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FP_NORMAL, FP_SUBNORMAL, FP_ZERO, FP_INFINITE, FP_NAN

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< c‎ | numeric‎ | math

 
 
 
一般的な数学関数
機能します
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Functions
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基本操作
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Basic operations
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remainder(C99)
remquo(C99)
fma(C99)
fmax(C99)
fmin(C99)
fdim(C99)
nan
nanf
nanl
(C99)
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指数関数
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Exponential functions
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exp
exp2(C99)
expm1(C99)
log
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log1p(C99)
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電源機能
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Power functions
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sqrt
cbrt(C99)
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三角関数や双曲線関数
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Trigonometric and hyperbolic functions
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sinh
cosh
tanh
asinh(C99)
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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)
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最も近い整数の浮動小数点演算
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Nearest integer floating point operations
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ceil
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trunc(C99)
nearbyint(C99)
rint
lrint
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(C99)
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点操作関数に浮かぶ
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Floating point manipulation functions
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ldexp
scalbn
scalbln
(C99)
(C99)
ilogb(C99)
logb(C99)
分類
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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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FP_NORMAL
FP_SUBNORMAL
FP_ZERO
FP_INFINITE
FP_NAN
(C99)
(C99)
(C99)
(C99)
(C99)
 
Defined in header <math.h>
#define FP_NORMAL    /*implementation defined*/
#define FP_SUBNORMAL /*implementation defined*/
#define FP_ZERO      /*implementation defined*/
#define FP_INFINITE  /*implementation defined*/
#define FP_NAN       /*implementation defined*/
FP_NORMALFP_SUBNORMALFP_ZEROFP_INFINITEFP_NAN各マクロは、浮動小数点数の異なるカテゴリを表しています。彼らはすべての整数定数式に展開.
Original:
The FP_NORMAL, FP_SUBNORMAL, FP_ZERO, FP_INFINITE, FP_NAN macros each represent a distinct category of floating-point numbers. They all expand to an integer constant expression.
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定数
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Constant
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Explanation
FP_NORMAL
値がノーマル、すなわち無限ではない、非正規、非数またはゼロであることを示します
Original:
indicates that the value is normal, i.e. not an infinity, subnormal, not-a-number or zero
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FP_SUBNORMAL
値が'非正規であることを示します
Original:
indicates that the value is subnormal
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FP_ZERO
値は正または負のゼロであることを示します
Original:
indicates that the value is positive or negative zero
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FP_INFINITE
値は基になる型(正または負の無限大)で表現できないことを示しています
Original:
indicates that the value is not representable by the underlying type (positive or negative infinity)
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FP_NAN
値が非数(NaN)であることを示しています
Original:
indicates that the value is not-a-number (NaN)
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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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(関数) [edit]
C++ documentation for FP_categories