finite(3) - NetBSD Manual Pages

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FINITE(3)               NetBSD Library Functions Manual              FINITE(3)


NAME
finite, finitef -- tests for finite values
LIBRARY
Math Library (libm, -lm)
SYNOPSIS
#include <math.h> int finite(double x); int finitef(float x);
DESCRIPTION
The finite() function returns the value 1 when -infinity < x < +infinity. Otherwise a zero is returned (that is, |x| = infinity or x is NaN).
SEE ALSO
isfinite(3), math(3)
STANDARDS
The described functions conform to IEEE Std 754-1985. Note that unlike isfinite(3), neither function is present in the ISO C-language standards or in the IEEE POSIX standards.
HISTORY
The finite and finitef() functions first appeared in 4.3BSD. NetBSD 9.2 July 28, 2011 NetBSD 9.2
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