1 package org.djunits.value.vdouble.scalar;
2
3 import java.util.regex.Matcher;
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5 import org.djunits.unit.AccelerationUnit;
6 import org.djunits.unit.DimensionlessUnit;
7 import org.djunits.unit.FrequencyUnit;
8 import org.djunits.unit.MoneyPerDurationUnit;
9 import org.djunits.unit.PowerUnit;
10 import org.djunits.unit.SpeedUnit;
11 import org.djunits.unit.Unit;
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37 public class Frequency extends AbstractDoubleScalarRel<FrequencyUnit, Frequency>
38 {
39
40 private static final long serialVersionUID = 20150905L;
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42
43 public static final Frequency ZERO = new Frequency(0.0, FrequencyUnit.SI);
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45
46 @SuppressWarnings("checkstyle:constantname")
47 public static final Frequency NaN = new Frequency(Double.NaN, FrequencyUnit.SI);
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50 public static final Frequency POSITIVE_INFINITY = new Frequency(Double.POSITIVE_INFINITY, FrequencyUnit.SI);
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53 public static final Frequency NEGATIVE_INFINITY = new Frequency(Double.NEGATIVE_INFINITY, FrequencyUnit.SI);
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56 public static final Frequency POS_MAXVALUE = new Frequency(Double.MAX_VALUE, FrequencyUnit.SI);
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59 public static final Frequency NEG_MAXVALUE = new Frequency(-Double.MAX_VALUE, FrequencyUnit.SI);
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66 public Frequency(final double value, final FrequencyUnit unit)
67 {
68 super(value, unit);
69 }
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75 public Frequency(final Frequency value)
76 {
77 super(value);
78 }
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81 @Override
82 public final Frequency instantiateRel(final double value, final FrequencyUnit unit)
83 {
84 return new Frequency(value, unit);
85 }
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92 public static final Frequency createSI(final double value)
93 {
94 return new Frequency(value, FrequencyUnit.SI);
95 }
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104 public static Frequency interpolate(final Frequency zero, final Frequency one, final double ratio)
105 {
106 return new Frequency(zero.getInUnit() * (1 - ratio) + one.getInUnit(zero.getUnit()) * ratio, zero.getUnit());
107 }
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115 public static Frequency max(final Frequency r1, final Frequency r2)
116 {
117 return (r1.gt(r2)) ? r1 : r2;
118 }
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127 public static Frequency max(final Frequency r1, final Frequency r2, final Frequency... rn)
128 {
129 Frequency maxr = (r1.gt(r2)) ? r1 : r2;
130 for (Frequency r : rn)
131 {
132 if (r.gt(maxr))
133 {
134 maxr = r;
135 }
136 }
137 return maxr;
138 }
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146 public static Frequency min(final Frequency r1, final Frequency r2)
147 {
148 return (r1.lt(r2)) ? r1 : r2;
149 }
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158 public static Frequency min(final Frequency r1, final Frequency r2, final Frequency... rn)
159 {
160 Frequency minr = (r1.lt(r2)) ? r1 : r2;
161 for (Frequency r : rn)
162 {
163 if (r.lt(minr))
164 {
165 minr = r;
166 }
167 }
168 return minr;
169 }
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179 public static Frequency valueOf(final String text) throws IllegalArgumentException
180 {
181 if (text == null || text.length() == 0)
182 {
183 throw new IllegalArgumentException("Error parsing Frequency -- null or empty argument");
184 }
185 Matcher matcher = NUMBER_PATTERN.matcher(text);
186 if (matcher.find())
187 {
188 int index = matcher.end();
189 try
190 {
191 String unitString = text.substring(index).trim();
192 String valueString = text.substring(0, index).trim();
193 for (FrequencyUnit unit : Unit.getUnits(FrequencyUnit.class))
194 {
195 if (unit.getDefaultLocaleTextualRepresentations().contains(unitString))
196 {
197 double d = Double.parseDouble(valueString);
198 return new Frequency(d, unit);
199 }
200 }
201 }
202 catch (Exception exception)
203 {
204 throw new IllegalArgumentException("Error parsing Frequency from " + text, exception);
205 }
206 }
207 throw new IllegalArgumentException("Error parsing Frequency from " + text);
208 }
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215 public final Dimensionless divideBy(final Frequency v)
216 {
217 return new Dimensionless(this.si / v.si, DimensionlessUnit.SI);
218 }
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225 public final Dimensionless multiplyBy(final Duration v)
226 {
227 return new Dimensionless(this.si * v.si, DimensionlessUnit.SI);
228 }
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235 public final Speed multiplyBy(final Length v)
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237 return new Speed(this.si * v.si, SpeedUnit.SI);
238 }
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245 public final Acceleration multiplyBy(final Speed v)
246 {
247 return new Acceleration(this.si * v.si, AccelerationUnit.SI);
248 }
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255 public final Power multiplyBy(final Energy v)
256 {
257 return new Power(this.si * v.si, PowerUnit.SI);
258 }
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265 public final MoneyPerDuration multiplyBy(final Money v)
266 {
267 return new MoneyPerDuration(this.si * v.si, MoneyPerDurationUnit.getStandardMoneyPerDurationUnit());
268 }
269
270 }