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pow

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< c‎ | numeric‎ | math

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C
 
Numeri
 
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
Original:
Macro constants
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Elemento definito nell'header <math.h>
float       powf( float base, float exp );
double      pow( double base, double exp );
long double powl( long double base, long double exp );
Calcola il valore di base elevato alla potenza exp o iexp.
Original:
Computes the value of base raised to the power exp or iexp.
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[modifica] Parametri

base -
base come valore in virgola mobile
Original:
base as floating point value
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exp -
esponente come valore in virgola mobile
Original:
exponent as floating point value
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iexp -
esponente come valore intero
Original:
exponent as integer value
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[modifica] Valore di ritorno

base sollevato dal potere (exp o iexp).
Original:
base raised by power (exp or iexp).
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Errore di dominio si verifica se base è 0 e exp è inferiore o uguale a ​0​. NAN viene restituito in questo caso.
Original:
Domain error occurs if base is 0 and exp is less than or equal to ​0​. NAN is returned in that case.
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Errore di dominio si verifica se base è negativo e exp non è un valore intero. NAN viene restituito in questo caso.
Original:
Domain error occurs if base is negative and exp is not an integer value. NAN is returned in that case.
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Campo errore si verifica se un overflow avviene. HUGEVAL viene restituito in questo caso.
Original:
Range error occurs if an overflow takes place. HUGEVAL is returned in that case.
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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) [modifica]
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) [modifica]
calcola la radice quadrata (√x)
Original:
computes square root (√x)
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(funzione) [modifica]
(C99)
calcola radice cubica (3√x)
Original:
computes cubic root (3√x)
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(funzione) [modifica]
C++ documentation for pow
Estratto da "https://it.cppreference.com/mwiki/index.php?title=c/numeric/math/pow&oldid=24741"