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Groups > comp.lang.c++ > #81790
| From | James Kuyper <jameskuyper@alumni.caltech.edu> |
|---|---|
| Newsgroups | comp.lang.c++ |
| Subject | Re: How to get mantissa of long double? |
| Date | 2021-10-02 14:57 -0400 |
| Organization | A noiseless patient Spider |
| Message-ID | <sjaa2v$5vq$1@dont-email.me> (permalink) |
| References | (3 earlier) <OhP5J.60529$2B4.27684@fx04.iad> <f12d47d0-beec-7094-cfd2-970aa0de4464@alumni.caltech.edu> <8A10727B-87FC-4DED-9788-1C4D29C3C048@icloud.com> <sj8s9l$gg7$1@dont-email.me> <YXW5J.79377$VZ1.39277@fx08.iad> |
On 10/2/21 6:59 AM, Branimir Maksimovic wrote:
> On 2021-10-02, James Kuyper <jameskuyper@alumni.caltech.edu> wrote:
>> I accidentally sent this message first to Branimir by e-mail, and he
>>
>> No, that is not the answer. If max did have a value small enough to make
>> the conversion to long long have defined behavior, the result of that
>> conversion would be the truncated value itself (7.3.10p1), NOT the
>> mantissa of the truncated value. What makes you think otherwise?
> Because mantissa is whole part of floating point number?
Well, at least I'm clear now about what your confusion is. I'll give you
an answer in two parts:
1. The mantissa of a floating point number (also called the significand,
which is the term used in the C standard in text that is incorporated by
reference into the C++ standard) is something quite different from the
whole part of that number. See
<https://en.m.wikipedia.org/wiki/Significand> for details.
2. When a floating point number is greater than LLONG_MAX+1.0, the code
you provided has undefined behavior. That makes sense, since a long long
object cannot represent the whole part of such a number. The actual
behavior can vary from one implementation to another, but on my system,
it does NOT contain the mantissa, either.
Consider the following program:
#include <iostream>
int main(void)
{
typedef long double FType;
FType max= std::numeric_limits<FType>::max();
FType large = 0xA.BCDEF0123456789p+16380L;
FType middling = 0xABCDEF01.23456789p0L;
long long maxll = max;
long long largell = large;
long long middlingll = middling;
std::cout << std::fixed << "max: " << max << std::endl;
std::cout << "large: " << large << std::endl;
std::cout << "middling: " << middling << std::endl;
std::cout << "maxll: " << maxll << std::endl;
std::cout << "largell: " << largell << std::endl;
std::cout << "middlingll: " << middlingll << std::endl;
std::cout << std::hexfloat << std::showbase << std::showpoint <<
std::hex << "max: " << max << std::endl;
std::cout << "large: " << large << std::endl;
std::cout << "middling: " << middling << std::endl;
std::cout << "maxll: " << maxll << std::endl;
std::cout << "largell: " << largell << std::endl;
std::cout << "middlingll: " << middlingll << std::endl;
}
The output from that program on my system is:
max:
1189731495357231765021263853030970205169063322294624200440323733891737005522970722616410290336528882853545697807495577314427443153670288434198125573853743678673593200706973263201915918282961524365529510646791086614311790632169778838896134786560600399148753433211454911160088679845154866512852340149773037600009125479393966223151383622417838542743917838138717805889487540575168226347659235576974805113725649020884855222494791399377585026011773549180099796226026859508558883608159846900235645132346594476384939859276456284579661772930407806609229102715046085388087959327781622986827547830768080040150694942303411728957777100335714010559775242124057347007386251660110828379119623008469277200965153500208474470792443848545912886723000619085126472111951361467527633519562927597957250278002980795904193139603021470997035276467445530922022679656280991498232083329641241038509239184734786121921697210543484287048353408113042573002216421348917347174234800714880751002064390517234247656004721768096486107994943415703476320643558624207443504424380566136017608837478165389027809576975977286860071487028287955567141404632615832623602762896316173978484254486860609948270867968048078702511858930838546584223040908805996294594586201903766048446790926002225410530775901065760671347200125846406957030257138960983757998926954553052368560758683179223113639519468850880771872104705203957587480013143131444254943919940175753169339392366881856189129931729104252921236835159922322050998001677102784035360140829296398115122877768135706045789343535451696539561254048846447169786893211671087229088082778350518228857646062218739702851655083720992349483334435228984751232753726636066213902281264706234075352071724058665079518217303463782631353393706774901950197841690441824738063162828586857741432581165364040218402724913393320949219498422442730427019873044536620350262386957804682003601447291997123095530057206141866974852846856186514832715974481203121946751686379343096189615107330065552421485195201762858595091051839472502863871632494167613804996319791441870254302706758495192008837915169401581740046711477877201459644461175204059453504764721807975761111720846273639279600339670470037613374509553184150073796412605047923251661354841291884211340823015473304754067072818763503617332908005951896325207071673904547777129682265206225651439919376804400292380903112437912614776255964694221981375146967079446870358004392507659451618379811859392049544036114915310782251072691486979809240946772142727012404377187409216756613634938900451232351668146089322400697993176017805338191849981933008410985993938760292601390911414526003720284872132411955424282101831204216104467404621635336900583664606591156298764745525068145003932941404131495400677602951005962253022823003631473824681059648442441324864573137437595096416168048024129351876204668135636877532814675538798871771836512893947195335061885003267607354388673368002074387849657014576090349857571243045102038730494854256702479339322809110526041538528994849203991091946129912491633289917998094380337879522093131466946149705939664152375949285890960489916121944989986384837022486672249148924678410206183364627416969576307632480235587975245253737035433882960862753427740016333434055083537048507374544819754722228975281083020898682633020285259923084168054539687911418297629988964576482765287504562854924265165217750799516259669229114977788962356670956627138482018191348321687995863652637620978285070099337294396784639879024914514222742527006363942327998483976739987154418554201562244154926653014515504685489258620276085761837129763358761215382565129633538141663949516556000264159186554850057052611431952919918807954522394649627635630178580896692226406235382898535867595990647008385687123810329591926494846250768992258419305480763620215089022149220528069842018350840586938493815498909445461977893029113576516775406232278298314033473276603952231603422824717528181818844304880921321933550869873395861276073670866652375555675803171490108477320096424318780070008797346032906278943553743564448851907191616455141155761939399690767415156402826543664026760095087523945507341556135867933066031744720924446513532366647649735400851967040771103640538150073486891798364049570606189535005089840913826869535090066783324472578712196604415284924840041850932811908963634175739897166596000759487800619164094854338758520657116541072260996288150123144377944008749301944744330784388995701842710004808305012177123560622895076269042856800047718893158089358515593863176652948089031267747029662545110861548958395087796755464137944895960527975209874813839762578592105756284401759349324162148339565350189196811389091843795734703269406342890087805846940352453479398080674273236297887100867175802531561302356064878709259865288416350972529537091114317204887747405539054009425375424119317944175137064689643861517718849867010341532542385911089624710885385808688837777258648564145934262121086647588489260031762345960769508849149662444156604419552086811989770240.000000
large:
798441950131984170628030460666810333557348275190265576078984094186809314595841573532599033606882733242214503184515646114757854809285221996356228289554376635019344753920776702760669187940817514531317086140383510733112508649664623633139528050777110074618005617509580146833305060924324246754342390819803294975489244294690457181615916380846787220310100995994303945777913450178570581981686198498193907782547173273698279385392870067122516401380661309429194377571288675510592121362933128690216937551164723903033967732288194633304806974443077506079764506140348104093213176088240569763532433031309628120758051299847190906531282735560740981504351645262405988024022915769015155291537373039452757287714224413271925722965109196412960233450108997556205354431107378518341642987291604090752426939027264213019440145124490661477726747318914574881469961518134515108880857245240185572718139826633083153405462806445652888413410638188733734515336089461690188769941296000310237908472871534924022605781553137758150233789260358532907145882036161660126945661711839735421711825178177760957818009605928677177600206353608487447867000007661334384127783042012294562593528684725810884617737609254169149626757295679706675640253674305137724007576430362146351195481618750152400954313053997866464669799426096587456831642162987414724896100262164539763660362382092573961783134501772282908098290593289630152876770300417744973458556470142688766464671575130409003788303712422629946652772747989412570452719563049061781235816001067752251851519827096684941366242307880857459992859988995242358876699073496204946189012116094636726007751024562501070868616158003530658455857341162526439165492140517609950096619412732907944896057390196270057177242728156339638540867610924105857412556444579107776816889674631366413677833047161379884532164198993276772896425495083000505555449504361780772635099950677280195245017300352256591786535445649376601829488196382898175912034787015428923592784580276113369666903167358253633530441611097653596975461248061662339365488473119600829523500459203619456964603129018988931194328288813647101701632839512858929869478394804296698394260954809692417234406205371106893496236967789991565505735586236384677950809842953217931584749260769959701438782478571501334539385640439880396793372493213016627745357811930479029023541095769455142488296966879072936425173785823423491784831896194556031386766634408387982622337724480135007299914446877152530780342928097086987514633283924856437263144768383859171111988014305350935374816502702333251093923757732462792355307789905174719099488759733393438698689634230361403084258533397265120127568961174111327297320782260488730893216700453978837717137622769084406167566152759623181706028976375164646094475146647369281575972522853549552541720923007665948643646011282736873309526428963407898352464481165847664515121092198236329555997024089181776782273133008347683849048553390800664712980340475996260480072720565715887831207483955807832767939883392425546385536716077432630898214899484281107511073792175413829068138175373955787942264464985983774969783604562637885180871016551868231242254625289486930794202391413454134460390851822972288028367994924347840148793791361918282891665866879658491796934476927641493412928958649240130825652229115711491817767450106062789615541320400721098889852085898259254162735307793046490526388026316295280894798927076625172952033631816193510840287691268927294098058192308372212486275935018916579164964951401297805003291270040660302706760922674620757844937737189874735833048611876587062084398065184497992254250923170482005379707778025178444614040206924597320627466243597003790395509022310055565959173599974814957486832121747812898110468472757711344935141581619768179027277300745026178548690842027389022573413486719086424376549995531862953495262810743844967518912745788410885417320073667346399372144729172804316265474393461925206370016332837493346298714231599348699028709728862988664452830290361646545475793248617512310081372368799772054350231317371686452672996009981551057400080425522396446487229356262303917938229664789869208363238136397068893440807223464451417926302339445880535875195702287684615206433710292963594791392187167500246785808792158380039590563187800668321919054700778993223664127005039562879931963775644174414234242371897053417500956186032208506564827824530909432144378661326313617577661894233125412875713957392594237250272900479523399925200381753270457862573831453382693219682510773999798436059405397109340096099851440470543315842651194313580726690246948309173037070102422697928865543593593980166075781220064584748135949528803322043763798528128793152883647487108192854012453988821565817611465474933891481140768062268834838833326673555808237357184051468989117126978502141404852191804301542607646946130977410809967278476698460181222465259056386246982267558528987894457868410385101006422099287064483189598631389250604017773829174392421160930626885766469862665970968575978122938895191153280286720.000000
middling: 2882400001.137778
maxll: 9223372036854775807
largell: 9223372036854775807
middlingll: 2882400001
max: 0xf.fffffffffffffffp+16380
large: 0xa.bcdef0123456789p+16380
middling: 0xa.bcdef0123456789p+28
maxll: 0x7fffffffffffffff
largell: 0x7fffffffffffffff
middlingll: 0xabcdef01
I'll use hexadecimal notation in the following comments:
The whole part of "max" has the same value as "max" itself. The same is
true of "large". The whole part of middling is 0xABCDEF01. The
fractional part of middling is 0x0.23456789.
The mantissas are as follows:
max: 0xffffffffffffffff
large: 0xabcdef0123456789
middling: 0xabcdef0123456789
The values stored in "maxll" and "largell" do not match either the whole
part or the mantissa of the corresponding floating point number. Because
"middling" is the only one of the three long double values that is
smaller than LLONG_MAX, the value stored in middlingll is the whole part
of "middling", as it should be, but is quite different from the mantissa
of "middling".
Back to comp.lang.c++ | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread
How to get mantissa of long double? wij <wyniijj@gmail.com> - 2021-10-01 08:37 -0700
Re: How to get mantissa of long double? RadicalRabbit@theburrow.co.uk - 2021-10-01 16:09 +0000
Re: How to get mantissa of long double? James Kuyper <jameskuyper@alumni.caltech.edu> - 2021-10-01 14:05 -0400
Re: How to get mantissa of long double? wij <wyniijj@gmail.com> - 2021-10-01 17:23 -0700
Re: How to get mantissa of long double? Manfred <noname@add.invalid> - 2021-10-02 18:58 +0200
Re: How to get mantissa of long double? Manfred <noname@add.invalid> - 2021-10-02 19:21 +0200
Re: How to get mantissa of long double? Bonita Montero <Bonita.Montero@gmail.com> - 2021-10-01 19:18 +0200
Re: How to get mantissa of long double? Bonita Montero <Bonita.Montero@gmail.com> - 2021-10-01 19:20 +0200
Re: How to get mantissa of long double? Bonita Montero <Bonita.Montero@gmail.com> - 2021-10-01 19:25 +0200
Re: How to get mantissa of long double? Bonita Montero <Bonita.Montero@gmail.com> - 2021-10-01 19:53 +0200
Re: How to get mantissa of long double? Bonita Montero <Bonita.Montero@gmail.com> - 2021-10-03 08:09 +0200
Re: How to get mantissa of long double? Bart <bc@freeuk.com> - 2021-10-03 11:15 +0100
Re: How to get mantissa of long double? Bonita Montero <Bonita.Montero@gmail.com> - 2021-10-03 12:19 +0200
Re: How to get mantissa of long double? red floyd <no.spam@its.invalid> - 2021-10-03 18:03 -0700
Re: How to get mantissa of long double? David Brown <david.brown@hesbynett.no> - 2021-10-04 09:52 +0200
Re: How to get mantissa of long double? Juha Nieminen <nospam@thanks.invalid> - 2021-10-04 09:59 +0000
Re: How to get mantissa of long double? Bonita Montero <Bonita.Montero@gmail.com> - 2021-10-04 13:50 +0200
Re: How to get mantissa of long double? David Brown <david.brown@hesbynett.no> - 2021-10-04 20:04 +0200
Re: How to get mantissa of long double? Bonita Montero <Bonita.Montero@gmail.com> - 2021-10-05 07:12 +0200
Re: How to get mantissa of long double? David Brown <david.brown@hesbynett.no> - 2021-10-05 09:47 +0200
Re: How to get mantissa of long double? Bonita Montero <Bonita.Montero@gmail.com> - 2021-10-05 16:46 +0200
Re: How to get mantissa of long double? David Brown <david.brown@hesbynett.no> - 2021-10-05 19:04 +0200
Re: How to get mantissa of long double? Bonita Montero <Bonita.Montero@gmail.com> - 2021-10-05 19:13 +0200
Re: How to get mantissa of long double? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2021-10-05 09:04 -0700
Re: How to get mantissa of long double? Bonita Montero <Bonita.Montero@gmail.com> - 2021-10-05 19:14 +0200
Re: How to get mantissa of long double? Bart <bc@freeuk.com> - 2021-10-05 19:21 +0100
Re: How to get mantissa of long double? Bonita Montero <Bonita.Montero@gmail.com> - 2021-10-06 07:58 +0200
Re: How to get mantissa of long double? David Brown <david.brown@hesbynett.no> - 2021-10-06 08:11 +0200
Re: How to get mantissa of long double? Bonita Montero <Bonita.Montero@gmail.com> - 2021-10-06 10:25 +0200
Re: How to get mantissa of long double? scott@slp53.sl.home (Scott Lurndal) - 2021-10-06 14:25 +0000
Re: How to get mantissa of long double? Bonita Montero <Bonita.Montero@gmail.com> - 2021-10-06 16:53 +0200
Re: How to get mantissa of long double? Bart <bc@freeuk.com> - 2021-10-06 12:12 +0100
Re: How to get mantissa of long double? Bonita Montero <Bonita.Montero@gmail.com> - 2021-10-06 14:48 +0200
Re: How to get mantissa of long double? red floyd <no.spam.here@its.invalid> - 2021-10-06 09:44 -0700
Re: How to get mantissa of long double? Bonita Montero <Bonita.Montero@gmail.com> - 2021-10-06 18:52 +0200
Re: How to get mantissa of long double? Bonita Montero <Bonita.Montero@gmail.com> - 2021-10-06 19:02 +0200
Re: How to get mantissa of long double? Juha Nieminen <nospam@thanks.invalid> - 2021-10-07 05:35 +0000
Re: How to get mantissa of long double? David Brown <david.brown@hesbynett.no> - 2021-10-07 08:20 +0200
Re: How to get mantissa of long double? Bonita Montero <Bonita.Montero@gmail.com> - 2021-10-07 08:38 +0200
Re: How to get mantissa of long double? Bonita Montero <Bonita.Montero@gmail.com> - 2021-10-07 08:42 +0200
Re: How to get mantissa of long double? David Brown <david.brown@hesbynett.no> - 2021-10-07 10:23 +0200
Re: How to get mantissa of long double? Bonita Montero <Bonita.Montero@gmail.com> - 2021-10-08 20:23 +0200
Re: How to get mantissa of long double? David Brown <david.brown@hesbynett.no> - 2021-10-09 10:23 +0200
Re: How to get mantissa of long double? Bonita Montero <Bonita.Montero@gmail.com> - 2021-10-09 10:50 +0200
Re: How to get mantissa of long double? Branimir Maksimovic <branimir.maksimovic@icloud.com> - 2021-10-09 09:02 +0000
Re: How to get mantissa of long double? scott@slp53.sl.home (Scott Lurndal) - 2021-10-09 14:57 +0000
Re: How to get mantissa of long double? Bart <bc@freeuk.com> - 2021-10-09 12:16 +0100
Re: How to get mantissa of long double? David Brown <david.brown@hesbynett.no> - 2021-10-09 15:10 +0200
Re: How to get mantissa of long double? red floyd <no.spam.here@its.invalid> - 2021-10-09 10:26 -0700
Re: How to get mantissa of long double? Vir Campestris <vir.campestris@invalid.invalid> - 2021-10-12 21:23 +0100
Re: How to get mantissa of long double? RadicalRabbit@theburrow.co.uk - 2021-10-13 10:30 +0000
Re: How to get mantissa of long double? Bonita Montero <Bonita.Montero@gmail.com> - 2021-10-07 08:38 +0200
Re: How to get mantissa of long double? Juha Nieminen <nospam@thanks.invalid> - 2021-10-08 04:37 +0000
Re: How to get mantissa of long double? Bonita Montero <Bonita.Montero@gmail.com> - 2021-10-08 07:54 +0200
Re: How to get mantissa of long double? red floyd <no.spam.here@its.invalid> - 2021-10-07 22:44 -0700
Re: How to get mantissa of long double? David Brown <david.brown@hesbynett.no> - 2021-10-07 08:17 +0200
Re: How to get mantissa of long double? Juha Nieminen <nospam@thanks.invalid> - 2021-10-08 04:39 +0000
Re: How to get mantissa of long double? David Brown <david.brown@hesbynett.no> - 2021-10-08 09:25 +0200
Re: How to get mantissa of long double? scott@slp53.sl.home (Scott Lurndal) - 2021-10-08 14:34 +0000
Re: How to get mantissa of long double? "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2021-10-06 13:57 -0700
Re: How to get mantissa of long double? Branimir Maksimovic <branimir.maksimovic@icloud.com> - 2021-10-05 19:34 +0000
Re: How to get mantissa of long double? Branimir Maksimovic <branimir.maksimovic@icloud.com> - 2021-10-05 19:33 +0000
Re: How to get mantissa of long double? Branimir Maksimovic <branimir.maksimovic@icloud.com> - 2021-10-05 10:19 +0000
Re: How to get mantissa of long double? Bart <bc@freeuk.com> - 2021-10-04 14:06 +0100
Re: How to get mantissa of long double? Bonita Montero <Bonita.Montero@gmail.com> - 2021-10-04 16:12 +0200
Re: How to get mantissa of long double? Branimir Maksimovic <branimir.maksimovic@icloud.com> - 2021-10-04 16:15 +0000
Re: How to get mantissa of long double? Branimir Maksimovic <branimir.maksimovic@icloud.com> - 2021-10-04 16:15 +0000
Re: How to get mantissa of long double? David Brown <david.brown@hesbynett.no> - 2021-10-05 09:48 +0200
Re: How to get mantissa of long double? Juha Nieminen <nospam@thanks.invalid> - 2021-10-05 05:19 +0000
Re: How to get mantissa of long double? David Brown <david.brown@hesbynett.no> - 2021-10-05 10:00 +0200
Re: How to get mantissa of long double? Bonita Montero <Bonita.Montero@gmail.com> - 2021-10-05 16:47 +0200
Re: How to get mantissa of long double? scott@slp53.sl.home (Scott Lurndal) - 2021-10-04 14:37 +0000
Re: How to get mantissa of long double? Bonita Montero <Bonita.Montero@gmail.com> - 2021-10-04 16:53 +0200
Re: How to get mantissa of long double? scott@slp53.sl.home (Scott Lurndal) - 2021-10-04 17:08 +0000
Re: How to get mantissa of long double? Bart <bc@freeuk.com> - 2021-10-04 20:22 +0100
Re: How to get mantissa of long double? Bart <bc@freeuk.com> - 2021-10-01 19:09 +0100
Re: How to get mantissa of long double? Bonita Montero <Bonita.Montero@gmail.com> - 2021-10-01 20:16 +0200
Re: How to get mantissa of long double? Branimir Maksimovic <branimir.maksimovic@icloud.com> - 2021-10-01 18:53 +0000
Re: How to get mantissa of long double? James Kuyper <jameskuyper@alumni.caltech.edu> - 2021-10-01 20:19 -0400
Re: How to get mantissa of long double? Branimir Maksimovic <branimir.maksimovic@icloud.com> - 2021-10-02 02:16 +0000
Re: How to get mantissa of long double? James Kuyper <jameskuyper@alumni.caltech.edu> - 2021-10-02 01:28 -0400
Re: How to get mantissa of long double? James Kuyper <jameskuyper@alumni.caltech.edu> - 2021-10-02 01:56 -0400
Re: How to get mantissa of long double? Branimir Maksimovic <branimir.maksimovic@icloud.com> - 2021-10-02 10:59 +0000
Re: How to get mantissa of long double? James Kuyper <jameskuyper@alumni.caltech.edu> - 2021-10-02 14:57 -0400
Re: How to get mantissa of long double? James Kuyper <jameskuyper@alumni.caltech.edu> - 2021-10-02 15:37 -0400
Re: How to get mantissa of long double? Branimir Maksimovic <branimir.maksimovic@icloud.com> - 2021-10-03 00:47 +0000
Re: How to get mantissa of long double? James Kuyper <jameskuyper@alumni.caltech.edu> - 2021-10-03 23:42 -0400
Re: How to get mantissa of long double? Branimir Maksimovic <branimir.maksimovic@icloud.com> - 2021-10-04 04:35 +0000
Re: How to get mantissa of long double? Bonita Montero <Bonita.Montero@gmail.com> - 2021-10-02 12:09 +0200
Re: How to get mantissa of long double? "Alf P. Steinbach" <alf.p.steinbach@gmail.com> - 2021-10-02 21:00 +0200
Re: How to get mantissa of long double? James Kuyper <jameskuyper@alumni.caltech.edu> - 2021-10-02 15:12 -0400
Re: How to get mantissa of long double? "Alf P. Steinbach" <alf.p.steinbach@gmail.com> - 2021-10-02 21:23 +0200
Re: How to get mantissa of long double? "Alf P. Steinbach" <alf.p.steinbach@gmail.com> - 2021-10-02 21:27 +0200
Re: How to get mantissa of long double? Manfred <noname@add.invalid> - 2021-10-02 23:19 +0200
Re: How to get mantissa of long double? James Kuyper <jameskuyper@alumni.caltech.edu> - 2021-10-03 23:43 -0400
Re: How to get mantissa of long double? Branimir Maksimovic <branimir.maksimovic@icloud.com> - 2021-10-03 00:45 +0000
Re: How to get mantissa of long double? James Kuyper <jameskuyper@alumni.caltech.edu> - 2021-10-03 23:31 -0400
Re: How to get mantissa of long double? Branimir Maksimovic <branimir.maksimovic@icloud.com> - 2021-10-04 04:34 +0000
Re: How to get mantissa of long double? James Kuyper <jameskuyper@alumni.caltech.edu> - 2021-10-04 11:30 -0400
Re: How to get mantissa of long double? Branimir Maksimovic <branimir.maksimovic@icloud.com> - 2021-10-04 16:19 +0000
Re: How to get mantissa of long double? wij <wyniijj@gmail.com> - 2021-10-03 00:35 -0700
Re: How to get mantissa of long double? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2021-10-03 15:02 +0100
Re: How to get mantissa of long double? wij <wyniijj@gmail.com> - 2021-10-03 18:46 -0700
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