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fma

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< c‎ | numeric‎ | math

 
 
 
一般的な数学関数
機能します
Original:
Functions
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基本操作
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)
指数関数
Original:
Exponential functions
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exp
exp2(C99)
expm1(C99)
log
log10
log1p(C99)
log2(C99)
電源機能
Original:
Power functions
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sqrt
cbrt(C99)
hypot(C99)
pow
三角関数や双曲線関数
Original:
Trigonometric and hyperbolic functions
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sinh
cosh
tanh
asinh(C99)
acosh(C99)
atanh(C99)
エラーおよびガンマ関数
Original:
Error and gamma functions
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erf(C99)
erfc(C99)
lgamma(C99)
tgamma(C99)
最も近い整数の浮動小数点演算
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)
点操作関数に浮かぶ
Original:
Floating point manipulation functions
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ldexp
scalbn
scalbln
(C99)
(C99)
ilogb(C99)
logb(C99)
分類
Original:
Classification
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fpclassify(C99)
isfinite(C99)
isinf(C99)
isnan(C99)
isnormal(C99)
signbit(C99)
マクロ定数
Original:
Macro constants
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Defined in header <math.h>
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 );
FMAの機能はによると、一つの三項演算として丸め(x*y) + zを計算します
Original:
The fma functions compute (x*y) + z, rounded as one ternary operation, according to the
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FLT_ROUNDSの値によって特徴付け丸めモード.
Original:
rounding mode characterized by the value of FLT_ROUNDS.
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[編集] パラメータ

x, y, z -
浮動小数点値
Original:
floating point values
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[編集] 値を返します

(x*y) + z、1三項演算として丸められます
Original:
(x*y) + z, rounded as one ternary operation
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[編集] も参照してください

除算演算の剰余を締結しました
Original:
signed remainder of the division operation
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(関数) [edit]
(C99)
残りだけでなく、除算の最後の3つのビットを締結しました
Original:
signed remainder as well as the three last bits of the division operation
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(関数) [edit]