -1E-6176 Subnormal | |
dqmul825 multiply 3E-6172 -1e-5 -> -0E-6176 Underflow Subnormal Inexact Rounded Clamped | |
dqmul826 multiply -5E-6172 1e-5 -> -0E-6176 Underflow Subnormal Inexact Rounded Clamped | |
dqmul827 multiply 7E-6172 -1e-5 -> -1E-6176 Underflow Subnormal Inexact Rounded | |
dqmul828 multiply -9E-6172 1e-5 -> -1E-6176 Underflow Subnormal Inexact Rounded | |
dqmul829 multiply 9.9E-6172 -1e-5 -> -1E-6176 Underflow Subnormal Inexact Rounded | |
dqmul830 multiply 3.0E-6172 -1e-5 -> -0E-6176 Underflow Subnormal Inexact Rounded Clamped | |
dqmul831 multiply 1.0E-5977 1e-200 -> 0E-6176 Underflow Subnormal Inexact Rounded Clamped | |
dqmul832 multiply 1.0E-5977 1e-199 -> 1E-6176 Subnormal Rounded | |
dqmul833 multiply 1.0E-5977 1e-198 -> 1.0E-6175 Subnormal | |
dqmul834 multiply 2.0E-5977 2e-198 -> 4.0E-6175 Subnormal | |
dqmul835 multiply 4.0E-5977 4e-198 -> 1.60E-6174 Subnormal | |
dqmul836 multiply 10.0E-5977 10e-198 -> 1.000E-6173 Subnormal | |
dqmul837 multiply 30.0E-5977 30e-198 -> 9.000E-6173 Subnormal | |
dqmul838 multiply 40.0E-5982 40e-166 -> 1.6000E-6145 Subnormal | |
dqmul839 multiply 40.0E-5982 40e-165 -> 1.6000E-6144 Subnormal | |
dqmul840 multiply 40.0E-5982 40e-164 -> 1.6000E-6143 | |
-- Long operand overflow may be a different path | |
dqmul870 multiply 100 9.999E+6143 -> Infinity Inexact Overflow Rounded | |
dqmul871 multiply 100 -9.999E+6143 -> -Infinity Inexact Overflow Rounded | |
dqmul872 multiply 9.999E+6143 100 -> Infinity Inexact Overflow Rounded | |
dqmul873 multiply -9.999E+6143 100 -> -Infinity Inexact Overflow Rounded | |
-- check for double-rounded subnormals | |
dqmul881 multiply 1.2347E-6133 1.2347E-40 -> 1.524E-6173 Inexact Rounded Subnormal Underflow | |
dqmul882 multiply 1.234E-6133 1.234E-40 -> 1.523E-6173 Inexact Rounded Subnormal Underflow | |
dqmul883 multiply 1.23E-6133 1.23E-40 -> 1.513E-6173 Inexact Rounded Subnormal Underflow | |
dqmul884 multiply 1.2E-6133 1.2E-40 -> 1.44E-6173 Subnormal | |
dqmul885 multiply 1.2E-6133 1.2E-41 -> 1.44E-6174 Subnormal | |
dqmul886 multiply 1.2E-6133 1.2E-42 -> 1.4E-6175 Subnormal Inexact Rounded Underflow | |
dqmul887 multiply 1.2E-6133 1.3E-42 -> 1.6E-6175 Subnormal Inexact Rounded Underflow | |
dqmul888 multiply 1.3E-6133 1.3E-42 -> 1.7E-6175 Subnormal Inexact Rounded Underflow | |
dqmul889 multiply 1.3E-6133 1.3E-43 -> 2E-6176 Subnormal Inexact Rounded Underflow | |
dqmul890 multiply 1.3E-6134 1.3E-43 -> 0E-6176 Clamped Subnormal Inexact Rounded Underflow | |
dqmul891 multiply 1.2345E-39 1.234E-6133 -> 1.5234E-6172 Inexact Rounded Subnormal Underflow | |
dqmul892 multiply 1.23456E-39 1.234E-6133 -> 1.5234E-6172 Inexact Rounded Subnormal Underflow | |
dqmul893 multiply 1.2345E-40 1.234E-6133 -> 1.523E-6173 Inexact Rounded Subnormal Underflow | |
dqmul894 multiply 1.23456E-40 1.234E-6133 -> 1.523E-6173 Inexact Rounded Subnormal Underflow | |
dqmul895 multiply 1.2345E-41 1.234E-6133 -> 1.52E-6174 Inexact Rounded Subnormal Underflow | |
dqmul896 multiply 1.23456E-41 1.234E-6133 -> 1.52E-6174 Inexact Rounded Subnormal Underflow | |
-- Now explore the case where we get a normal result with Underflow | |
-- prove operands are exact | |
dqmul906 multiply 9.999999999999999999999999999999999E-6143 1 -> 9.999999999999999999999999999999999E-6143 | |
dqmul907 multiply 1 0.09999999999999999999999999999999999 -> 0.09999999999999999999999999999999999 | |
-- the next rounds to Nmin | |
dqmul908 multiply 9.999999999999999999999999999999999E-6143 0.09999999999999999999999999999999999 -> 1.000000000000000000000000000000000E-6143 Underflow Inexact Subnormal Rounded | |
-- hugest | |
dqmul909 multiply 9999999999999999999999999999999999 9999999999999999999999999999999999 -> 9.999999999999999999999999999999998E+67 Inexact Rounded | |
-- VG case | |
dqmul910 multiply 8.81125000000001349436E-1548 8.000000000000000000E-1550 -> 7.049000000000010795488000000000000E-3097 Rounded | |
-- Examples from SQL proposal (Krishna Kulkarni) | |
precision: 34 | |
rounding: half_up | |
maxExponent: 6144 | |
minExponent: -6143 | |
dqmul911 multiply 130E-2 120E-2 -> 1.5600 | |
dqmul912 multiply 130E-2 12E-1 -> 1.560 | |
dqmul913 multiply 130E-2 1E0 -> 1.30 | |
dqmul914 multiply 1E2 1E4 -> 1E+6 | |
-- power-of-ten edge cases | |
dqmul1001 multiply 1 10 -> 10 | |
dqmul1002 multiply 1 100 -> 100 | |
dqmul1003 multiply 1 1000 -> 1000 | |
dqmul1004 multiply 1 10000 -> 10000 | |
dqmul1005 multiply 1 100000 -> 100000 | |
dqmul1006 multiply 1 1000000 -> 1000000 | |
dqmul1007 multiply 1 10000000 -> 10000000 | |
dqmul1008 multiply 1 100000000 -> 100000000 | |
dqmul1009 multiply 1 1000000000 -> 1000000000 | |
dqmul1010 multiply 1 10000000000 -> 10000000000 | |
dqmul1011 multiply 1 100000000000 -> 100000000000 | |
dqmul1012 multiply 1 1000000000000 -> 1000000000000 | |
dqmul1013 multiply 1 10000000000000 -> 10000000000000 | |
dqmul1014 multiply 1 100000000000000 -> 100000000000000 | |
dqmul1015 multiply 1 1000000000000000 -> 1000000000000000 | |
dqmul1016 multiply 1 1000000000000000000 -> 1000000000000000000 | |
dqmul1017 multiply 1 100000000000000000000000000 -> 100000000000000000000000000 | |
dqmul1018 multiply 1 1000000000000000000000000000 -> 1000000000000000000000000000 | |
dqmul1019 multiply 1 10000000000000000000000000000 -> 10000000000000000000000000000 | |
dqmul1020 multiply 1 1000000000000000000000000000000000 -> 1000000000000000000000000000000000 | |
dqmul1021 multiply 10 1 -> 10 | |
dqmul1022 multiply 10 10 -> 100 | |
dqmul1023 multiply 10 100 -> 1000 | |
dqmul1024 multiply 10 1000 -> 10000 | |
dqmul1025 multiply 10 10000 -> 100000 | |
dqmul1026 multiply 10 100000 -> 1000000 | |
dqmul1027 multiply 10 1000000 -> 10000000 | |
dqmul1028 multiply 10 10000000 -> 100000000 | |
dqmul1029 multiply 10 100000000 -> 1000000000 | |
dqmul1030 multiply 10 1000000000 -> 10000000000 | |
dqmul1031 multiply 10 10000000000 -> 100000000000 | |
dqmul1032 multiply 10 100000000000 -> 1000000000000 | |
dqmul1033 multiply 10 1000000000000 -> 10000000000000 | |
dqmul1034 multiply 10 10000000000000 -> 100000000000000 | |
dqmul1035 multiply 10 100000000000000 -> 1000000000000000 | |
dqmul1036 multiply 10 100000000000000000 -> 1000000000000000000 | |
dqmul1037 multiply 10 10000000000000000000000000 -> 100000000000000000000000000 | |
dqmul1038 multiply 10 100000000000000000000000000 -> 1000000000000000000000000000 | |
dqmul1039 multiply 10 1000000000000000000000000000 -> 10000000000000000000000000000 | |
dqmul1040 multiply 10 100000000000000000000000000000000 -> 1000000000000000000000000000000000 | |
dqmul1041 multiply 100 0.1 -> 10.0 | |
dqmul1042 multiply 100 1 -> 100 | |
dqmul1043 multiply 100 10 -> 1000 | |
dqmul1044 multiply 100 100 -> 10000 | |
dqmul1045 multiply 100 1000 -> 100000 | |
dqmul1046 multiply 100 10000 -> 1000000 | |
dqmul1047 multiply 100 100000 -> 10000000 | |
dqmul1048 multiply 100 1000000 -> 100000000 | |
dqmul1049 multiply 100 10000000 -> 1000000000 | |
dqmul1050 multiply 100 100000000 -> 10000000000 | |
dqmul1051 multiply 100 1000000000 -> 100000000000 | |
dqmul1052 multiply 100 10000000000 -> 1000000000000 | |
dqmul1053 multiply 100 100000000000 -> 10000000000000 | |
dqmul1054 multiply 100 1000000000000 -> 100000000000000 | |
dqmul1055 multiply 100 10000000000000 -> 1000000000000000 | |
dqmul1056 multiply 100 10000000000000000 -> 1000000000000000000 | |
dqmul1057 multiply 100 1000000000000000000000000 -> 100000000000000000000000000 | |
dqmul1058 multiply 100 10000000000000000000000000 -> 1000000000000000000000000000 | |
dqmul1059 multiply 100 100000000000000000000000000 -> 10000000000000000000000000000 | |
dqmul1060 multiply 100 10000000000000000000000000000000 -> 1000000000000000000000000000000000 | |
dqmul1061 multiply 1000 0.01 -> 10.00 | |
dqmul1062 multiply 1000 0.1 -> 100.0 | |
dqmul1063 multiply 1000 1 -> 1000 | |
dqmul1064 multiply 1000 10 -> 10000 | |
dqmul1065 multiply 1000 100 -> 100000 | |
dqmul1066 multiply 1000 1000 -> 1000000 | |
dqmul1067 multiply 1000 10000 -> 10000000 | |
dqmul1068 multiply 1000 100000 -> 100000000 | |
dqmul1069 multiply 1000 1000000 -> 1000000000 | |
dqmul1070 multiply 1000 10000000 -> 10000000000 | |
dqmul1071 multiply 1000 100000000 -> 100000000000 | |
dqmul1072 multiply 1000 1000000000 -> 1000000000000 | |
dqmul1073 multiply 1000 10000000000 -> 10000000000000 | |
dqmul1074 multiply 1000 100000000000 -> 100000000000000 | |
dqmul1075 multiply 1000 1000000000000 -> 1000000000000000 | |
dqmul1076 multiply 1000 1000000000000000 -> 1000000000000000000 | |
dqmul1077 multiply 1000 100000000000000000000000 -> 100000000000000000000000000 | |
dqmul1078 multiply 1000 1000000000000000000000000 -> 1000000000000000000000000000 | |
dqmul1079 multiply 1000 10000000000000000000000000 -> 10000000000000000000000000000 | |
dqmul1080 multiply 1000 1000000000000000000000000000000 -> 1000000000000000000000000000000000 | |
dqmul1081 multiply 10000 0.001 -> 10.000 | |
dqmul1082 multiply 10000 0.01 -> 100.00 | |
dqmul1083 multiply 10000 0.1 -> 1000.0 | |
dqmul1084 multiply 10000 1 -> 10000 | |
dqmul1085 multiply 10000 10 -> 100000 | |
dqmul1086 multiply 10000 100 -> 1000000 | |
dqmul1087 multiply 10000 1000 -> 10000000 | |
dqmul1088 multiply 10000 10000 -> 100000000 | |
dqmul1089 multiply 10000 100000 -> 1000000000 | |
dqmul1090 multiply 10000 1000000 -> 10000000000 | |
dqmul1091 multiply 10000 10000000 -> 100000000000 | |
dqmul1092 multiply 10000 100000000 -> 1000000000000 | |
dqmul1093 multiply 10000 1000000000 -> 10000000000000 | |
dqmul1094 multiply 10000 10000000000 -> 100000000000000 | |
dqmul1095 multiply 10000 100000000000 -> 1000000000000000 | |
dqmul1096 multiply 10000 100000000000000 -> 1000000000000000000 | |
dqmul1097 multiply 10000 10000000000000000000000 -> 100000000000000000000000000 | |
dqmul1098 multiply 10000 100000000000000000000000 -> 1000000000000000000000000000 | |
dqmul1099 multiply 10000 1000000000000000000000000 -> 10000000000000000000000000000 | |
dqmul1100 multiply 10000 100000000000000000000000000000 -> 1000000000000000000000000000000000 | |
dqmul1107 multiply 10000 99999999999 -> 999999999990000 | |
dqmul1108 multiply 10000 99999999999 -> 999999999990000 | |
-- Null tests | |
dqmul9990 multiply 10 # -> NaN Invalid_operation | |
dqmul9991 multiply # 10 -> NaN Invalid_operation | |