Ejemplo n.º 1
0
def sgt(computation: BaseComputation) -> None:
    """
    Signed Greater Comparison
    """
    left, right = map(
        unsigned_to_signed,
        computation.stack_pop(num_items=2, type_hint=constants.UINT256),
    )

    if left > right:
        result = 1
    else:
        result = 0

    computation.stack_push(signed_to_unsigned(result))
Ejemplo n.º 2
0
def sgt(computation: BaseComputation) -> None:
    """
    Signed Greater Comparison
    """
    left, right = map(
        unsigned_to_signed,
        computation.stack_pop_ints(2),
    )

    if left > right:
        result = 1
    else:
        result = 0

    computation.stack_push_int(signed_to_unsigned(result))
def smod(computation: BaseComputation) -> None:
    """
    Signed Modulo
    """
    value, mod = map(
        unsigned_to_signed,
        computation.stack_pop(num_items=2, type_hint=constants.UINT256),
    )

    pos_or_neg = -1 if value < 0 else 1

    if mod == 0:
        result = 0
    else:
        result = (abs(value) % abs(mod) * pos_or_neg) & constants.UINT_256_MAX

    computation.stack_push(signed_to_unsigned(result))
def sdiv(computation: BaseComputation) -> None:
    """
    Signed Division
    """
    numerator, denominator = map(
        unsigned_to_signed,
        computation.stack_pop(num_items=2, type_hint=constants.UINT256),
    )

    pos_or_neg = -1 if numerator * denominator < 0 else 1

    if denominator == 0:
        result = 0
    else:
        result = (pos_or_neg * (abs(numerator) // abs(denominator)))

    computation.stack_push(signed_to_unsigned(result))
Ejemplo n.º 5
0
def sdiv(computation: BaseComputation) -> None:
    """
    Signed Division
    """
    numerator, denominator = map(
        unsigned_to_signed,
        computation.stack_pop_ints(2),
    )

    pos_or_neg = -1 if numerator * denominator < 0 else 1

    if denominator == 0:
        result = 0
    else:
        result = (pos_or_neg * (abs(numerator) // abs(denominator)))

    computation.stack_push_int(signed_to_unsigned(result))