名前空間
変種
操作

scalbn, scalbln

提供: cppreference.com
< c‎ | numeric‎ | math

 
 
 
一般的な数学関数
機能します
Original:
Functions
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
基本操作
Original:
Basic operations
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
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
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
exp
exp2(C99)
expm1(C99)
log
log10
log1p(C99)
log2(C99)
電源機能
Original:
Power functions
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
sqrt
cbrt(C99)
hypot(C99)
pow
三角関数や双曲線関数
Original:
Trigonometric and hyperbolic functions
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
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
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
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
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
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
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
ldexp
scalbn
scalbln
(C99)
(C99)
ilogb(C99)
logb(C99)
分類
Original:
Classification
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
fpclassify(C99)
isfinite(C99)
isinf(C99)
isnan(C99)
isnormal(C99)
signbit(C99)
マクロ定数
Original:
Macro constants
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
 
Defined in header <cmath>
float       scalbnf( float x, int exp );
double      scalbn( double x, int exp );
long double scalbnl( long double x, int exp );
float       scalblnf( float x, long exp );
double      scalbln( double x, long exp );
long double scalblnl( long double x, long exp );
電源xに引き上げFLT_RADIXによる浮動小数点値expを乗算します。バイナリのシステムではldexp()と同等です.
Original:
Multiplies an floating point value x by FLT_RADIX raised to power exp. On binary system it is equivalent to ldexp().
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

[編集] パラメータ

arg -
浮動小数点値
Original:
floating point value
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
exp -
整数値
Original:
integer value
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

[編集] 値を返します

戻りx×FLT_RADIXexp.
Original:
Returns x×FLT_RADIXexp.
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
結果は、基になる型には大きすぎる場合、範囲エラーが発生し、HUGE_VALが返されます.
Original:
If the result is too large for the underlying type, range error occurs and HUGE_VAL is returned.
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

[編集] も参照してください

数値は仮数と2の力に分解する
Original:
decomposes a number into significand and a power of 2
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

(関数) [edit]
累乗し2によって数を乗算します
Original:
multiplies a number by 2 raised to a power
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

(関数) [edit]