fma

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Gemeinsame mathematischen Funktionen
Funktionen
Original:
Functions
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Grundlegende Bedienung
Original:
Basic operations
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 abslabsllabsimaxabs (C99)
 fabs
 divldivlldivimaxdiv (C99)
 fmod
 remainder (C99)
 remquo (C99)
 fma (C99)
 fmax (C99)
 fmin (C99)
 fdim (C99)
 nannanfnanl (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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 sin
 cos
 tan
 asin
 acos
 atan
 atan2
 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
 roundlroundllround (C99)(C99)(C99)
 trunc (C99)
 nearbyint (C99)
 rintlrintllrint (C99)(C99)(C99)
Floating-Point-Manipulation Funktionen
Original:
Floating point manipulation functions
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 ldexp
 scalbnscalbln (C99)(C99)
 ilogb (C99)
 logb (C99)
 frexp
 modf
 nextafternexttoward (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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 HUGE_VALFHUGE_VALHUGE_VALL (C99)(C99)
 FP_NORMALFP_SUBNORMALFP_ZEROFP_INFINITEFP_NAN (C99)(C99)(C99)(C99)(C99)

 Defined in header float       fmaf( float x, float y, float z ); double      fma( double x, double y, double z ); long double fmal( long double x, long double y, long double z );
Die FMA Funktionen berechnen (x*y) + z, wie ein ternären Betrieb abgerundet, nach dem
Original:
The fma functions compute (x*y) + z, rounded as one ternary operation, according to the
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Rundungsmodus durch den Wert der dadurch FLT_ROUNDS .
Original:
rounding mode characterized by the value of FLT_ROUNDS.
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[Bearbeiten]Parameter

 x, y, z - FließkommazahlenOriginal: floating point valuesThe text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

[Bearbeiten]Rückgabewert

(x*y) + z, abgerundet, wie ein ternären Betrieb
Original:
(x*y) + z, rounded as one ternary operation
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[Bearbeiten]Siehe auch

 remainder(C99) unterzeichnet Rest der Teilungsoperation Original: signed remainder of the division operation The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktion)  remquo(C99) unterzeichnet Rest sowie die letzten drei Bits der Division Original: signed remainder as well as the three last bits of the division operation The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktion)  C++ documentation for fma