_is_num_param(names, values, to_float=False)
Lets None
pass through. Pass in keyword argument to_float=True
to use float for the conversion rather than int.
>>> _is_num_param(('', ''), (0, 1.0))
[0, 1]
>>> _is_num_param(('', ''), (0, 1.0), to_float=True)
[0.0, 1.0]
>>> _is_num_param(('a'), ('a'))
Traceback (most recent call last):
VdtParamError: passed an incorrect value "a" for parameter "a".
Return numbers from inputs or raise VdtParamError.
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