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exp2

Da cppreference.com.
< c‎ | numeric‎ | math

 
 
 
Comuni funzioni matematiche
Funzioni
Original:
Functions
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Operazioni di base
Original:
Basic operations
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remainder(C99)
remquo(C99)
fma(C99)
fmax(C99)
fmin(C99)
fdim(C99)
nan
nanf
nanl
(C99)
(C99)
(C99)
Funzioni esponenziali
Original:
Exponential functions
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exp
exp2(C99)
expm1(C99)
log
log10
log1p(C99)
log2(C99)
Funzioni di risparmio energia
Original:
Power functions
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sqrt
cbrt(C99)
hypot(C99)
pow
Funzioni trigonometriche e iperboliche
Original:
Trigonometric and hyperbolic functions
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sinh
cosh
tanh
asinh(C99)
acosh(C99)
atanh(C99)
Errore e gamma funzioni
Original:
Error and gamma functions
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erf(C99)
erfc(C99)
lgamma(C99)
tgamma(C99)
Più vicini operazioni di interi in virgola mobile
Original:
Nearest integer floating point operations
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ceil
floor
round
lround
llround
(C99)
(C99)
(C99)
trunc(C99)
nearbyint(C99)
rint
lrint
llrint
(C99)
(C99)
(C99)
Floating funzioni di manipolazione di punti
Original:
Floating point manipulation functions
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ldexp
scalbn
scalbln
(C99)
(C99)
ilogb(C99)
logb(C99)
Classificazione
Original:
Classification
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fpclassify(C99)
isfinite(C99)
isinf(C99)
isnan(C99)
isnormal(C99)
signbit(C99)
Macro costanti
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Macro constants
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Defined in header <math.h>
float       exp2f( float n );
double      exp2( double n );
long double exp2l( long double n );
Calcola 2 elevato alla n potere dato
Original:
Computes 2 raised to the given power n
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[modifica] Parametri

n -
valore in virgola mobile
Original:
floating point value
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[modifica] Valore di ritorno

2 elevato alla n (cioè 2n)
Original:
2 raised to the n (i.e. 2n)
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Se il risultato è troppo grande per il tipo di fondo, l'errore si verifica e gamma HUGE_VAL viene restituito.
Original:
If the result is too large for the underlying type, range error occurs and HUGE_VAL is returned.
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[modifica] Vedi anche

ritorna e elevato alla potenza data (ex)
Original:
returns e raised to the given power (ex)
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(funzione) [edit]
calcola naturale (base e) logaritmo (alla base e) (ln(x))
Original:
computes natural (base e) logarithm (to base e) (ln(x))
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(funzione) [edit]
solleva un numero alla potenza data (xy)
Original:
raises a number to the given power (xy)
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(funzione) [edit]