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HUGE_VALF

提供: cppreference.com
< cpp‎ | numeric‎ | math

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C++
 
ニューメリックスライブラリ
一般的な数学関数
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マクロ定数
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Macro constants
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HUGE_VALF
HUGE_VAL
HUGE_VALL		(C++11)

(C++11)
INFINITY(C++11)
NAN(C++11)
math_errhandling
MATH_ERRNO
MATH_ERREXCEPT		(C++11)
FP_NORMAL
FP_SUBNORMAL
FP_ZERO
FP_INFINITE
FP_NAN		(C++11)
(C++11)
(C++11)
(C++11)
(C++11)
 
Defined in header <cmath>
#define HUGE_VALF /*implementation defined*/
 (C++11およびそれ以降)
#define HUGE_VAL  /*implementation defined*/
#define HUGE_VALL /*implementation defined*/
 (C++11およびそれ以降)
HUGE_VALF、HUGE_VALとHUGE_VALLマクロがオーバーフローの場合、浮動小数点関数および演算子から返された値と等しい正の浮動小数点定数式に展開.
Original:
The HUGE_VALF, HUGE_VAL and HUGE_VALL macros expand to positive floating point constant expressions which compare equal to the values returned by floating-point functions and operators in case of overflow.
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定数
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Constant
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 Explanation
HUGE_VALF
オーバーフローを示す正float式に展開する
Original:
Expands to positive float expression that indicates overflow
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HUGE_VAL
doubleとして必ずしも表現できない、オーバーフローを示す正float式に展開する
Original:
Expands to positive double expression that indicates overflow, not necessarily representable as a float
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HUGE_VALL
long doubleまたはfloatとして必ずしも表現できない、オーバーフローを示す正double式に展開する
Original:
Expands to positive long double expression that indicates overflow, not necessarily representable as a float or double
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浮動小数点の無限大をサポートする実装では、これらのマクロは常にfloat、double、そしてlong double、それぞれの正の無限大に拡大.
Original:
On implementations that support floating-point infinities, these macros always expand to the positive infinities of float, double, and long double, respectively.
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