名前空間
変種
操作

fpclassify

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>
#define fpclassify(arg) /* implementation defined */
ゼロ、非正規、通常、無限、NaN、または実装で定義されたカテゴリは、次のカテゴリに浮動小数点値argを分類しています。マクロは、整数値を返します.
Original:
Categorizes floating point value arg into the following categories: zero, subnormal, normal, infinite, NAN, or implementation-defined category. 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

FP_INFINITEのカテゴリを指定FP_NANFP_NORMALFP_SUBNORMALFP_ZEROargまたは実装定義型の一つ、.
Original:
One of FP_INFINITE, FP_NAN, FP_NORMAL, FP_SUBNORMAL, FP_ZERO or implementation-defined type, specifying the category of arg.
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[編集] も参照してください

与えられた番号かどうかをチェックするには、有限の値を持ちます
Original:
checks if the given number has finite value
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(関数) [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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(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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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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(関数) [edit]
C++ documentation for fpclassify