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NetBSD 6.1.5 - man page for finitef (netbsd section 3)

FINITE(3)			   BSD 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.

BSD					  July 28, 2011 				      BSD


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