frexp
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Elemento definito nell'header <math.h>
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float frexpf( float arg, int* exp ); |
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double frexp( double arg, int* exp ); |
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long double frexpl( long double arg, int* exp ); |
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Si decompone dato valore in virgola mobile al significante ed esponente.
Original:
Decomposes given floating point value to significand and exponent.
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
You can help to correct and verify the translation. Click here for instructions.
[modifica] Parametri
arg | - | valore in virgola mobile
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 | - | puntatore al valore intero per memorizzare l'esponente a
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. |
[modifica] Valore di ritorno
Significante del numero dato in virgola mobile nell'intervallo
[0.5; 1)
. L'esponente viene messa in valore intero puntato da 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
.The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
You can help to correct and verify the translation. Click here for instructions.
[modifica] Vedi anche
moltiplica un numero per 2 elevato a una potenza 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. (funzione) | |
(C99) |
estrae esponente del numero 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. (funzione) |
(C99) |
estrae esponente del numero 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. (funzione) |
scompone un numero in parti intere e frazionarie 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. (funzione) | |
C++ documentation for frexp
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