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std::nextafter, std::nexttoward – cppreference.com

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definiert in Header

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float nextafter( float from, float to );

 (1) (seit C++11)

double nextafter( double from, double to );

 (2) (seit C++11)

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

 (3) (seit C++11)

Promoted nextafter( Arithmetic from, Arithmetic to );

 (4) (seit C++11)

float nexttoward( float from, long double to );

 (5) (seit C++11)

double nexttoward( double from, long double to );

 (6) (seit C++11)

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

 (7) (seit C++11)

double nexttoward( Integral from, long double to );

 (8) (seit C++11)

Gibt den nächsten Wert der darstellbaren from in Richtung to. Wenn from um to entspricht, wird to zurückgegeben .

Original:

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

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4)

Wenn ein Argument hat integralen Typ, wird es double gegossen. Wenn ein anderes Argument long double ist, dann ist der Rückgabetyp long double ist, sonst ist es double

Original:

If any argument has integral type, it is cast to double. If any other argument is long double, then the return type is long double, otherwise it is double

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Parameter

from, to -

Fließkommazahlen

Original:

floating point values

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Rückgabewert

der nächste darstellbare Wert from in Richtung to .

Original:

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

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Beispiel