std::signbit

 

C++

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abs(int) labs llabs imaxabs (C++11) abs(float) fabs div ldiv lldiv imaxdiv (C++11) fmod	remainder (C++11) remquo (C++11) fma (C++11) fmax (C++11) fmin (C++11) fdim (C++11) nan nanf nanl (C++11) (C++11) (C++11)
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Defined in header <cmath>
bool signbit( float arg );		(desde C++11)
bool signbit( double arg );		(desde C++11)
bool signbit( long double arg );		(desde C++11)

Determina si el dado arg número de punto flotante es negativo .

Original:

Determines if the given floating point number arg is negative.

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Parámetros

arg

-

flotando valor en puntos 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.

Valor de retorno

true arg si es negativo, false lo contrario

Original:

true if arg is negative, false otherwise

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Ver también

abs(float) fabs	valor absoluto de un valor de punto flotante (|x|) Original: absolute value of a floating point value (|x|) The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (función)
copysign (C++11)	copia el signo de un valor de punto flotante Original: copies the sign of a 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. (función)