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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       atan2f( float y, float x );
double      atan2( double y, double x );
long double atan2l( long double y, long double x );
Berechnet den Arcustangens von y/x der Benutzung der Zeichen von Argumenten korrekt zu bestimmen Quadranten .
Original:
Computes the inverse tangent of y/x using the signs of arguments to correctly determine quadrant.
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Inhaltsverzeichnis

[Bearbeiten] Parameter

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

Arcustangens y/x im Bogenmaß im Bereich von [-π; π] Bogenmaß .
Original:
Arc tangent of y/x in radians in the range of [-π; π] radians.
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[Bearbeiten] Beispiel

[Bearbeiten] Siehe auch

berechnet Arcustangens (arctan(x))
Original:
computes arc tangent (arctan(x))
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(Funktion) [edit]
berechnet Arcussinus (arcsin(x))
Original:
computes arc sine (arcsin(x))
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(Funktion) [edit]
berechnet Arcuscosinus (arccos(x))
Original:
computes arc cosine (arccos(x))
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(Funktion) [edit]
berechnet Tangente (tan(x))
Original:
computes tangent (tan(x))
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(Funktion) [edit]