Author: Robert Hyatt
Date: 09:06:00 06/07/04
Go up one level in this thread
On June 07, 2004 at 10:40:09, Fabien Letouzey wrote: >On June 07, 2004 at 10:36:58, Vincent Diepeveen wrote: > >>On June 07, 2004 at 10:30:50, Fabien Letouzey wrote: > >>r = 1<<36; // works for good compilers not for the rest > >Hm, my understanding is that first "1<<36" should be calculated (so it's 0 if >sizeof(int) <= 4) and *then* cast into r's type (oops, too late). > >Fabien. That is correct... cast the constant or get the wrong answer. :) I don't know of _any_ compiler that will do that automatically unless the whole thing is a 64 bit only configuration such as an alpha with DECs compiler. A cray gets it right too, but because ints are 64 bits to start with there...
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