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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
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      Fonctions mathématiques courantes
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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)
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      Les fonctions exponentielles
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      Exponential functions
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      exp
      exp2(C++11)
      expm1(C++11)
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      Les fonctions de puissance
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      Power functions
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      pow
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      Erreur fonctions et gamma
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      erfc(C++11)
      lgamma(C++11)
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      Entier le plus proche opérations en virgule flottante
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      Nearest integer floating point operations
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      ceil
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      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)
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      Classification / Comparaison
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      isfinite(C++11)
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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 );
      long double frexp( long double 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 »