[Octave-bug-tracker] [bug #34713] str2double() ignores spaces and multiple commas

[Philip Nienhuis]

Follow-up Comment #3, bug #34713 (project octave):

Thanks for looking into this.

FYI, ML r2007a does this:

>> str2double ('1,2,3,4')
ans =
        1234

>> str2double ('1 2 3 4')
ans =
   NaN

>> str2double ('1,234')
ans =
        1234

The first looks like a subtle ML bug to me - while commas are to be
interpreted as thousands separators, they turn out to concatenate groups of
any number of digits in ML r2007a.
(I'd expect only constructs with 3-digit groups to the right of the leftmost
comma would be accepted, like this:

>> str2double ('1,200,300,400')
ans =
  1.2003e+009
)


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