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Gemeinsame mathematischen Funktionen
Funktionen
Original:
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
Original:
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       fdimf( float x, float y );
double      fdim( double x, double y );
long double fdiml( long double x, long double y );
Gibt die positive Differenz zwischen x und y .
Original:
Returns the positive difference between x and y.
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Dies könnte als fmax (x - y, 0) umgesetzt werden, so dass, wenn x ≤ y, das Ergebnis ist immer gleich 0, sonst ist es x - y .
Original:
This could be implemented as fmax (x - y, 0), so if x ≤ y, the result is always equals to 0, otherwise it is x - y.
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[Bearbeiten] Parameter

x, y -
Floating-Point-Wert
Original:
floating point value
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[Bearbeiten] Rückgabewert

Die positive Differenz Wert .
Original:
The positive difference value.
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[Bearbeiten] Siehe auch

berechnet Absolutwert eines Integralwerts (|x|)
Original:
computes absolute value of an integral value (|x|)
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(Funktion) [edit]
(C99)
größere von zwei Fließkommazahlen
Original:
larger of two floating point values
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(Funktion) [edit]