An enumerated type in std namespace that is used to determine the characteristics for rounding floating point numbers.
| Enumerated Type | Value | Meaning |
|---|---|---|
| round_indeterminate | -1 | The rounding is indeterminable |
| round_toward_zero | 0 | The rounding is toward zero |
| round_to_nearest | 1 | Round is to the nearest value |
| round_toward_infinity | 2 | The rounding is to infinity |
| round_toward_neg_infinity | 3 | The rounding is to negative infinity |