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7 lines
394 B
Plaintext
7 lines
394 B
Plaintext
Binary_search implements a generic binary search algorithm returning the
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position of the first record whose index value is greater than or equal
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to $val. The search routine does not define any of the terms position,
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record or index value, but leaves their interpretation and
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implementation to the user supplied function &$read(). The only
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restriction is that positions must be integer scalars.
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