std::nextafter, std::nexttoward

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Defined in header <cmath>

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float       nextafter( float from, float to );

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double      nextafter( double from, double to );

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long double nextafter( long double from, long double to );

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float       nexttoward( float from, long double to );

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double      nexttoward( double from, long double to );

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long double nexttoward( long double from, long double to );

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Returns the next representable value of from in the direction of to. If from equals to to, to is returned.

Parameters

from, to

-

floating point values

Return value

the next representable value of from in the direction of to.