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pow

提供: cppreference.com
< 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       powf( float base, float exp );
double      pow( double base, double exp );
long double powl( long double base, long double exp );
累乗しbaseの値を計算しexpまたはiexp.
Original:
Computes the value of base raised to the power exp or iexp.
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[編集] パラメータ

base -
浮動小数点値としてベース
Original:
base as floating point value
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exp -
浮動小数点値として指数
Original:
exponent as floating point value
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iexp -
整数値として指数
Original:
exponent as integer value
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[編集] 値を返します

base累乗(expまたはiexp).
Original:
base raised by power (exp or iexp).
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baseが0で、expより小さいか0に等しい場合、ドメインエラーが発生します。 NANはその場合に返されます.
Original:
Domain error occurs if base is 0 and exp is less than or equal to 0. NAN is returned in that case.
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baseが負であるとexpが整数値でない場合は、ドメインエラーが発生します。 NANはその場合に返されます.
Original:
Domain error occurs if base is negative and exp is not an integer value. NAN is returned in that case.
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オーバーフローが発生した場合、範囲エラーが発生します。 HUGEVALはその場合に返されます.
Original:
Range error occurs if an overflow takes place. HUGEVAL is returned in that case.
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[編集] も参照してください

戻り eを与えられた電力(ex)に引き上げた
Original:
returns e raised to the given power (ex)
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(機能) [edit]
計算する自然(底 E)対数(底へ E)(ln(x)
Original:
computes natural (base e) logarithm (to base e) (ln(x))
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(機能) [edit]
平方根は(x)を計算します
Original:
computes square root (x)
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(機能) [edit]
(C99)
立方根は(3x)を計算します
Original:
computes cubic root (3x)
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(機能) [edit]