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hypot

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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       hypotf( float x, float y );
double      hypot( double x, double y );
long double hypotl( long double x, long double y );
Berechnet die Quadratwurzel aus der Summe der Quadrate der x und y, ohne unnötige Überlauf oder Unterlauf an Zwischenstufen der Berechnung. Dies ist die Länge der Hypotenuse eines rechtwinkligen Dreiecks mit einer Seitenlänge von Länge und x y, oder der Abstand des Punktes vom Ursprung (x,y) (0,0) oder den Betrag einer komplexen Zahl x+iy
Original:
Computes the square root of the sum of the squares of x and y, without undue overflow or underflow at intermediate stages of the computation. This is the length of the hypotenuse of a right-angled triangle with sides of length x and y, or the distance of the point (x,y) from the origin (0,0), or the magnitude of a complex number x+iy
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Inhaltsverzeichnis

[Bearbeiten] Parameter

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

Die Hypotenuse eines rechtwinkligen Dreiecks, x2
+y2
.
Original:
The hypotenuse of a right-angled triangle, x2
+y2
.
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[Bearbeiten] Ausnahmen

Wenn das Ergebnis überläuft, kann eine Reihe Fehler auftreten und FE_OVERFLOW angehoben werden kann .
Original:
If the result overflows, a range error may occur and FE_OVERFLOW may be raised.
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Wenn das Ergebnis subnormale kann ein Fehler auf, und Unterlauf FE_UNDERFLOW angehoben werden kann .
Original:
If the result is subnormal, an underflow error may occur and FE_UNDERFLOW may be raised.
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[Bearbeiten] Notes

Typische Implementierung Strategie ist es, ein Äquivalent u1+(
v
u
)2
wo u ist max(x,y) und v ist min(x,y) .. berechnen
Original:
Typical implementation strategy is to calculate an equivalent of u1+(
v
u
)2
where u is max(x,y) and v is min(x,y).
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[Bearbeiten] Beispiel

[Bearbeiten] Siehe auch

berechnet Quadratwurzel (x)
Original:
computes square root (x)
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(Funktion) [edit]
wirft eine Reihe an die angegebene Leistung (xy)
Original:
raises a number to the given power (xy)
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(Funktion) [edit]