std::frexp — cppreference.com

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Déclaré dans l'en-tête `<cmath>`
`float frexp( float arg, int* exp );`
`double frexp( double arg, int* exp );`
`long double frexp( long double arg, int* exp );`
`double frexp( Integral arg, int* exp );`		(depuis C++11)

Se décompose donnée à virgule flottante à mantisse et l'exposant .

Original:

Decomposes given floating point value to significand and exponent.

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arg	-	valeur du point flottant 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	-	pointeur de valeur entière pour mémoriser l'exposant à Original: pointer to integer value to store the exponent to The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

mantisse du nombre à virgule flottante donné l'ordre de [0.5; 1). L'exposant est mis en valeur entier pointé par exp .

Original:

significand of the given floating point number in the range of [0.5; 1). The exponent is put into integer value pointed to by exp.

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ldexp	multiplie par un nombre `2` élevé à une puissance Original: multiplies a number by `2` 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. (fonction) [edit]

logb (C++11)	extrait exposant du nombre Original: extracts exponent of the number The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction) [edit]

ilogb (C++11)	extrait exposant du nombre Original: extracts exponent of the number The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction) [edit]

modf	décompose un nombre en parties entières et fractionnaires Original: decomposes a number into integer and fractional parts The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction) [edit]