utils.py 文件源码

def isclose(a, b, rel_tol=1e-09, abs_tol=0.0):
        "Return true if numbers a and b are close to each other."
        return abs(a - b) <= max(rel_tol * max(abs(a), abs(b)), abs_tol)

# ______________________________________________________________________________
# Misc Functions


# TODO: Use functools.lru_cache memoization decorator