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isfinite

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C
 
Numerics
 
Gemeinsame mathematischen Funktionen
Funktionen
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Functions
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Grundlegende Bedienung
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Basic operations
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remainder(C99)
remquo(C99)
fma(C99)
fmax(C99)
fmin(C99)
fdim(C99)
nan
nanf
nanl		(C99)
(C99)
(C99)
Exponentialfunktionen
Original:
Exponential functions
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exp
exp2(C99)
expm1(C99)
log
log10
log1p(C99)
log2(C99)
Power-Funktionen
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Power functions
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sqrt
cbrt(C99)
hypot(C99)
pow
Trigonometrische und hyperbolische Funktionen
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Trigonometric and hyperbolic functions
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sinh
cosh
tanh
asinh(C99)
acosh(C99)
atanh(C99)
Fehler-und Gamma-Funktionen
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Error and gamma functions
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erf(C99)
erfc(C99)
lgamma(C99)
tgamma(C99)
Nächste ganze Zahl Fließkomma-Operationen
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-Point-Manipulation Funktionen
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Floating point manipulation functions
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ldexp
scalbn
scalbln		(C99)
(C99)
ilogb(C99)
logb(C99)
Klassifizierung
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Classification
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fpclassify(C99)
isfinite(C99)
isinf(C99)
isnan(C99)
isnormal(C99)
signbit(C99)
Makro Konstanten
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Macro constants
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definiert in Header <math.h>
#define isfinite(arg) /* implementation defined */
Bestimmt, ob die angegebene Gleitkommazahl arg hat endlichen Wert, dh es normal, subnormal oder Null, aber nicht unendlich oder NAN ist. Das Makro gibt einen ganzzahligen Wert .
Original:
Determines if the given floating point number arg has finite value i.e. it is normal, subnormal or zero, but not infinite or NAN. The macro returns an integral value.
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[Bearbeiten] Parameter

arg -
Floating-Point-Wert
Original:
floating point value
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[Bearbeiten] Rückgabewert

Nonzero ganzzahligen Wert, wenn arg hat endlichen Wert, ​0​ sonst .
Original:
Nonzero integral value if arg has finite value, ​0​ otherwise.
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[Bearbeiten] Siehe auch

(C99)
kategorisiert den angegebenen Gleitkommawert
Original:
categorizes the given floating point value
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(Funktion) [edit]
(C99)
prüft, ob die angegebene Zahl unendlich ist
Original:
checks if the given number is infinite
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(Funktion) [edit]
(C99)
prüft, ob die angegebene Zahl ist NaN
Original:
checks if the given number is NaN
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(Funktion) [edit]
(C99)
prüft, ob die gegebene Anzahl normal ist
Original:
checks if the given number is normal
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(Funktion) [edit]
C++ documentation for isfinite
Von „https://de.cppreference.com/mwiki/index.php?title=c/numeric/math/isfinite&oldid=26048“