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# arithmetic ops (partially extracted from spectralnorm)

# igv: function_root_docompute_at
def docompute(num):
    for i in range(num):
        sum_ = 0.0
        j = 0
        while j < num:
            sum_ += 1.0 / (((i + j) * (i + j + 1) >> 1) + i + 1)
            j += 1

    return sum_


def measure(num):
    for run in range(num):
        sum_ = docompute(10000)  # 10000
    print("sum", sum_)


def __benchmark__(num=5):
    measure(num)


def __teardown__():
    # teardown example
    print("arith-binop teardown")
