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      std::abs<div class="t-tr-text">(Float)<div class="t-tr-dropdown"><div><div><div class="t-tr-dropdown-arrow-border"></div><div class="t-tr-dropdown-arrow"></div><div class="t-tr-dropdown-h">Original:</div><div class="t-tr-dropdown-orig">(float)</div><div class="t-tr-dropdown-notes">The text has been machine-translated via [http://translate.google.com Google Translate].<br/> You can help to correct and verify the translation. Click [http://en.cppreference.com/w/Cppreference:MachineTranslations here] for instructions.</div></div></div></div></div>, std::fabs

      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
      log1p(C++11)
      log2(C++11)
      Les fonctions de puissance
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      Power functions
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      sqrt
      cbrt(C++11)
      hypot(C++11)
      pow
      Les fonctions trigonométriques et hyperboliques
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      Trigonometric and hyperbolic functions
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      sinh
      cosh
      tanh
      asinh(C++11)
      acosh(C++11)
      atanh(C++11)
      {{{1}}}
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      {{{2}}}
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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
      lround
      llround      		(C++11)
      (C++11)
      (C++11)
      trunc(C++11)
      nearbyint(C++11)
      rint
      lrint
      llrint      		(C++11)
      (C++11)
      (C++11)
      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)
      Classification / Comparaison
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      Classification/Comparison
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      fpclassify(C++11)
      isfinite(C++11)
      isinf(C++11)
      isnan(C++11)
      isnormal(C++11)
      signbit(C++11)
      Macro constantes
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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       abs( float arg );
      double      abs( double arg );
      long double abs( long double arg );
      float       fabs( float arg );
      double      fabs( double arg );
      long double fabs( long double arg );
      double      fabs( Integral arg );
      		(depuis C++11)
      Calcule la valeur absolue d'une valeur à virgule flottante arg .
      Original:
      Computes the absolute value of a floating point value arg.
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      [modifier] Paramètres

      arg-
      valeur du point flottant
      Original:
      floating point value
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      [modifier] Retourne la valeur

      la valeur absolue de arg (|arg|)
      Original:
      the absolute value of arg (|arg|)
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      [modifier] Voir aussi




      (C++11)
      calcule la valeur absolue d'une valeur intégrale (|x|)
      Original:
      computes absolute value of an integral value (|x|)
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      (fonction) [edit]
      (C++11)
      vérifie si le nombre donné est négatif
      Original:
      checks if the given number is negative
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      (fonction) [edit]
      renvoie l'amplitude d'un nombre complexe
      Original:
      returns the magnitude of a complex number
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      (fonction générique) [edit]
      applique la fonction std::abs à chaque élément de valarray
      Original:
      applies the function std::abs to each element of valarray
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      (fonction générique) [edit]
      Récupérée de « https://fr.cppreference.com/mwiki/index.php?title=cpp/numeric/math/fabs&oldid=48836 »