source: trunk/src/Interpolator1D.cpp@ 2732

Last change on this file since 2732 was 2731, 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...

Redefined Locator and its derived classes as template class.


File size: 1.5 KB
Line 
1//
2// C++ Implementation: Interpolator1D
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 <casa/Arrays/Vector.h>
15#include <casa/Exceptions/Error.h>
16
17#include "Interpolator1D.h"
18#include "Locator.h"
19#include "BisectionLocator.h"
20#include "HuntLocator.h"
21
22using namespace casa;
23
24namespace asap {
25
26Interpolator1D::Interpolator1D()
27 : order_(1),
28 n_(0),
29 x_(0),
30 y_(0),
31 locator_(0)
32{
33}
34
35Interpolator1D::~Interpolator1D()
36{
37 if (locator_)
38 delete locator_;
39}
40
41void Interpolator1D::setData(double *x, float *y, unsigned int n)
42{
43 x_ = x;
44 y_ = y;
45 n_ = n;
46 createLocator();
47 locator_->set(x, n);
48}
49
50void Interpolator1D::setX(double *x, unsigned int n)
51{
52 assert(n_ == 0 || n_ == n);
53 x_ = x;
54 n_ = n;
55 createLocator();
56 locator_->set(x, n);
57}
58
59void Interpolator1D::setY(float *y, unsigned int n)
60{
61 assert(n_ == 0 || n_ == n);
62 y_ = y;
63 n_ = n;
64}
65
66void Interpolator1D::reset()
67{
68 n_ = 0;
69 x_ = 0;
70 y_ = 0;
71 if (locator_) {
72 delete locator_;
73 locator_ = 0;
74 }
75}
76
77bool Interpolator1D::isready()
78{
79 return (n_ > 0 && x_ != 0 && y_ != 0);
80}
81
82unsigned int Interpolator1D::locate(double x)
83{
84 return locator_->locate(x);
85}
86
87void Interpolator1D::createLocator()
88{
89 if (!locator_) {
90 if (n_ > 1000)
91 locator_ = new HuntLocator<double>();
92 else
93 locator_ = new BisectionLocator<double>();
94 }
95}
96
97}
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