fdim

 

C

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動的なメモリ管理

エラー処理

プログラムユーティリティ

日付と時間のユーティリティ

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アルゴリズム

ニューメリック

入力/出力をサポートしています

ローカリゼーションサポート

スレッドのサポート (C11)

アトミック操作 (C11)

 

ニューメリック

一般的な数学関数

浮動小数点環境

Complex number arithmetics

乱数生成

型汎用数学

 

一般的な数学関数

機能します Original: Functions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
基本操作 Original: Basic operations The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
abs labs llabs imaxabs (C99) fabs div ldiv lldiv imaxdiv (C99) fmod	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 The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
exp exp2 (C99) expm1 (C99)	log log10 log1p (C99) log2 (C99)
電源機能 Original: Power functions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
sqrt cbrt (C99)	hypot (C99) pow
三角関数や双曲線関数 Original: Trigonometric and hyperbolic functions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
sin cos tan asin acos atan atan2	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 The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
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 The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
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 The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
ldexp scalbn scalbln (C99) (C99) ilogb (C99) logb (C99)	frexp modf nextafter nexttoward (C99) (C99) copysign (C99)
分類 Original: Classification The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
fpclassify (C99)
isfinite (C99)
isinf (C99)
isnan (C99)
isnormal (C99)
signbit (C99)
マクロ定数 Original: Macro constants The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
HUGE_VALF HUGE_VAL HUGE_VALL (C99) (C99)	FP_NORMAL FP_SUBNORMAL FP_ZERO FP_INFINITE FP_NAN (C99) (C99) (C99) (C99) (C99)

 

Defined in header <math.h>
float       fdimf( float x, float y );
double      fdim( double x, double y );
long double fdiml( long double x, long double y );

xyとの間に正の差を返します。.

Original:

Returns the positive difference between x and y.

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これはfmax (x - y, 0)として実装される可能性があるので、x ≤ y場合、結果は常に0に等しいですが、それ以外の場合はx - yです.

Original:

This could be implemented as fmax (x - y, 0), so if x ≤ y, the result is always equals to 0, otherwise it is x - y.

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パラメータ

x, y

-

浮動小数点値 Original: floating point value The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

値を返します

正の差分値.

Original:

The positive difference value.

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も参照してください

abs labs llabs imaxabs (C99)	整数値（|x|）の絶対値を計算します Original: computes absolute value of an integral value (|x|) The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (関数)
fmax (C99)	2つの浮動小数点値の大きい方 Original: larger of two floating point values The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (関数)
C++ documentation for fdim