名前空間
変種
操作

std::sqrt

提供: cppreference.com
< cpp‎ | numeric‎ | math

 
 
ニューメリックスライブラリ
一般的な数学関数
浮動小数点環境
複素数
数値配列
擬似乱数生成
コンパイル時有理数演算 (C++11)
汎用の数値演算
Original:
Generic numeric operations
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iota(C++11)
accumulate
inner_product
adjacent_difference
partial_sum
 
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(C++11)
remquo(C++11)
fma(C++11)
fmax(C++11)
fmin(C++11)
fdim(C++11)
nan
nanf
nanl
(C++11)
(C++11)
(C++11)
指数関数
Original:
Exponential functions
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exp
exp2(C++11)
expm1(C++11)
log
log10
log1p(C++11)
log2(C++11)
電源機能
Original:
Power functions
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sqrt
cbrt(C++11)
hypot(C++11)
pow
三角関数や双曲線関数
Original:
Trigonometric and hyperbolic functions
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sinh
cosh
tanh
asinh(C++11)
acosh(C++11)
atanh(C++11)
エラーおよびガンマ関数
Original:
Error and gamma functions
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erf(C++11)
erfc(C++11)
lgamma(C++11)
tgamma(C++11)
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
(C++11)
(C++11)
(C++11)
trunc(C++11)
nearbyint(C++11)
rint
lrint
llrint
(C++11)
(C++11)
(C++11)
点操作関数に浮かぶ
Original:
Floating point manipulation functions
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ldexp
scalbn
scalbln
(C++11)
(C++11)
ilogb(C++11)
logb(C++11)
frexp
modf
nextafter
nexttoward
(C++11)
(C++11)
copysign(C++11)
分類/比較
Original:
Classification/Comparison
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fpclassify(C++11)
isfinite(C++11)
isinf(C++11)
isnan(C++11)
isnormal(C++11)
signbit(C++11)
isgreater(C++11)
isgreaterequal(C++11)
isless(C++11)
islessequal(C++11)
islessgreater(C++11)
isunordered(C++11)
マクロ定数
Original:
Macro constants
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FP_NORMAL
FP_SUBNORMAL
FP_ZERO
FP_INFINITE
FP_NAN
(C++11)
(C++11)
(C++11)
(C++11)
(C++11)
 
Defined in header <cmath>
float       sqrt( float arg );
double      sqrt( double arg );
long double sqrt( long double arg );
double      sqrt( Integral arg );
(C + + 11以来)
argの平方根を計算.
Original:
Computes square root of arg.
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[編集] パラメータ

arg -
浮動小数点または整数値
Original:
floating point or integer value
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[編集] 値を返します

argの平方根.
Original:
square root of arg.
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argが負の場合はドメイン·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 arg is negative. NAN is returned in that case.
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[編集] も参照してください

(C++11)
立方根は(3x)を計算します
Original:
computes cubic root (3x)
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(機能) [edit]
与えられた電力(xy)に番号を発生させます
Original:
raises a number to the given power (xy)
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(機能) [edit]
右半平面の範囲内の複雑な平方根
Original:
complex square root in the range of the right half-plane
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(関数テンプレート) [edit]
valarrayの各要素に関数を適用しstd::sqrt
Original:
applies the function std::sqrt to each element of valarray
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(関数テンプレート) [edit]