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

NAME
     nextafter

SYNOPSIS
     #include <math.h>

     double
     nextafter(double x, double y);

     long double
     nextafterl(long double x, long double y);

     float
     nextafterf(float x, float y);

DESCRIPTION
     The nextafter() functions return the next machine representable number from x in direction y.

SPECIAL VALUES
     nextafter(x, y) raises the "overflow" and "inexact" floating-point exceptions 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() functions conform to ISO/IEC 9899:1999(E).

BSD                                           December 11, 2006                                          BSD

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