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round, lround, llround

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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
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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Defined in header <math.h>
float       roundf( float arg );
double      round( double arg );
long double roundl( long double arg );
long      lroundf( float arg );
long      lround( double arg );
long      lroundl( long double arg );
long long llroundf( float arg );
long long llround( double arg );
long long llroundl( long double arg );
Berechnet nächste ganze Zahl zu arg. Nummer wird von Null weg in halbwegs Fällen abgerundet
Original:
Computes nearest integer to arg. Number is rounded away from zero in halfway cases
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[Bearbeiten] Parameter

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

Nächste ganze Zahl zu arg .
Original:
Nearest integer to arg.
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[Bearbeiten] Siehe auch

nächste ganze Zahl nicht größer als der gegebene Wert
Original:
nearest integer not greater than the given value
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(Funktion) [edit]
nächste ganze Zahl nicht kleiner als der gegebene Wert
Original:
nearest integer not less than the given value
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(Funktion) [edit]
(C99)
nächste Ganzzahl nicht betragsmäßig größer als der gegebene Wert
Original:
nearest integer not greater in magnitude than the given value
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(Funktion) [edit]