def _le(val1, val2) -> float:
"""Distance computation for '<='"""
if val1 <= val2:
return 0.0
if is_numeric(val1) and is_numeric(val2):
return (val1 - val2) + 1.0
return inf
def _eq(val1, val2) -> float:
"""Distance computation for '=='"""
if val1 == val2:
return 0.0
if is_numeric(val1) and is_numeric(val2):
return abs(val1 - val2)
if is_string(val1) and is_string(val2):
return levenshtein_distance(val1, val2)
return inf
def _le(val1, val2) -> float:
"""Distance computation for '<='
Args:
val1: the first value
val2: the second value
Returns:
the distance
"""
if val1 <= val2:
return 0.0
if is_numeric(val1) and is_numeric(val2):
return (val1 - val2) + 1.0
return inf
def _eq(val1, val2) -> float:
"""Distance computation for '=='
Args:
val1: the first value
val2: the second value
Returns:
the distance
"""
if val1 == val2:
return 0.0
if is_numeric(val1) and is_numeric(val2):
return abs(val1 - val2)
if is_string(val1) and is_string(val2):
return levenshtein_distance(val1, val2)
return inf
def test_is_numeric(value, result):
assert is_numeric(value) == result
