std:: float_round_style
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Basic types | |||||||||||||||||||||
Fixed width integer types (C++11) | |||||||||||||||||||||
Fixed width floating-point types (C++23) | |||||||||||||||||||||
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Numeric limits | |||||||||||||||||||||
C numeric limits interface | |||||||||||||||||||||
Runtime type information | |||||||||||||||||||||
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Static constants | ||||
(C++11)
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Static member functions | ||||
(C++11)
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Helper types | ||||
float_round_style
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Defined in header
<limits>
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enum
float_round_style
{
round_indeterminate
=
-
1
,
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Enumeration constants of type
std::float_round_style
indicate the rounding style used by floating-point arithmetic whenever a result of an expression is stored in an object of a floating-point type. The values are:
Enumeration constants
Name | Definition |
std::round_indeterminate | Rounding style cannot be determined |
std::round_toward_zero | Rounding toward zero |
std::round_to_nearest | Rounding toward nearest representable value |
std::round_toward_infinity | Rounding toward positive infinity |
std::round_toward_neg_infinity | Rounding toward negative infinity |
See also
[static]
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identifies the rounding style used by the type
(public static member constant) |
floating-point rounding direction
(macro constant) |