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Last change
on this file since 2997 was 2732, checked in by Takeshi Nakazato, 12 years ago |
New Development: No
JIRA Issue: Yes CAS-4770
Ready for Test: Yes
Interface Changes: Yes/No
What Interface Changed: Please list interface changes
Test Programs: List test programs
Put in Release Notes: Yes/No
Module(s): Module Names change impacts.
Description: Describe your changes here...
Commit .tcc files for Locator classes.
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File size:
1.5 KB
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| [2732] | 1 | //
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| 2 | // C++ Implementation: BufferedBisectionLocator
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| 3 | //
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| 4 | // Description:
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| 5 | //
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| 6 | //
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| 7 | // Author: Takeshi Nakazato <takeshi.nakazato@nao.ac.jp>, (C) 2012
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| 8 | //
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| 9 | // Copyright: See COPYING file that comes with this distribution
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| 10 | //
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| 11 | //
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| 12 | #include <assert.h>
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| 13 |
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| 14 | #include "BufferedBisectionLocator.h"
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| 15 |
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| 16 | namespace asap {
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| 17 | template <class T> BufferedBisectionLocator<T>::BufferedBisectionLocator()
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| 18 | : Locator<T>(),
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| 19 | prev_(0)
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| 20 | {}
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| 21 |
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| 22 | template <class T>
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| 23 | BufferedBisectionLocator<T>::BufferedBisectionLocator(T *v, unsigned int n,
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| 24 | bool copystorage)
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| 25 | : Locator<T>(v, n, copystorage),
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| 26 | prev_(0)
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| 27 | {}
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| 28 |
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| 29 | template <class T> BufferedBisectionLocator<T>::~BufferedBisectionLocator()
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| 30 | {}
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| 31 |
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| 32 | template <class T> unsigned int BufferedBisectionLocator<T>::locate(T x)
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| 33 | {
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| 34 | if (this->n_ == 1)
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| 35 | return 0;
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| 36 |
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| 37 | unsigned int jl = 0;
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| 38 | unsigned int ju = this->n_;
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| 39 | if (this->ascending_) {
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| 40 | // ascending order
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| 41 | if (x <= this->x_[0])
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| 42 | return 0;
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| 43 | else if (x > this->x_[this->n_-1])
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| 44 | return this->n_;
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| 45 |
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| 46 | if (x < this->x_[prev_]) {
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| 47 | ju = this->bisection(x, jl, prev_);
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| 48 | }
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| 49 | else {
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| 50 | ju = this->bisection(x, prev_, ju);
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| 51 | }
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| 52 |
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| 53 | }
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| 54 | else {
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| 55 | // descending order
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| 56 | if (x >= this->x_[0])
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| 57 | return 0;
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| 58 | else if (x < this->x_[this->n_-1])
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| 59 | return this->n_;
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| 60 |
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| 61 | if (x > this->x_[prev_]) {
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| 62 | ju = this->bisection(x, jl, prev_);
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| 63 | }
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| 64 | else {
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| 65 | ju = this->bisection(x, prev_, ju);
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| 66 | }
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| 67 | }
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| 68 |
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| 69 | prev_ = (ju > 0) ? ju - 1 : 0;
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| 70 | return ju;
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| 71 | }
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| 72 |
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| 73 | }
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