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On Thu, Oct 31, 2002 at 08:58:28AM -0700, Liberty Young wrote:
> gcc -Wall -D_GNU_SOURCE -D_ISOC99_SOURCE foo.c -o foo

Add "-lm" somewhere on that line so that you link against the math
library.  Yes, you included math.h, but the linker won't know to link it
against the math library unless you tell it to do so.

--=20
Bill Jonas    *    bill@billjonas.com    *    http://www.billjonas.com/
"They that can give up  essential  liberty to obtain a little temporary
safety deserve neither liberty nor safety."        -- Benjamin Franklin

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