From -2737333894391004546 X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 109fba,9a5d91576ea14293 X-Google-Attributes: gid109fba,public X-Google-Thread: f78e5,42ca30940288d269 X-Google-Attributes: gidf78e5,public X-Google-ArrivalTime: 1992-03-02 12:02:05 PST Xref: sparky comp.lang.c++:5496 comp.std.c++:262 Path: sparky!uunet!spool.mu.edu!agate!forney.berkeley.edu!jbuck From: jbuck@forney.berkeley.edu (Joe Buck) Newsgroups: comp.lang.c++,comp.std.c++ Subject: Re: X to the Y power, how? Message-ID: Date: 2 Mar 92 19:54:31 GMT Article-I.D.: agate.ou15nINNcqb References: <22292@alice.att.com> <1992Feb28.223749.2358@wdl.loral.com> Organization: University of California, Berkeley Lines: 12 NNTP-Posting-Host: forney.berkeley.edu In article <1992Feb28.223749.2358@wdl.loral.com> mab@wdl39.wdl.loral.com (Mark A Biggar) writes: > [ commenting on my proposal ] >Why is (-2.0)@-2 undefined. Isn't it equal to -0.25? >I thought there was a problem only with fractional exponents of negitive >numbers not negitive integral exponents. You are correct; the restriction is an error. The negative exponent is only a problem when both arguments are integers, because the result is not in the range space of the function (non-integral). -- Joe Buck jbuck@ohm.berkeley.edu