a if condition is 0, a copy of b otherwise.Selects between two BigInt values in constant time.
Returns a copy of a if condition is 0, or a copy of b if condition is non-zero. The selection is performed without branching.
condition | Selection flag (0 selects a, non-zero selects b). |
a | Value returned when condition is 0. |
b | Value returned when condition is non-zero. |
a if condition is 0, a copy of b otherwise.