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OpenDarwin 7.2.1 - man page for finite (opendarwin section 3)

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FINITE(3)			   BSD Library Functions Manual 			FINITE(3)

     finite -- returns 1 for finite x, 0 for infinite x and NaNs.

     #include <math.h>

     finite(double x);

     The finite() function returns 1 if -infinity < x < +infinity. It returns 0 if x is +-infin-
     ity or a NaN.

     The finite() function conforms to ISO/IEC 9899:1999(E).

BSD					   July 2, 2003 				      BSD
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