NAN(3) BSD Programmer's Manual NAN(3)
nan, nanf - return quiet NaN
#include <math.h> double nan(const char *tagp); float nanf(const char *tagp);
The call nan(, n-char-sequence"") is equivalent to the call strod(, NAN(n-char-sequence)"", NULL). The call nan(, "") is equivalent to the call strod(, NAN()"", NULL). The nanf() function is equivalent to nan() but substituting strtof().
The nan() and nanf() functions return a quiet NaN as specified by tagp.
The nan() and nanf() functions return zero.
The nan() and nanf() functions conform to ISO/IEC 9899:1999 ("ISO C99"). MirOS BSD #10-current February 9, 2014 1
Generated on 2015-07-19 22:36:15 by $MirOS: src/scripts/roff2htm,v 1.80 2015/01/02 13:54:19 tg Exp $
These manual pages and other documentation are copyrighted by their respective writers;
their source is available at our CVSweb,
AnonCVS, and other mirrors. The rest is Copyright © 2002–2015 The MirOS Project, Germany.
This product includes material provided by Thorsten Glaser.
This manual page’s HTML representation is supposed to be valid XHTML/1.1; if not, please send a bug report – diffs preferred.