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cpp/numeric/math/isnormal: differenze tra le versioni

Da cppreference.com.
< cpp‎ | numeric‎ | math
m (r2.7.3) (Bot: Aggiungo de, en, es, fr, ja, pt, ru, zh)
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{{cpp/title|isnormal}}
 
{{cpp/title|isnormal}}
 
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{{| =c++11 |
 
bool isnormal( float arg );
 
bool isnormal( float arg );
 
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bool isnormal( double arg );
 
bool isnormal( double arg );
 
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bool isnormal( long double arg );
 
bool isnormal( long double arg );
 
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{{tr|Determina se il dato floating {{tt|arg}} numero del punto è normale, vale a dire non è né zero, subnormale, infinito, né {{tt|NaN}}.  |Determines if the given floating point number {{tt|arg}} is normal, i.e. is neither zero, subnormal, infinite, nor {{tt|NaN}}.  }}
 
{{tr|Determina se il dato floating {{tt|arg}} numero del punto è normale, vale a dire non è né zero, subnormale, infinito, né {{tt|NaN}}.  |Determines if the given floating point number {{tt|arg}} is normal, i.e. is neither zero, subnormal, infinite, nor {{tt|NaN}}.  }}
  
 
===Parametri===
 
===Parametri===
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{{param list item | arg |{{tr| valore in virgola mobile| floating point value}}}}
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===Valore di ritorno===
 
===Valore di ritorno===
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===Vedi anche===
 
===Vedi anche===
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[[de:cpp/numeric/math/isnormal]]
 
[[de:cpp/numeric/math/isnormal]]

Versione attuale delle 14:38, 2 lug 2013

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C++
 
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
Original:
Trigonometric and hyperbolic functions
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sinh
cosh
tanh
asinh(C++11)
acosh(C++11)
atanh(C++11)
Errore e gamma funzioni
Original:
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
Original:
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
Original:
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
Original:
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
Original:
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)
 
Elemento definito nell'header <cmath>
bool isnormal( float arg );
 (dal C++11)
bool isnormal( double arg );
 (dal C++11)
bool isnormal( long double arg );
 (dal C++11)
Determina se il dato floating arg numero del punto è normale, vale a dire non è né zero, subnormale, infinito, né NaN.
Original:
Determines if the given floating point number arg is normal, i.e. is neither zero, subnormal, infinite, nor NaN.
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[modifica] Parametri

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

true arg se è normale, altrimenti false
Original:
true if arg is normal, false otherwise
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[modifica] Vedi anche

(C++11)
categorizza il valore dato in virgola mobile
Original:
categorizes the given floating point value
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(funzione) [modifica]
(C++11)
controlla se il numero dato ha un valore finito
Original:
checks if the given number has finite value
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(funzione) [modifica]
(C++11)
controlla se il numero dato è infinito
Original:
checks if the given number is infinite
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(funzione) [modifica]
(C++11)
controlla se il numero dato è NaN
Original:
checks if the given number is NaN
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(funzione) [modifica]
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