45 lines
973 B
Plaintext
45 lines
973 B
Plaintext
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{{alias}}( idx, max, mode )
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Returns an index given an index mode.
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Parameters
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----------
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idx: integer
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Index.
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max: integer
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Maximum index value.
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mode: string
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Specifies how to handle an index outside the interval [0,max]. If equal
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to 'throw', the function throws an error. If equal to 'wrap', the
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function wraps around an index using modulo arithmetic. If equal to
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'clamp', the function sets an index to either `0` (minimum index) or the
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maximum index.
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Returns
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-------
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out: integer
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Index.
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Examples
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--------
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> var idx = {{alias}}( 2, 10, 'throw' )
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2
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> idx = {{alias}}( 2, 10, 'wrap' )
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2
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> idx = {{alias}}( -4, 10, 'wrap' )
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7
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> idx = {{alias}}( 13, 10, 'wrap' )
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2
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> idx = {{alias}}( 2, 10, 'clamp' )
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2
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> idx = {{alias}}( -4, 10, 'clamp' )
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0
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> idx = {{alias}}( 13, 10, 'clamp' )
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10
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See Also
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--------
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