1 | # This modules are implemented from the UML shown bellow
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2 | # http://www.openehr.org/uml/release-1.0.1/Browsable/_9_0_76d0249_1109599337877_94556_1510Report.html
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3 | # Ticket refs #50
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4 | #require 'assumed_library_types'
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5 | module OpenEhr
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6 | module RM
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7 | module DataTypes
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8 | module Quantity
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9 |
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10 | # autoload :Date_Time, "rm/data_types/quantity/date_time.rb"
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11 |
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12 | class DvOrdered < OpenEhr::RM::DataTypes::Basic::DataValue
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13 | include Comparable
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14 | attr_accessor :normal_range, :other_refference_ranges, :normal_status
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15 |
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16 | def initialize(normal_range=nil, normal_status = nil,
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17 | other_reference_ranges=nil)
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18 | self.normal_range = normal_range
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19 | self.normal_status = normal_status
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20 | self.other_reference_ranges = other_reference_ranges
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21 | end
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22 |
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23 | def is_normal?
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24 | if @normal_range.nil? and @normal_status.nil?
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25 | return false
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26 | elsif !@normal_range.nil?
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27 | return @normal_range.has(@value)
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28 | elsif !@normal_status.nil?
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29 | return @normal_status.code_string == 'N'
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30 | end
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31 | end
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32 |
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33 | def is_simple?
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34 | normal_status.nil? and other_refference_ranges.nil?
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35 | end
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36 |
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37 | def <=>(other)
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38 | raise NotImplementedError, 'This method should be implemented'
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39 | end
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40 |
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41 | def other_reference_ranges=(other_reference_ranges)
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42 | unless other_reference_ranges.nil? or !other_reference_ranges.is_empty?
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43 | raise ArgumentError, "Other reference ranges validity error"
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44 | end
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45 | @other_reference_ranges = other_reference_ranges
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46 | end
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47 |
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48 | def is_strictly_comparable_to?(other)
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49 | raise NotImplementedError, 'this method should be implemented'
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50 | end
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51 | end
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52 |
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53 | class DvInterval < OpenEhr::AssumedLibraryTypes::Interval
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54 |
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55 | end
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56 |
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57 | class DvQuantified < DvOrdered
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58 | attr_reader :magnitude, :magnitude_status
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59 |
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60 | def initialize(magnitude, magnitude_status=nil,
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61 | normal_range=nil, normal_status = nil,
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62 | other_reference_ranges=nil)
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63 | super(normal_range, normal_status, other_reference_ranges)
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64 | self.magnitude = magnitude
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65 | self.magnitude_status = magnitude_status
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66 | end
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67 |
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68 | def <=>(others)
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69 | @value <=> others.value
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70 | end
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71 |
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72 | def magnitude=(magnitude)
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73 | raise ArgumentError, 'magnitude should not be nil' if magnitude.nil?
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74 | @magnitude = magnitude
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75 | end
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76 |
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77 | def magnitude_status=(magnitude_status)
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78 | if magnitude_status.nil?
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79 | @magnitude_status = '='
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80 | elsif DvQuantified.valid_magnitude_status?(magnitude_status)
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81 | @magnitude_status = magnitude_status
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82 | else
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83 | raise ArgumentError, 'magnitude_status invalid'
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84 | end
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85 | end
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86 |
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87 | def accuracy_unknown?
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88 | return @accuracy.nil?
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89 | end
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90 |
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91 | def self.valid_magnitude_status?(s)
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92 | if s == '=' || s == '>' || s == '<' || s == '<=' ||
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93 | s == '>=' || s == '~'
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94 | return true
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95 | else
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96 | return false
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97 | end
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98 | end
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99 | end
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100 |
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101 | class DvOrdinal < DvOrdered
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102 | attr_reader :value, :symbol, :limits
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103 |
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104 | def initialize(value, symbol, limits=nil, normal_range=nil,
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105 | normal_status = nil, other_reference_ranges=nil)
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106 | self.value = value
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107 | self.symbol = symbol
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108 | self.limits = limits
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109 | super(normal_range, normal_status, other_reference_ranges)
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110 | end
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111 |
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112 | def value=(value)
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113 | raise ArgumentError, 'value should not be nil' if value.nil?
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114 | @value = value
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115 | end
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116 |
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117 | def symbol=(symbol)
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118 | raise ArgumentError,'symbol should not be nil' if symbol.nil?
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119 | @symbol = symbol
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120 | end
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121 |
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122 | def is_strictly_comparable_to?(others)
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123 | unless others.instance_of? OpenEhr::RM::DataTypes::Quantity::DvOrdinal
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124 | return false
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125 | end
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126 | unless others.symbol.defining_code.terminology_id.value ==
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127 | @symbol.defining_code.terminology_id.value
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128 | return false
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129 | end
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130 | return true
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131 | end
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132 |
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133 | def <=>(other)
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134 | @value <=> other.value
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135 | end
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136 |
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137 | def limits=(limits)
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138 | unless limits.nil? or limits.meaning.value == 'limits'
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139 | raise ArgumentError, 'invalid limits'
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140 | else
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141 | @limits = limits
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142 | end
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143 | end
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144 | end
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145 |
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146 | class DvAbsoluteQuantity < DvQuantified
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147 | attr_accessor :accuracy
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148 |
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149 | def initialize(magnitude, magnitude_status=nil, accuracy=nil,
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150 | normal_range=nil, normal_status = nil,
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151 | other_reference_ranges=nil)
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152 | super(magnitude, magnitude_status, normal_range,
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153 | normal_status, other_reference_ranges)
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154 | self.accuracy = accuracy
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155 | end
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156 |
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157 | def add(a_diff)
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158 | raise NotImplementedError, 'add must be implemented'
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159 | end
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160 |
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161 | def diff(other)
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162 | raise NotImplementedError, 'diff must be implemented'
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163 | end
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164 |
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165 | def subtract(a_diff)
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166 | raise NotImplementedError, 'subtract must be implemented'
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167 | end
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168 | end
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169 |
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170 | class DvAmount < DvQuantified
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171 | attr_reader :accuracy, :accuracy_percent
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172 | def initialize(magnitude, magnitude_status=nil, accuracy=nil,
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173 | accuracy_percent=nil, normal_range=nil,
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174 | normal_status = nil, other_reference_ranges=nil)
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175 | super(magnitude, magnitude_status, normal_range,
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176 | normal_status, other_reference_ranges)
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177 | unless accuracy.nil?
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178 | set_accuracy(accuracy, accuracy_percent)
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179 | else
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180 | @accuracy, @accuracy_percent = nil, nil
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181 | end
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182 | end
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183 |
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184 | def +(other)
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185 | unless self.is_strictly_comparable_to?(other)
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186 | raise ArgumentError, 'type mismatch'
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187 | end
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188 | return DvAmount.new(@magnitude+other.magnitude, @magnitude_status,
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189 | @accuracy, @accuracy_percent, @normal_range,
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190 | @normal_status, @other_reference_ranges)
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191 | end
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192 |
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193 | def -(other)
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194 | other.magnitude = - other.magnitude
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195 | self+(other)
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196 | end
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197 |
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198 | def set_accuracy(accuracy, accuracy_percent)
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199 | if accuracy_percent
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200 | raise ArgumentError, 'accuracy invalid' if accuracy < 0.0 || accuracy > 100.0
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201 | else
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202 | raise ArgumentError, 'accuracy invaild' if accuracy < 0.0 || accuracy > 1.0
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203 | end
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204 | @accuracy, @accuracy_percent = accuracy, accuracy_percent
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205 | end
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206 |
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207 | def accuracy_is_percent?
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208 | return @accuracy_percent
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209 | end
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210 | end
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211 |
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212 | class DvQuantity < DvAmount
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213 | attr_reader :units, :precision
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214 | def initialize(magnitude, units, magnitude_status=nil, precision=nil,
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215 | accuracy=nil, accuracy_percent=nil, normal_range=nil,
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216 | normal_status = nil, other_reference_ranges=nil)
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217 | super(magnitude, magnitude_status, accuracy, accuracy_percent,
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218 | normal_range, normal_status, other_reference_ranges)
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219 | self.units = units
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220 | self.precision = precision
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221 | end
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222 |
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223 | def units=(units)
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224 | raise ArgumentError, 'units should not be nil' if units.nil?
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225 | @units = units
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226 | end
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227 |
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228 | def precision=(precision)
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229 | unless precision.nil? || precision >= -1
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230 | raise ArgumentError, 'precision invalid'
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231 | end
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232 | @precision = precision
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233 | end
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234 |
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235 | def is_strictly_comparable_to?(others)
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236 | return false if others.nil?
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237 | if others.instance_of?(DvQuantity) && others.units == @units
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238 | return true
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239 | else
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240 | return false
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241 | end
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242 | end
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243 |
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244 | def is_integral?
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245 | if @precision.nil? || precision != 0
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246 | return false
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247 | else
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248 | return true
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249 | end
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250 | end
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251 | # accuracy???
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252 | def +(other)
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253 | dv_amount = super(other)
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254 | return DvQuantity.new(dv_amount.magnitude, @units,
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255 | @magnitude_status, @precision,
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256 | @accuracy, @accuracy_percent, @normal_range,
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257 | @normal_status, @other_reference_ranges)
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258 | end
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259 | end
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260 |
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261 | class DvCount < DvAmount
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262 | def is_strictly_comparable_to?(others)
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263 | return false if others.nil?
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264 | if others.instance_of?(DvCount)
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265 | return true
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266 | else
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267 | return false
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268 | end
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269 | end
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270 | end
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271 |
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272 | class ReferenceRange
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273 | attr_reader :meaning, :range
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274 |
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275 | def initialize(meaning, range)
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276 | self.meaning = meaning
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277 | self.range = range
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278 | end
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279 |
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280 | def meaning=(meaning)
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281 | if meaning.nil?
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282 | raise ArgumentError, 'meaning should not be nil'
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283 | end
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284 | @meaning = meaning
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285 | end
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286 |
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287 | def range=(range)
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288 | if range.nil?
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289 | raise ArgumentError, 'range should not be nil'
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290 | end
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291 | @range = range
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292 | end
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293 |
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294 | def is_in_range?(val)
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295 | return @range.has?(val)
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296 | end
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297 | end
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298 |
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299 | module ProportionKind
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300 | PK_RATIO = 0
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301 | PK_UNITARY = 1
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302 | PK_PERCENT = 2
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303 | PK_FRACTION = 3
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304 | PK_INTEGER_FRACTION = 4
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305 |
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306 | def ProportionKind.valid_proportion_kind?(kind)
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307 | return true if kind >= 0 && kind <= 4
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308 | return false
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309 | end
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310 | end # end of ProportionKind
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311 |
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312 | class DvProportion < DvAmount
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313 | include ProportionKind
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314 | attr_reader :numerator, :denominator, :type, :precision
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315 |
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316 | def initialize(numerator, denominator, type, precision=nil,
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317 | magnitude_status=nil, accuracy=nil,
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318 | accuracy_percent=nil, normal_range=nil,
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319 | normal_status = nil, other_reference_ranges=nil)
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320 | self.type = type
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321 | self.numerator = numerator
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322 | self.denominator = denominator
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323 | self.precision = precision
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324 | self.magnitude_status = magnitude_status
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325 | unless accuracy.nil?
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326 | set_accuracy(accuracy, accuracy_percent)
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327 | else
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328 | @accuracy, @accuracy_percent = nil, nil
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329 | end
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330 | self.normal_range = normal_range
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331 | self.normal_status = normal_status
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332 | self.other_reference_ranges = other_reference_ranges
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333 | end
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334 |
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335 | def numerator=(numerator)
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336 | raise ArgumentError, 'numerator should not be nil' if numerator.nil?
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337 | if (@type == PK_FRACTION || @type == PK_INTEGER_FRACTION) &&
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338 | !numerator.integer?
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339 | raise ArgumentError, 'numerator invalid for type'
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340 | end
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341 | @numerator = numerator
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342 | end
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343 |
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344 | def denominator=(denominator)
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345 | if denominator.nil? or denominator == PK_RATIO
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346 | raise ArgumentError, 'denominator invalid'
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347 | end
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348 | if (@type == PK_FRACTION || @type == PK_INTEGER_FRACTION) &&
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349 | !denominator.integer?
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350 | raise ArgumentError, 'denominator invalid for type'
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351 | end
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352 | if @type == PK_UNITARY && denominator != 1
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353 | raise ArgumentError, 'denominator invalid for type'
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354 | end
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355 | if @type == PK_PERCENT && denominator != 100
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356 | raise ArgumentError, 'denominator invaild for type'
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357 | end
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358 | @denominator = denominator
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359 | end
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360 |
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361 | def type=(type)
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362 | if ProportionKind.valid_proportion_kind?(type)
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363 | @type = type
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364 | else
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365 | raise ArgumentError, 'type invalid'
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366 | end
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367 | end
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368 |
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369 | def magnitude
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370 | return numerator.to_f/denominator.to_f
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371 | end
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372 |
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373 | def precision=(precision)
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374 | unless precision.nil?
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375 | unless precision == 0 || self.is_integral?
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376 | @precision = precision
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377 | else
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378 | raise ArgumentError, 'precision invalid'
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379 | end
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380 | end
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381 | end
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382 |
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383 | def is_integral?
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384 | return denominator.integer? && numerator.integer?
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385 | end
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386 |
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387 | def is_strictly_comparable_to?(other)
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388 | unless other.instance_of?(DvProportion)
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389 | return false
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390 | end
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391 | if other.type == @type
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392 | return true
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393 | else
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394 | return false
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395 | end
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396 | end
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397 | end # end of DvProportion
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398 | end # of Quantity
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399 | end # of Data_Types
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400 | end # of RM
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401 | end # of OpenEHR
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