Function equalWithAbsError

src/python/PyImathTest/pyImathTest.py:102–110

(x1, x2, e)

# between vector and scalar types for our purposes here

def equalWithAbsError(x1, x2, e):
    if hasattr(x1, '__len__') and hasattr(x1, '__getitem__') and hasattr(x2, '__len__') and hasattr(x2, '__getitem__'):
        assert(len(x1) == len(x2))
        for i in range(0, len(x1)):
            if not equalWithAbsErrorScalar(x1[i], x2[i], e):
                return False
        return True
    else:
        return equalWithAbsErrorScalar(x1, x2, e)

def equalWithRelErrorScalar(x1, x2, e):
    return abs(x1 - x2) <= e * abs(x1)