1 | // |
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2 | // C++ Implementation: Calibrator |
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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 <casa/Arrays/Vector.h> |
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15 | #include <casa/Exceptions/Error.h> |
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16 | |
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17 | #include "Calibrator.h" |
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18 | |
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19 | using namespace casa; |
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20 | |
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21 | namespace asap { |
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22 | |
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23 | Calibrator::Calibrator() |
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24 | : nchan_(0), |
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25 | nchanS_(0), |
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26 | source_(0), |
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27 | ref_(0), |
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28 | ref2_(0), |
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29 | scaler_(0), |
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30 | calibrated_(0) |
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31 | {} |
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32 | |
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33 | Calibrator::Calibrator(unsigned int nchan) |
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34 | : nchan_(nchan), |
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35 | nchanS_(0), |
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36 | source_(0), |
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37 | ref_(0), |
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38 | ref2_(0), |
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39 | scaler_(0), |
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40 | calibrated_(0) |
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41 | {} |
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42 | |
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43 | Calibrator::~Calibrator() |
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44 | { |
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45 | freeStorage(); |
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46 | } |
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47 | |
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48 | void Calibrator::setSource(Vector<Float> &v) |
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49 | { |
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50 | if (nchan_ == 0) { |
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51 | nchan_ = v.nelements(); |
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52 | initStorage(); |
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53 | } |
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54 | else if (nchan_ != v.nelements()) { |
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55 | freeStorage(); |
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56 | nchan_ = v.nelements(); |
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57 | initStorage(); |
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58 | } |
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59 | set(source_, v); |
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60 | } |
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61 | |
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62 | void Calibrator::set(Float *p, Vector<Float> &v) |
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63 | { |
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64 | Float *work = p; |
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65 | for (unsigned int i = 0; i < v.nelements(); i++) { |
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66 | *work = v[i]; |
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67 | work++; |
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68 | } |
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69 | } |
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70 | |
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71 | void Calibrator::setReference(Vector<Float> &v) |
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72 | { |
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73 | assert(v.nelements() == nchan_); |
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74 | set(ref_, v); |
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75 | } |
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76 | |
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77 | void Calibrator::setReference2(Vector<Float> &v) |
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78 | { |
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79 | assert(v.nelements() == nchan_); |
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80 | if (!ref2_) |
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81 | ref2_ = new Float[nchan_]; |
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82 | set(ref2_, v); |
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83 | } |
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84 | |
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85 | void Calibrator::setScaler(Vector<Float> &v) |
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86 | { |
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87 | assert(v.nelements() == nchan_ || v.nelements() == 1); |
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88 | if (nchanS_ == 0) { |
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89 | nchanS_ = v.nelements(); |
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90 | if (!scaler_) |
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91 | scaler_ = new Float[nchanS_]; |
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92 | } |
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93 | else if (v.nelements() != nchanS_) { |
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94 | if (scaler_) |
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95 | delete[] scaler_; |
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96 | nchanS_ = v.nelements(); |
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97 | scaler_ = new Float[nchanS_]; |
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98 | } |
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99 | set(scaler_, v); |
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100 | } |
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101 | |
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102 | void Calibrator::initStorage() |
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103 | { |
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104 | freeStorage(); |
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105 | source_ = new Float[nchan_]; |
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106 | ref_ = new Float[nchan_]; |
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107 | calibrated_ = new Float[nchan_]; |
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108 | } |
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109 | |
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110 | void Calibrator::freeStorage() |
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111 | { |
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112 | if (source_) { |
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113 | delete[] source_; |
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114 | source_ = 0; |
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115 | } |
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116 | if (ref_) { |
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117 | delete[] ref_; |
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118 | ref_ = 0; |
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119 | } |
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120 | if (ref2_) { |
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121 | delete[] ref2_; |
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122 | ref2_ = 0; |
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123 | } |
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124 | if (scaler_) { |
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125 | delete[] scaler_; |
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126 | scaler_ = 0; |
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127 | } |
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128 | if (calibrated_) { |
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129 | delete[] calibrated_; |
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130 | calibrated_ = 0; |
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131 | } |
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132 | } |
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133 | |
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134 | const Vector<Float> Calibrator::getCalibrated() |
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135 | { |
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136 | return Vector<Float>(IPosition(1,nchan_), calibrated_, SHARE); |
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137 | } |
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138 | |
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139 | } |
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