opendarwin man page for nan

Query: nan

OS: opendarwin

Section: 3

Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar

NAN(3)							   BSD Library Functions Manual 						    NAN(3)

NAME
nan -- generate a quiet NaN
SYNOPSIS
#include <math.h> double nan(const char *tagp); float nanf(const char *tagp);
DESCRIPTION
The nan() and nanf() functions return a quiet NaN. The character string tagp is converted to an integer, which is clipped to the range 0 to 255, inclusive. This value is used as the NaN code. The NaN code is placed in the 8th through 15th most significant bits of the fraction field of the resulting NaN.
SPECIAL VALUES
If tagp is empty, 0 is used for the NaN code.
STANDARDS
The nan() and nanf functions conform to ISO/IEC 9899:1999(E).
BSD
July 24, 2003 BSD
Related Man Pages
nanl(3) - linux
nan(3) - freebsd
nanf(3) - debian
nan(3m) - opensolaris
nanf(3) - freebsd
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