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isfinite

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
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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>
#define isfinite(arg) /* implementation defined */
それは、通常の非正規またはゼロですが、無限またはargないすなわち与えられた浮動小数点数NANが有限の値を持っているかどうかを決定します。マクロは、整数値を返します.
Original:
Determines if the given floating point number arg has finite value i.e. it is normal, subnormal or zero, but not infinite or NAN. The macro returns an integral value.
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[編集] パラメータ

arg -
浮動小数点値
Original:
floating point value
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[編集] 値を返します

arg場合は0以外の整数値が有限の値を持っている、そうでなければ0.
Original:
Nonzero integral value if arg has finite value, 0 otherwise.
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[編集] も参照してください

指定された浮動小数点値を分類しています
Original:
categorizes the given floating point value
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(機能) [edit]
(C99)
与えられた数が無限であるかどうかをチェックします
Original:
checks if the given number is infinite
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(機能) [edit]
(C99)
与えられた番号かどうかをチェックするにはNaNになります
Original:
checks if the given number is NaN
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(機能) [edit]
指定された数値が正常であるかどうかをチェックします
Original:
checks if the given number is normal
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(機能) [edit]
C++ documentation for isfinite