1 /*******************************************************************************
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2 * Copyright (c) 2007, 2011 Association for Decentralized Information Management in
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4 * All rights reserved. This program and the accompanying materials
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5 * are made available under the terms of the Eclipse Public License v1.0
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6 * which accompanies this distribution, and is available at
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7 * http://www.eclipse.org/legal/epl-v10.html
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10 * VTT Technical Research Centre of Finland - initial API and implementation
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11 *******************************************************************************/
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12 package org.simantics.trend;
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14 import java.math.BigDecimal;
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15 import java.text.Format;
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16 import java.text.NumberFormat;
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18 import org.simantics.utils.format.FormattingUtils;
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19 import org.simantics.utils.format.ValueFormat;
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21 public class TestDecimalFormat {
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23 public static void main(String[] args) {
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26 NumberFormat f = ValueFormat.Scientific.format;
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27 double x = 0.00001234567890;
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28 for (int i=-10; i<10; i++) {
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29 System.out.println(f.format(x));
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34 for (int i=0; i<10; i++) {
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35 x+= 0.0000000000001;
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36 System.out.println(x);
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39 BigDecimal dec = new BigDecimal(0);
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40 BigDecimal augend = new BigDecimal(String.valueOf(0.2));
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41 System.out.println(new BigDecimal(0.2));
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42 System.out.println(new BigDecimal(String.valueOf(0.2)));
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43 for (int i=0; i<1000000; i++) {
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44 dec = dec.add(augend);
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45 String s1 = dec.toString();
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46 String s2 = Double.toString(dec.doubleValue());
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47 if (!s1.equals(s2)) {
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48 System.out.println(s1 + " vs. " + s2);
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52 Format format = FormattingUtils.significantDigitFormat(7);
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54 System.out.println(format.format(123456789012345.1234));
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55 System.out.println(format.format(12345678901.23451234));
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56 System.out.println(format.format(1234567890.123451234));
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57 System.out.println(format.format(123456789.0123451234));
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58 System.out.println(format.format(12345678.90123451234));
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59 System.out.println(format.format(10000123.4));
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60 System.out.println(format.format(9999999.99));
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61 System.out.println(format.format(9999999.9));
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62 System.out.println(format.format(9999999));
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63 System.out.println(format.format(1234567.890123451234));
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64 System.out.println(format.format(123456.7890123451234));
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65 System.out.println(format.format(12345.67890123451234));
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66 System.out.println(format.format(1234.567890123451234));
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67 System.out.println(format.format(123.4567890123451234));
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68 System.out.println(format.format(12.34567890123451234));
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69 System.out.println(format.format(1.234567890123451234));
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70 System.out.println(format.format(0.1234567890123451234));
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71 System.out.println(format.format(0.1111111));
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72 System.out.println(format.format(0.1000001));
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73 System.out.println(format.format(0.09999999999));
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74 System.out.println(format.format(0.0999999999));
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75 System.out.println(format.format(0.099999999));
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76 System.out.println(format.format(0.09999999));
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77 System.out.println(format.format(0.0999999));
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78 System.out.println(format.format(0.01234567890123451234));
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79 System.out.println(format.format(0.001234567890123451234));
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80 System.out.println(format.format(0.0001234567890123451234));
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81 System.out.println(format.format(0.00001234567890123451234));
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82 System.out.println(format.format(0.000001234567890123451234));
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83 System.out.println(format.format(0.0000001234567890123451234));
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84 System.out.println(format.format(0.00000001234567890123451234));
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85 System.out.println(format.format(0.000000001234567890123451234));
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87 System.out.println(format.format(10));
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88 System.out.println(format.format(20L));
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89 System.out.println(format.format(-0));
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90 System.out.println(format.format(-1L));
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