private static int testAppendToDouble() { System.out.println(" testAppendToDouble"); int failures = 0; for(int i = 0; i < NUM_RANDOM_TESTS; i++) { double[] d = new double[] { RANDOM.nextLong(), RANDOM.nextGaussian(), RANDOM.nextDouble()*Double.MAX_VALUE }; for(int j = 0; j < d.length; j++) { OldFloatingDecimalForTest ofd = new OldFloatingDecimalForTest(d[j]); StringBuilder sb = new StringBuilder(); ofd.appendTo(sb); String oldString = sb.toString(); sb = new StringBuilder(); FloatingDecimal.appendTo(d[j], sb); String newString = sb.toString(); failures += check("testAppendToDouble", oldString, newString); } } return failures; }
private static int testAppendToFloat() { System.out.println(" testAppendToFloat"); int failures = 0; for(int i = 0; i < NUM_RANDOM_TESTS; i++) { float[] f = new float[] { RANDOM.nextLong(), (float)RANDOM.nextGaussian(), RANDOM.nextFloat()*Float.MAX_VALUE }; for(int j = 0; j < f.length; j++) { OldFloatingDecimalForTest ofd = new OldFloatingDecimalForTest(f[j]); StringBuilder sb = new StringBuilder(); ofd.appendTo(sb); String oldString = sb.toString(); sb = new StringBuilder(); FloatingDecimal.appendTo(f[j], sb); String newString = sb.toString(); failures += check("testAppendToFloat", oldString, newString); } } return failures; }
private static int testParseDouble() { System.out.println(" testParseDouble"); int failures = 0; for(int i = 0; i < NUM_RANDOM_TESTS; i++) { double[] d = new double[] { RANDOM.nextLong(), RANDOM.nextGaussian(), RANDOM.nextDouble()*Double.MAX_VALUE }; for(int j = 0; j < d.length; j++) { OldFloatingDecimalForTest ofd = new OldFloatingDecimalForTest(d[j]); String javaFormatString = ofd.toJavaFormatString(); ofd = OldFloatingDecimalForTest.readJavaFormatString(javaFormatString); double oldDouble = ofd.doubleValue(); double newDouble = FloatingDecimal.parseDouble(javaFormatString); failures += check("testParseDouble", oldDouble, newDouble); } } return failures; }
private static int testParseFloat() { System.out.println(" testParseFloat"); int failures = 0; for(int i = 0; i < NUM_RANDOM_TESTS; i++) { float[] f = new float[] { RANDOM.nextInt(), (float)RANDOM.nextGaussian(), RANDOM.nextFloat()*Float.MAX_VALUE }; for(int j = 0; j < f.length; j++) { OldFloatingDecimalForTest ofd = new OldFloatingDecimalForTest(f[j]); String javaFormatString = ofd.toJavaFormatString(); ofd = OldFloatingDecimalForTest.readJavaFormatString(javaFormatString); float oldFloat = ofd.floatValue(); float newFloat = FloatingDecimal.parseFloat(javaFormatString); failures += check("testParseFloat", oldFloat, newFloat); } } return failures; }
private static int testToJavaFormatStringDoubleFixed() { System.out.println(" testToJavaFormatStringDoubleFixed"); int failures = 0; double[] d = new double [] { -5.9522650387500933e18, // dtoa() fast path 0.872989018674569, // dtoa() fast iterative - long 1.1317400099603851e308 // dtoa() slow iterative }; for(int i = 0; i < d.length; i++) { OldFloatingDecimalForTest ofd = new OldFloatingDecimalForTest(d[i]); failures += check("testToJavaFormatStringDoubleFixed", ofd.toJavaFormatString(), FloatingDecimal.toJavaFormatString(d[i])); } return failures; }
private static int testToJavaFormatStringDoubleRandom() { System.out.println(" testToJavaFormatStringDoubleRandom"); int failures = 0; for(int i = 0; i < NUM_RANDOM_TESTS; i++) { double[] d = new double[] { RANDOM.nextLong(), RANDOM.nextGaussian(), RANDOM.nextDouble()*Double.MAX_VALUE }; for(int j = 0; j < d.length; j++) { OldFloatingDecimalForTest ofd = new OldFloatingDecimalForTest(d[j]); failures += check("testToJavaFormatStringDoubleRandom", ofd.toJavaFormatString(), FloatingDecimal.toJavaFormatString(d[j])); } } return failures; }
private static int testToJavaFormatStringFloatFixed() { System.out.println(" testToJavaFormatStringFloatFixed"); int failures = 0; float[] f = new float[] { -9.8784166e8f, // dtoa() fast path 0.70443946f, // dtoa() fast iterative - int 1.8254228e37f // dtoa() slow iterative }; for(int i = 0; i < f.length; i++) { OldFloatingDecimalForTest ofd = new OldFloatingDecimalForTest(f[i]); failures += check("testToJavaFormatStringFloatFixed", ofd.toJavaFormatString(), FloatingDecimal.toJavaFormatString(f[i])); } return failures; }
private static int testToJavaFormatStringFloatRandom() { System.out.println(" testToJavaFormatStringFloatRandom"); int failures = 0; for(int i = 0; i < NUM_RANDOM_TESTS; i++) { float[] f = new float[] { RANDOM.nextInt(), (float)RANDOM.nextGaussian(), RANDOM.nextFloat()*Float.MAX_VALUE }; for(int j = 0; j < f.length; j++) { OldFloatingDecimalForTest ofd = new OldFloatingDecimalForTest(f[j]); failures += check("testToJavaFormatStringFloatRandom", ofd.toJavaFormatString(), FloatingDecimal.toJavaFormatString(f[j])); } } return failures; }
/** * Encode the given GTS instance, converting doubles to BigDecimal to get a chance to * store them more efficiently * * @param gts */ public synchronized void encodeOptimized(GeoTimeSerie gts) throws IOException { StringBuilder sb = new StringBuilder(); char[] chars = null; for (int i = 0; i < gts.values; i++) { Object value = GTSHelper.valueAtIndex(gts, i); if ((value instanceof Double) && Double.isFinite((double) value)) { sb.setLength(0); BinaryToASCIIConverter btoa = FloatingDecimal.getBinaryToASCIIConverter((double) value); btoa.appendTo(sb); if (null == chars || chars.length < sb.length()) { chars = new char[sb.length()]; } sb.getChars(0, sb.length(), chars, 0); value = new BigDecimal(chars, 0, sb.length()); } addValue(gts.ticks[i], null != gts.locations ? gts.locations[i] : GeoTimeSerie.NO_LOCATION, null != gts.elevations ? gts.elevations[i] : GeoTimeSerie.NO_ELEVATION, value); } }
