| slovo | definícia |
one-dimensional array
(foldoc) | one-dimensional array
An array with only one dimension; the simplest kind of
array, consisting of a sequence of items ("elements"), all of the
same type. An element is selected by an integer index that
normally starts at zero for the first element and increases by
one. The index of the last element is thus the length of the
array minus one.
A one-dimensional array is also known as a vector. It should
not be confused with a list. In some languages, e.g. Perl,
all arrays are one-dimensional and higher dimensions are
represented as arrays of pointers to arrays (which can have
different sizes and can themselves contain pointers to arrays and
so on).
A one-dimensional array maps simply to memory: the address of an
element with index i is
A(i) = A0 + i * s
where A0 is the base address of the array and s is the size of
storage used for each element, the "stride". Elements may be
padded to certain address boundaries, e.g. machine words, to
increase access speed, in which case the stride will be larger
than the amount of data in an element.
(2014-03-22)
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