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On 15/09/2014 20:59, gottlieb@×××.edu wrote: |
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> On Mon, Sep 15 2014, Alan McKinnon wrote: |
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> |
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>> My favourite Fortran story: |
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>> |
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>> One of the Mariner spacecraft yonks ago was sent a routine regular |
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>> course correction. It flew off at some wild angle and was never seen |
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>> again, and because the antenna was pointing in the wrong direction comms |
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>> could not be re-established. Oops. Expensive spacecraft down the drain.... |
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>> |
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>> The bug was eventually trace to a comma instead of a period in some |
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>> Fortran code (made a huge difference). Note that many code reviews |
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>> missed the bug, and the compiler accepted it as valid syntax |
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> |
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> Perhaps instead of |
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> |
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> Do 15 i=1,10 |
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> |
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> a loop from 1 to 10 |
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> |
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> we had |
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> |
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> Do 15 i=1.10 |
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> |
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> which is the same in fortran as |
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> |
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> do15i = 1.0 |
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> |
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> an assignment statement. |
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If memory serves if was indeed something like that. |
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-- |
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Alan McKinnon |
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alan.mckinnon@×××××.com |
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