Namespace
Varianti

FLT_ROUNDS

Da cppreference.com.
< cpp‎ | types‎ | climits

 
 
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Funzione oggetti
initializer_list(C++11)
bitset
hash(C++11)
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Relational operators
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rel_ops::operator!=
rel_ops::operator>
rel_ops::operator<=
rel_ops::operator>=
Coppie e tuple
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Pairs and tuples
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pair
tuple(C++11)
piecewise_construct_t(C++11)
piecewise_construct(C++11)
Swap, in avanti e spostare
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Swap, forward and move
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swap
forward(C++11)
move(C++11)
move_if_noexcept(C++11)
declval(C++11)
 
Tipo di supporto
Tipi base
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Basic types
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Tipi fondamentali
Larghezza fissa interi tipi (C++11)
Limiti numerici
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Numeric limits
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numeric_limits
C numerico limita interfaccia
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Runtime type information
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Tipo tratti
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Categorie di tipo primario
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is_void(C++11)
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is_rvalue_reference(C++11)
is_member_pointer(C++11)
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Proprietà del tipo
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Operazioni supportate
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Supported operations
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is_constructible
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(C++11)
(C++11)
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(C++11)
(C++11)
is_move_constructible
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(C++11)
(C++11)
is_assignable
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(C++11)
(C++11)
is_copy_assignable
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(C++11)
(C++11)
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(C++11)
(C++11)
is_destructible
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(C++11)
(C++11)
has_virtual_destructor(C++11)
I rapporti e le query di proprietà
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(C++11)
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Tipo di trasformazioni
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decay(C++11)
enable_if(C++11)
conditional(C++11)
common_type(C++11)
underlying_type(C++11)
result_of(C++11)
Digitare costanti tratto
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Type trait constants
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integral_constant(C++11)
 
 
Defined in header <cfloat>
#define FLT_ROUNDS /* implementation defined */
(dal C++11)
Specifica la direzione arrotondamento di operazioni in virgola mobile aritmetiche. Uguale a std::float_round_style
Original:
Specifies the rounding direction of floating-point arithmetic operations. Equal to std::float_round_style
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Valore
Original:
Value
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Explanation
-1
la direzione dell'arrotondamento predefinito non è noto
Original:
the default rounding direction is not known
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0
verso lo zero
Original:
toward zero
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1
al più vicino
Original:
to nearest
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2
verso l'infinito positivo
Original:
towards positive infinity
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3
verso l'infinito negativo
Original:
towards negative infinity
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other values
implementazione definita comportamento
Original:
implementation-defined behavior
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[modifica] Vedi anche

C documentation for FLT_ROUNDS