nextafter man page on OpenDarwin

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NEXTAFTER(3)		 BSD Library Functions Manual		  NEXTAFTER(3)

NAME
     nextafter

SYNOPSIS
     #include <math.h>

     double
     nextafter(double x, double y);

     float
     nextafterf(float x, float y);

DESCRIPTION
     The nextafter() and nextafterf() functions return the next machine repre‐
     sentable number from x in direction y.

SPECIAL VALUES
     nextafter(x, y) raises the "overflow" and "inexact" floating-point excep‐
     tions for x finite and the function value infinite.

     nextafter(x, y) raises the "underflow" and "inexact" floating-point
     exceptions for the function value subnormal or zero and x not equal to y.

SEE ALSO
     math(3)

STANDARDS
     The nextafter() and nextafterf() functions conform to ISO/IEC
     9899:1999(E).

BSD			       January 28, 2003				   BSD
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