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std::fdim

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Numerik-Bibliothek
Gemeinsame mathematischen Funktionen
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Compile-time rationale Arithmetik (C++11)
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Original:
Generic numeric operations
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iota(C++11)
accumulate
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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(C++11)
remquo(C++11)
fma(C++11)
fmax(C++11)
fmin(C++11)
fdim(C++11)
nan
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exp
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sqrt
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erf(C++11)
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isfinite(C++11)
isinf(C++11)
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signbit(C++11)
isgreater(C++11)
isgreaterequal(C++11)
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Makro Konstanten
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Macro constants
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FP_NORMAL
FP_SUBNORMAL
FP_ZERO
FP_INFINITE
FP_NAN
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(C++11)
 
Defined in header <cmath>
float       fdim( float x, float y );
(1) (seit C++11)
double      fdim( double x, double y );
(2) (seit C++11)
long double fdim( long double x, long double y );
(3) (seit C++11)
Promoted    fdim( Arithmetic x, Arithmetic y );
(4) (seit C++11)
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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4)
Wenn ein Argument hat integralen Typ, wird es double gegossen. Wenn ein anderes Argument long double ist, dann ist der Rückgabetyp long double ist, sonst ist es double .
Original:
If any argument has integral type, it is cast to double. If any other argument is long double, then the return type is long double, otherwise it is double.
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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]
(C++11)
größere von zwei Fließkommazahlen
Original:
larger of two floating point values
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(Funktion) [edit]