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std::exp

Da cppreference.com.
< cpp‎ | numeric‎ | math

 
 
Numeri libreria
Comuni funzioni matematiche
Virgola mobile ambiente
I numeri complessi
Array numerici
Pseudo-casuale generazione
In fase di compilazione aritmetica razionale (C++11)
Generici operazioni numeriche
Original:
Generic numeric operations
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iota(C++11)
accumulate
inner_product
adjacent_difference
partial_sum
 
Comuni funzioni matematiche
Funzioni
Original:
Functions
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Operazioni di base
Original:
Basic operations
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remainder(C++11)
remquo(C++11)
fma(C++11)
fmax(C++11)
fmin(C++11)
fdim(C++11)
nan
nanf
nanl
(C++11)
(C++11)
(C++11)
Funzioni esponenziali
Original:
Exponential functions
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exp
exp2(C++11)
expm1(C++11)
log
log10
log1p(C++11)
log2(C++11)
Funzioni di risparmio energia
Original:
Power functions
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sqrt
cbrt(C++11)
hypot(C++11)
pow
Funzioni trigonometriche e iperboliche
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Trigonometric and hyperbolic functions
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sinh
cosh
tanh
asinh(C++11)
acosh(C++11)
atanh(C++11)
Errore e gamma funzioni
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Error and gamma functions
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erf(C++11)
erfc(C++11)
lgamma(C++11)
tgamma(C++11)
Più vicini operazioni di interi in virgola mobile
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Nearest integer floating point operations
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ceil
floor
round
lround
llround
(C++11)
(C++11)
(C++11)
trunc(C++11)
nearbyint(C++11)
rint
lrint
llrint
(C++11)
(C++11)
(C++11)
Floating funzioni di manipolazione di punti
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Floating point manipulation functions
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ldexp
scalbn
scalbln
(C++11)
(C++11)
ilogb(C++11)
logb(C++11)
frexp
modf
nextafter
nexttoward
(C++11)
(C++11)
copysign(C++11)
Classificazione / confronto
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Classification/Comparison
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fpclassify(C++11)
isfinite(C++11)
isinf(C++11)
isnan(C++11)
isnormal(C++11)
signbit(C++11)
isgreater(C++11)
isgreaterequal(C++11)
isless(C++11)
islessequal(C++11)
islessgreater(C++11)
isunordered(C++11)
Macro costanti
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Macro constants
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FP_NORMAL
FP_SUBNORMAL
FP_ZERO
FP_INFINITE
FP_NAN
(C++11)
(C++11)
(C++11)
(C++11)
(C++11)
 
Defined in header <cmath>
float       exp( float arg );
double      exp( double arg );
long double exp( long double arg );
double      exp( Integral arg );
(dal C++11)
Calcola il e (numero di Eulero, 2.7182818) elevato alla potenza data arg
Original:
Computes the e (Euler's number, 2.7182818) raised to the given power arg
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[modifica] Parametri

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

e elevato alla potenza arg
Original:
e raised to the power arg
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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

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]
potenza complessa, uno o entrambi gli argomenti può essere un numero complesso
Original:
complex power, one or both arguments may be a complex number
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(funzione di modello) [edit]
applica la std::pow funzione a due valarrays o un valarray e un valore
Original:
applies the function std::pow to two valarrays or a valarray and a value
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(funzione di modello) [edit]