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Gemeinsame mathematischen Funktionen
Funktionen
Original:
Functions
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Grundlegende Bedienung
Original:
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
Original:
Exponential functions
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exp
exp2(C99)
expm1(C99)
log
log10
log1p(C99)
log2(C99)
Power-Funktionen
Original:
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
Original:
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
Original:
Floating point manipulation functions
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ldexp
scalbn
scalbln
(C99)
(C99)
ilogb(C99)
logb(C99)
frexp
modf
nextafter
nexttoward
(C99)
(C99)
copysign(C99)
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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Defined in header <math.h>
float       modff( float x, float* iptr );
double      modf( double x, double* iptr );
long double modfl( long double x, long double* iptr );
Zersetzt bestimmten Gleitkommawert x in integraler und Bruchteile, die jeweils die gleiche Art und Zeichen als x. Der Bestandteil (in Floating-Point-Format) in das Objekt, auf das iptr gespeichert .
Original:
Decomposes given floating point value x into integral and fractional parts, each having the same type and sign as x. The integral part (in floating-point format) is stored in the object pointed to by iptr.
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Inhaltsverzeichnis

[Bearbeiten] Parameter

arg -
Floating-Point-Wert
Original:
floating point value
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iptr -
Zeiger auf Gleitkomma-Wert, um den Bestandteil zu speichern
Original:
pointer to floating point value to store the integral part to
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[Bearbeiten] Rückgabewert

Der Bruchteil von x mit dem gleichen Vorzeichen wie x. Der Bestandteil wird in den Wert, auf den durch iptr gebracht .
Original:
The fractional part of x with the same sign as x. The integral part is put into the value pointed to by iptr.
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[Bearbeiten] Beispiel

[Bearbeiten] Siehe auch

(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]