# std::float_round_style

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< cpp‎ | types‎ | numeric limits

Defined in header `<limits>` |  |
enum float_round_style { round_indeterminate = -1, round_toward_zero = 0, round_to_nearest = 1, round_toward_infinity = 2, round_toward_neg_infinity = 3 }; |  |

Enumeration constants of type std::float_round_style indicate the rounding style used by floating-point arithmetics 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

round_style [static] | identifies the rounding style used by the type (public static member constant)
FE_DOWNWARDFE_TONEARESTFE_TOWARDZEROFE_UPWARD (C++11) | floating-point rounding direction (macro constant)

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