Free functions
| round_down | Rounds down to the nearest integer (floor). |
| round_up | Rounds up to the nearest integer (ceiling). |
| round_half_up | Standard rounding (half up). Rounds to nearest integer, with 0.5 rounding up. |
| round_toward_zero | Rounds toward zero (truncation)…. |
| round_away_from_zero | Rounds away from zero…. |
| truncate_decimals | — |
| round_to_decimals | — |
| approx_equal | — |
| clamp | — |
| min | — |
| max | — |
| _split_unsigned | — |