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A fract_vector
object can be constructed from an
integer_row
(see section Row Manipulation) or another
fract_vector
. A constructor is also available that takes the
number of elements and creates an empty fract_vector
(the
elements are initialized to 0).
The n
method returns the number of elements in the vector. The
elt
method and []
operator take an element number as an
argument and return a reference to the fraction at that position in the
vector. The is_zero
method returns TRUE
if all elements
of the vector are 0. Also, equality, inequality and assignment
operators are available.
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