Last change
on this file since 2747 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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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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