expandEven(), expandOdd()
Does not inherit
Local Index
No EntriesSummary
| Prototypes | Header File(s) | |
template <class T> | ||
RWMathVec<T> | expandEven(const RWMathVec<T>&) | <rw/math/mathvec.h> |
RWMathVec<T> | expandOdd(const RWMathVec<T>&) | <rw/math/mathvec.h> |
Description
Given a real sequence V(n), n=0, ..., 2N points long, it is an even sequence if:
V(n) = V(-n) = V(2N -- n),
and an odd sequence if:
V(n) = - V(-n) = - V(2N -- n).
Note that for a sequence to be odd, V(0) = V(N) = 0. Given the lower half of an even sequence, that is, V(n), n=0, ..., N, expandEven() expands it out to the entire sequence V(n), n=0, ..., 2N. Given the lower half of an odd sequence, that is, V(n), n=1, ..., N-1, expandOdd() expands it out to the entire sequence V(n), n=0, ..., 2N.
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