Xref: news2.mv.net comp.lang.c:54265 comp.lang.c++:69753 comp.os.msdos.djgpp:632 gnu.g++.help:4410 gnu.gcc.help:5625 From: Erik Max Francis Newsgroups: comp.lang.c,comp.lang.c++,gnu.gcc.help,gnu.g++.help,comp.os.msdos.djgpp Subject: Re: float != float and floats as return types Date: Mon, 29 Jan 1996 14:43:40 -0800 Organization: &tSftDotIotE Lines: 20 Message-ID: <310D4D9C.7DAB2E1B@alcyone.com> References: <4ej9lb$mpc AT fu-berlin DOT de> NNTP-Posting-Host: newton.alcyone.com To: djgpp AT delorie DOT com DJ-Gateway: from newsgroup comp.os.msdos.djgpp Axel Thimm wrote: > At first I thought all numbers should be zeros. The middle column might > not be zero, if the compiler calculates in higher precision than what > the variables are, so an intermediate storage (b) might loose some > digits, but I cannot understand what happens with c! Both times a > function is called, that _is_not_ inlined, so in both cases the same > loss of digits should be observed. > Any ideas? I don't understand what you find surprising. Both the second and third column have the same computation, except that in one of the x^2 function is inlined and in the other it is called through a function. In either case, you get exactly the same value. What is the objection? -- Erik Max Francis, &tSftDotIotE. && max AT alcyone DOT darkside DOT com || max AT alcyone DOT com San Jose, California, U.S.A. && 37 20 07 N 121 53 38 W && the 4th R is respect H.3`S,3,P,3$S,#$Q,C`Q,3,P,3$S,#$Q,3`Q,3,P,C$Q,#(Q.#`-"C`- && 1love && folasade Omnia quia sunt, lumina sunt. && GIGO Omega Psi && http://www.alcyone.com/max/ "Out from his breast/his soul went to seek/the doom of the just." -- _Beowulf_