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      std::frexp

      De cppreference.com
      < cpp‎ | numeric‎ | math

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      C++
       
      Bibliothèque Numerics
      Fonctions mathématiques courantes
      Virgule flottante environnement
      Nombres complexes
      Tableaux numériques
      La génération de nombres pseudo-aléatoires
      Moment de la compilation arithmétique rationnelle (C++11)
      Génériques des opérations numériques
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      Generic numeric operations
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      iota (C++11)
      accumulate
      inner_product
      adjacent_difference
      partial_sum
       
      Fonctions mathématiques courantes
      {{{1}}}
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      {{{2}}}
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      Fonctions
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      Functions
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      Opérations de base
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      Basic operations
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      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)
      Les fonctions exponentielles
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      Exponential functions
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      exp
      exp2 (C++11)
      expm1 (C++11)
      log
      log10
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      log2 (C++11)
      Les fonctions de puissance
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      Power functions
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      hypot (C++11)
      pow
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      cosh
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      Erreur fonctions et gamma
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      Error and gamma functions
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      erf (C++11)
      erfc (C++11)
      lgamma (C++11)
      tgamma (C++11)
      Entier le plus proche opérations en virgule flottante
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      Nearest integer floating point operations
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      ceil
      floor
      round
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      llround      		 (C++11)
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      rint
      lrint
      llrint      		 (C++11)
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      Flottant fonctions de manipulation de points
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      Floating point manipulation functions
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      ldexp
      scalbn
      scalbln      		 (C++11)
      (C++11)
      ilogb (C++11)
      logb (C++11)
      frexp
      modf
      nextafter
      nexttoward      		 (C++11)
      (C++11)
      copysign (C++11)
      Classification / Comparaison
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      Classification/Comparison
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      isfinite (C++11)
      isinf (C++11)
      isnan (C++11)
      isnormal (C++11)
      signbit (C++11)
      isgreater (C++11)
      isgreaterequal (C++11)
      isless (C++11)
      islessequal (C++11)
      islessgreater (C++11)
      isunordered (C++11)
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      Macro constants
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      FP_NORMAL
      FP_SUBNORMAL
      FP_ZERO
      FP_INFINITE
      FP_NAN      		 (C++11)
      (C++11)
      (C++11)
      (C++11)
      (C++11)
      </div>
       
      </div>
      Déclaré dans l'en-tête <cmath>
      float       frexp(float arg, int* exp );
      double      frexp(double arg, int* exp );
      longdouble frexp(longdouble arg, int* exp );
      double      frexp( Integral arg, int* exp );
      		 (depuis C++11)
      Se décompose donnée à virgule flottante à mantisse et l'exposant .
      Original:
      Decomposes given floating point value to significand and exponent.
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      [modifier]Paramètres

      arg -
      valeur du point flottant
      Original:
      floating point value
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      exp -
      pointeur de valeur entière pour mémoriser l'exposant à
      Original:
      pointer to integer value to store the exponent to
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      [modifier]Retourne la valeur

      mantisse du nombre à virgule flottante donné l'ordre de [0.5; 1). L'exposant est mis en valeur entier pointé par exp .
      Original:
      significand of the given floating point number in the range of [0.5; 1). The exponent is put into integer value pointed to by exp.
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      [modifier]Voir aussi

      multiplie par un nombre 2 élevé à une puissance
      Original:
      multiplies a number by 2 raised to a power
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      (fonction)[edit]
      (C++11)
      extrait exposant du nombre
      Original:
      extracts exponent of the number
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      (fonction)[edit]
      (C++11)
      extrait exposant du nombre
      Original:
      extracts exponent of the number
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      (fonction)[edit]
      décompose un nombre en parties entières et fractionnaires
      Original:
      decomposes a number into integer and fractional parts
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      (fonction)[edit]
      Récupérée de « https://fr.cppreference.com/mwiki/index.php?title=cpp/numeric/math/frexp&oldid=48844 »
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