Abstract
In some cases, the logic of operations performed on an array depends on its direction: to or downto. If this direction is not known in advance, e.g. because this array is declared as an unconstrained formal parameter of a subprogram, the predefined attributes LEFT, RIGHT, HIGH, and LOW can be used.
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© 1993 Springer Science+Business Media New York
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Bergé, JM., Fonkoua, A., Maginot, S., Rouillard, J. (1993). Predefined Attribute ’Ascending. In: VHDL’92. The Springer International Series in Engineering and Computer Science, vol 229. Springer, Boston, MA. https://doi.org/10.1007/978-1-4615-3246-0_14
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DOI: https://doi.org/10.1007/978-1-4615-3246-0_14
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