std::ldexp – cppreference.com

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definiert in Header `<cmath>`

`float ldexp( float arg, int exp );`

`double ldexp( double arg, int exp );`

`long double ldexp( long double arg, int exp );`

`double ldexp( Integral arg, int exp );`		(seit C++11)

Multipliziert ein Gleitkommawert arg mit 2 hoch Stromversorgung exp .

Original:

Multiplies an floating point value arg by 2 raised to power exp.

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arg	-	Floating-Point-Wert Original: floating point value The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
exp	-	Integerwert Original: integer value The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

Renditen x×2^exp

Original:

returns x×2^exp

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Wenn das Ergebnis zu groß für den zugrunde liegenden Typ, tritt Bereich Fehler-und HUGE_VAL zurückgegeben .

Original:

If the result is too large for the underlying type, range error occurs and HUGE_VAL is returned.

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	zersetzt eine Zahl in Mantisse und einer Leistung von `2` Original: decomposes a number into significand and a power of `2` The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktion) [edit]

	multipliziert eine Zahl durch FLT_RADIX potenziert Original: multiplies a number by FLT_RADIX raised to a power The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktion) [edit]