|
Last change
on this file since 2897 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.
|
|
File size:
1.7 KB
|
| Rev | Line | |
|---|
| [2732] | 1 | //
|
|---|
| 2 | // C++ Implementation: Locator
|
|---|
| 3 | //
|
|---|
| 4 | // Description:
|
|---|
| 5 | //
|
|---|
| 6 | //
|
|---|
| 7 | // Author: Takeshi Nakazato <takeshi.nakazato@nao.ac.jp>, (C) 2012
|
|---|
| 8 | //
|
|---|
| 9 | // Copyright: See COPYING file that comes with this distribution
|
|---|
| 10 | //
|
|---|
| 11 | //
|
|---|
| 12 | #include <assert.h>
|
|---|
| 13 |
|
|---|
| 14 | #include "Locator.h"
|
|---|
| 15 |
|
|---|
| 16 | namespace asap {
|
|---|
| 17 | template <class T> Locator<T>::Locator()
|
|---|
| 18 | : x_(0),
|
|---|
| 19 | n_(0),
|
|---|
| 20 | ascending_(true),
|
|---|
| 21 | copy_(false)
|
|---|
| 22 | {
|
|---|
| 23 | }
|
|---|
| 24 |
|
|---|
| 25 | template <class T> Locator<T>::Locator(T *v, unsigned int n, bool copystorage)
|
|---|
| 26 | : x_(0),
|
|---|
| 27 | n_(0),
|
|---|
| 28 | ascending_(true),
|
|---|
| 29 | copy_(false)
|
|---|
| 30 | {
|
|---|
| 31 | set(v, n, copystorage);
|
|---|
| 32 | }
|
|---|
| 33 |
|
|---|
| 34 | template <class T> Locator<T>::~Locator()
|
|---|
| 35 | {
|
|---|
| 36 | if (copy_ && x_)
|
|---|
| 37 | delete[] x_;
|
|---|
| 38 | }
|
|---|
| 39 |
|
|---|
| 40 | template <class T> void Locator<T>::set(T *v, unsigned int n, bool copystorage)
|
|---|
| 41 | {
|
|---|
| 42 | if (copy_) {
|
|---|
| 43 | if (!copystorage || n > n_) {
|
|---|
| 44 | delete[] x_;
|
|---|
| 45 | x_ = 0;
|
|---|
| 46 | }
|
|---|
| 47 | }
|
|---|
| 48 | copy_ = copystorage;
|
|---|
| 49 | n_ = n;
|
|---|
| 50 | if (copy_) {
|
|---|
| 51 | if (!x_)
|
|---|
| 52 | x_ = new double[n_];
|
|---|
| 53 | for (unsigned int i = 0; i < n_; i++)
|
|---|
| 54 | x_[i] = v[i];
|
|---|
| 55 | }
|
|---|
| 56 | else {
|
|---|
| 57 | x_ = v;
|
|---|
| 58 | }
|
|---|
| 59 | ascending_ = (x_[0] <= x_[n_-1]);
|
|---|
| 60 | }
|
|---|
| 61 |
|
|---|
| 62 | template <class T> unsigned int Locator<T>::bisection(T x, unsigned int left, unsigned int right)
|
|---|
| 63 | {
|
|---|
| 64 | unsigned int jl = left;
|
|---|
| 65 | unsigned int ju = right;
|
|---|
| 66 |
|
|---|
| 67 | if (ascending_) {
|
|---|
| 68 | // ascending order
|
|---|
| 69 | if (x <= x_[0])
|
|---|
| 70 | return 0;
|
|---|
| 71 | else if (x > x_[n_-1])
|
|---|
| 72 | return n_;
|
|---|
| 73 |
|
|---|
| 74 | unsigned int jm;
|
|---|
| 75 | while (ju - jl > 1) {
|
|---|
| 76 | jm = (ju + jl) / 2;
|
|---|
| 77 | if (x > x_[jm])
|
|---|
| 78 | jl = jm;
|
|---|
| 79 | else
|
|---|
| 80 | ju = jm;
|
|---|
| 81 | }
|
|---|
| 82 | }
|
|---|
| 83 | else {
|
|---|
| 84 | // descending order
|
|---|
| 85 | if (x >= x_[0])
|
|---|
| 86 | return 0;
|
|---|
| 87 | else if (x < x_[n_-1])
|
|---|
| 88 | return n_;
|
|---|
| 89 |
|
|---|
| 90 | unsigned int jm;
|
|---|
| 91 | while (ju - jl > 1) {
|
|---|
| 92 | jm = (ju + jl) / 2;
|
|---|
| 93 | if (x < x_[jm])
|
|---|
| 94 | jl = jm;
|
|---|
| 95 | else
|
|---|
| 96 | ju = jm;
|
|---|
| 97 | }
|
|---|
| 98 | }
|
|---|
| 99 |
|
|---|
| 100 | return ju;
|
|---|
| 101 | }
|
|---|
| 102 |
|
|---|
| 103 | }
|
|---|
Note:
See
TracBrowser
for help on using the repository browser.
