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nearbyint

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< c‎ | numeric‎ | math

 
 
 
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
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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
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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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Defined in header <math.h>
float       nearbyintf( float arg );
double      nearbyint( double arg );
long double nearbyintl( long double arg );
Rundet die Floating-Point-Argument arg auf einen ganzzahligen Wert in Floating-Point-Format, mit dem aktuellen Rundungsmodus .
Original:
Rounds the floating-point argument arg to an integer value in floating-point format, using the current rounding mode.
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Inhaltsverzeichnis

[Bearbeiten] Parameter

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

Das ganzzahlige Ergebnis der Rundung arg
Original:
The integer result of rounding arg
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[Bearbeiten] Notes

Der einzige Unterschied zwischen nearbyint und rint ist, dass rint kann die FE_INEXACT Gleitkomma-Ausnahme zu erhöhen, während nearbyint wirft es nie .
Original:
The only difference between nearbyint and rint is that rint may raise the FE_INEXACT floating-point exception, while nearbyint never raises it.
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[Bearbeiten] Beispiel

[Bearbeiten] Siehe auch

(C99)
(C99)
(C99)
nächste ganze Zahl mit aktuellen Rundung Modus mit
Ausnahme, wenn das Ergebnis unterscheidet
Original:
nearest integer using current rounding mode with
exception if the result differs
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(Funktion) [edit]
(C99)
(C99)
(C99)
nächste ganze Zahl, Rundung von Null weg in halbwegs Fällen
Original:
nearest integer, rounding away from zero in halfway cases
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(Funktion) [edit]
ab oder legt Rundung Richtung
Original:
gets or sets rounding direction
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(Funktion) [edit]
C++ documentation for nearbyint