Miguel Barao <[EMAIL PROTECTED]> (Thu, 27 Oct 2005 15:24:54 +0100): > The answer is in 'man signbit'. > > signbit is probably just ANDing your float value with 2^31=0x80000000 which > reads -2147483648 if considered as a signed int (like in your printf).
Yes. The manpage doesn't say it returns 1, but it returns non-zero. -2147483648 is non-zero. You need to check if the value is !0, not if the value is 1. By the way, this holds for many boolean functions. Regards. ----- Get my public key via GnuPG with one of: gpg --keyserver subkeys.pgp.net --recv-keys CE402012 gpg --keyserver ldap://keyserver.pgp.com/ --recv-keys CE402012 Or via web-based keyserver: http://www.keyserver.de/ Key fingerprint: 0F12 0912 DFC8 2FC5 E2B8 A23E 6BAC 998E CE40 2012
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