rint, lrint, llrint
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C
Thread-Unterstützung (C11)
Atomare Operationen (C11)
Gemeinsame mathematischen Funktionen
Funktionen
Original:
Functions
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Grundlegende Bedienung
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Basic operations
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Exponentialfunktionen
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Exponential functions
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Power-Funktionen
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Power functions
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Trigonometrische und hyperbolische Funktionen
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Trigonometric and hyperbolic functions
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Fehler-und Gamma-Funktionen
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Error and gamma functions
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Nächste ganze Zahl Fließkomma-Operationen
Original:
Nearest integer floating point operations
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Floating-Point-Manipulation Funktionen
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Floating point manipulation functions
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Klassifizierung
Original:
Classification
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fpclassify (C99)
isfinite (C99)
isinf (C99)
isnan (C99)
isnormal (C99)
signbit (C99)
Makro Konstanten
Original:
Macro constants
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definiert in Header <math.h>
int rintf( float arg );
int rint( double arg );
int rintl( long double arg );
long lrintf( float arg );
long lrint( double arg );
long lrintl( long double arg );
long long llrintf( float arg );
long long llrint( double arg );
long long llrintl( long double arg );
Rundet die Floating-Point-Argument
arg auf einen ganzzahligen Wert in Floating-Point-Format, mit dem aktuellen Rundung Modus. Wenn das Ergebnis unterscheidet sich von arg (dh arg war kein ganzzahliger Wert schon), wird die Gleitkomma-Ausnahme FE_INEXACT angehoben .Original:
Rounds the floating-point argument
arg to an integer value in floating-point format, using the current rounding mode. If the result differs from arg (i.e., arg was not an integer value already), the floating-point exception FE_INEXACT is raised.The text has been machine-translated via Google Translate.
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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
argOriginal:
The integer result of rounding
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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
This section is incomplete
Reason: no example
Reason: no example
[Bearbeiten] Siehe auch
(C99)
nächste ganze Zahl mit aktuellen Rundung Modus
Original:
nearest integer using current rounding mode
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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]
C++ documentation for rint