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      log2

      De cppreference.com
      < c‎ | numeric‎ | math

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      C
       
      Números
       
      Funciones matemáticas comunes
      Funciones
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      Functions
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      Operaciones básicas
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      Basic operations
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      (C99)
      (C99)
      (C99)
      (C99)
      (C99)
      (C99)
      (C99)(C99)(C99)
      Funciones exponenciales
      Original:
      Exponential functions
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      (C99)
      (C99)
      (C99)
      log2
      (C99)
      Funciones de energía
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      Power functions
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      Funciones trigonométricas e hiperbólicas
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      Trigonometric and hyperbolic functions
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      Error gamma y funciones
      Original:
      Error and gamma functions
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      (C99)
      (C99)
      (C99)
      (C99)
      Más cerca de las operaciones con enteros en coma flotante
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      Nearest integer floating point operations
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      (C99)
      (C99)
      (C99)(C99)(C99)
      Funciones de punto flotante de manipulación
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      Floating point manipulation functions
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      (C99)(C99)
      (C99)
      (C99)
      Clasificación
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      Classification
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      (C99)
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      Constantes Macro
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      Macro constants
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      Definido en el archivo de encabezado <math.h>
      float       log2f(float arg );
      		(desde C99)
      double      log2(double arg );
      		(desde C99)
      longdouble log2l(longdouble arg );
      		(desde C99)
      Calcula el logaritmo de base de 2arg .
      Original:
      Computes the base 2 logarithm of arg.
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      [editar]Parámetros

      arg -
      flotando valor en puntos
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      floating point value
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      [editar]Valor de retorno

      log
      2      (arg)

      Domain error se produce si arg es negativo. NAN se devuelve en ese caso .
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      Domain error occurs if arg is negative. NAN is returned in that case.
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      Rango de error se produce si arg es ​0​. -HUGE_VAL se devuelve en ese caso .
      Original:
      Range error occurs if arg is ​0​. -HUGE_VAL is returned in that case.
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      [editar]Ver también

      calcula natural (base e) logaritmo (base e) (ln(x))
      Original:
      computes natural (base e) logarithm (to base e) (ln(x))
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      (función)[editar]
      calcula común (base 10') logaritmo (log10(x))
      Original:
      computes common (base 10) logarithm (log10(x))
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      (función)[editar]
      Documentación de C++ para log2
      Obtenido de «https://es.cppreference.com/mwiki/index.php?title=c/numeric/math/log2&oldid=29772»
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