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fegetround, fesetround

De cppreference.com
< c‎ | numeric‎ | fenv

Defined in header <<fenv.h>>
int fesetround( int round );
(1)
int fegetround();
(2) (depuis C++11)
1)
Tentatives pour établir la direction d'arrondi en virgule flottante égale à la round argument de l'argument, qui devrait être l'un des macros flottant arrondi de points .
Original:
Attempts to establish the floating-point rounding direction equal to the argument argument round, which is expected to be one of the macros flottant arrondi de points.
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2)
Retourne la valeur de la flotter macro arrondi point qui correspond à la direction d'approximation courante .
Original:
Returns the value of the flotter macro arrondi point that corresponds to the current rounding direction.
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Sommaire

[modifier] Paramètres

round -
direction arrondissement, l'un des macros flottant arrondi de points
Original:
rounding direction, one of macros flottant arrondi de points
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[modifier] Retourne la valeur

1)
0 en cas de succès, non nuls autrement .
Original:
0 on success, non-zero otherwise.
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2)
l'flotter macro arrondi point décrivant la direction d'approximation courante ou une valeur négative si la direction ne peut pas être déterminée
Original:
the flotter macro arrondi point describing the current rounding direction or a negative value if the direction cannot be determined
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[modifier] Exemple

[modifier] Voir aussi

entier le plus proche en utilisant le mode d'arrondi courant
Original:
nearest integer using current rounding mode
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(fonction) [edit]
(C99)
(C99)
(C99)
entier le plus proche en utilisant le mode d'arrondi courant à l'exception
si le résultat est différent
Original:
nearest integer using current rounding mode with
exception if the result differs
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(fonction) [edit]
C++ documentation for fegetround, fesetround