Last change
on this file since 2743 was
2733,
checked in by Takeshi Nakazato, 11 years ago
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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 Interpolator1D and derived classes as template class.
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File size:
971 bytes
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Line | |
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1 | // |
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2 | // C++ Implementation: LinearInterpolator1D |
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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 "LinearInterpolator1D.h" |
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15 | |
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16 | namespace asap { |
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17 | |
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18 | template <class T, class U> |
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19 | LinearInterpolator1D<T, U>::LinearInterpolator1D() |
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20 | : Interpolator1D<T, U>() |
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21 | {} |
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22 | |
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23 | template <class T, class U> |
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24 | LinearInterpolator1D<T, U>::~LinearInterpolator1D() |
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25 | {} |
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26 | |
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27 | template <class T, class U> U LinearInterpolator1D<T, U>::interpolate(T x) |
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28 | { |
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29 | assert(this->isready()); |
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30 | if (this->n_ == 1) |
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31 | return this->y_[0]; |
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32 | |
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33 | unsigned int i = this->locator_->locate(x); |
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34 | |
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35 | // do not perform extrapolation |
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36 | if (i == 0) { |
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37 | return this->y_[i]; |
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38 | } |
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39 | else if (i == this->n_) { |
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40 | return this->y_[i-1]; |
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41 | } |
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42 | |
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43 | // linear interpolation |
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44 | U y = this->y_[i-1] + (this->y_[i] - this->y_[i-1]) * (x - this->x_[i-1]) |
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45 | / (this->x_[i] - this->x_[i-1]); |
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46 | return y; |
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47 | } |
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48 | |
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49 | } |
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