java.lang.Math.nextUp()方法的使用及代码示例

x33g5p2x  于2022-01-16 转载在 其他  
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本文整理了Java中java.lang.Math.nextUp()方法的一些代码示例，展示了Math.nextUp()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Math.nextUp()方法的具体详情如下：
包路径：java.lang.Math
类名称：Math
方法名：nextUp

Math.nextUp介绍

[英]Returns the next double larger than d.
[中]返回下一个大于d的双精度值。

代码示例

代码示例来源：origin: google/guava

  1. static double nextDown(double d) {
  2.  return -Math.nextUp(-d);
  3. }

代码示例来源：origin: prestodb/presto

  1. static double nextDown(double d) {
  2.  return -Math.nextUp(-d);
  3. }

代码示例来源：origin: google/j2objc

  1. static double nextDown(double d) {
  2.  return -Math.nextUp(-d);
  3. }

代码示例来源：origin: robovm/robovm

  1. /**
  2.  * Returns the next float larger than {@code f}.
  3.  * @since 1.6
  4.  */
  5. public static float nextUp(float f) {
  6.   return Math.nextUp(f);
  7. }

代码示例来源：origin: robovm/robovm

  1. /**
  2.  * Returns the next double larger than {@code d}.
  3.  * @since 1.6
  4.  */
  5. public static double nextUp(double d) {
  6.   return Math.nextUp(d);
  7. }

代码示例来源：origin: wildfly/wildfly

  1. static double nextDown(double d) {
  2.  return -Math.nextUp(-d);
  3. }

代码示例来源：origin: apache/incubator-druid

  1. @Override
  2.  protected ExprEval eval(double param)
  3.  {
  4.   return ExprEval.of(Math.nextUp(param));
  5.  }
  6. }

代码示例来源：origin: google/error-prone

  1. @Override
  2. Float nextNumber(Number actual) {
  3.  float number = actual.floatValue();
  4.  return Math.min(Math.nextUp(number) - number, number - Math.nextDown(number));
  5. }

代码示例来源：origin: google/error-prone

  1. @Override
  2. Double nextNumber(Number actual) {
  3.  double number = actual.doubleValue();
  4.  return Math.min(Math.nextUp(number) - number, number - Math.nextDown(number));
  5. }

代码示例来源：origin: vavr-io/vavr

  1. @GwtIncompatible("Math::nextUp is not implemented")
  2.   static BigDecimal asDecimal(double number) {
  3.     if (number == NEGATIVE_INFINITY) {
  4.       final BigDecimal result = BigDecimal.valueOf(Math.nextUp(NEGATIVE_INFINITY));
  5.       return result.subtract(INFINITY_DISTANCE.get());
  6.     } else if (number == POSITIVE_INFINITY) {
  7.       final BigDecimal result = BigDecimal.valueOf(Math.nextDown(POSITIVE_INFINITY));
  8.       return result.add(INFINITY_DISTANCE.get());
  9.     } else {
  10.       return BigDecimal.valueOf(number);
  11.     }
  12.   }
  13. }

代码示例来源：origin: alibaba/Sentinel

  1. double warmingQps = Math.nextUp(1.0 / (aboveToken * slope + 1.0 / count));
  2.   costTime = Math.round(1.0 * (acquireCount) / warmingQps * 1000);
  3. } else {

代码示例来源：origin: alibaba/Sentinel

  1. @Override
  2. public boolean canPass(Node node, int acquireCount, boolean prioritized) {
  3.   long passQps = node.passQps();
  4.   long previousQps = node.previousPassQps();
  5.   syncToken(previousQps);
  6.   // 开始计算它的斜率
  7.   // 如果进入了警戒线，开始调整他的qps
  8.   long restToken = storedTokens.get();
  9.   if (restToken >= warningToken) {
  10.     long aboveToken = restToken - warningToken;
  11.     // 消耗的速度要比warning快，但是要比慢
  12.     // current interval = restToken*slope+1/count
  13.     double warningQps = Math.nextUp(1.0 / (aboveToken * slope + 1.0 / count));
  14.     if (passQps + acquireCount <= warningQps) {
  15.       return true;
  16.     }
  17.   } else {
  18.     if (passQps + acquireCount <= count) {
  19.       return true;
  20.     }
  21.   }
  22.   return false;
  23. }

代码示例来源：origin: vavr-io/vavr

  1. @GwtIncompatible
  2. static Iterator<Double> rangeClosedBy(double from, double toInclusive, double step) {
  3.   if (from == toInclusive) {
  4.     return of(from);
  5.   }
  6.   final double toExclusive = (step > 0) ? Math.nextUp(toInclusive) : Math.nextDown(toInclusive);
  7.   return rangeBy(from, toExclusive, step);
  8. }

代码示例来源：origin: prestodb/presto

  1. @OutputFunction(StandardTypes.VARCHAR)
  2.   public static void output(SpatialPartitioningState state, BlockBuilder out)
  3.   {
  4.     if (state.getCount() == 0) {
  5.       out.appendNull();
  6.       return;
  7.     }
  9.     List<Rectangle> samples = state.getSamples();
  11.     int partitionCount = state.getPartitionCount();
  12.     int maxItemsPerNode = (samples.size() + partitionCount - 1) / partitionCount;
  13.     Rectangle envelope = state.getExtent();
  15.     // Add a small buffer on the right and upper sides
  16.     Rectangle paddedExtent = new Rectangle(envelope.getXMin(), envelope.getYMin(), Math.nextUp(envelope.getXMax()), Math.nextUp(envelope.getYMax()));
  18.     VARCHAR.writeString(out, KdbTreeUtils.toJson(buildKdbTree(maxItemsPerNode, paddedExtent, samples)));
  19.   }
  20. }

代码示例来源：origin: prestodb/presto

  1. @Test(dataProvider = "partitionCount")
  2. public void test(int partitionCount)
  3. {
  4.   InternalAggregationFunction function = getFunction();
  5.   List<OGCGeometry> geometries = makeGeometries();
  6.   Block geometryBlock = makeGeometryBlock(geometries);
  7.   Block partitionCountBlock = BlockAssertions.createRLEBlock(partitionCount, geometries.size());
  8.   Rectangle expectedExtent = new Rectangle(-10, -10, Math.nextUp(10.0), Math.nextUp(10.0));
  9.   String expectedValue = getSpatialPartitioning(expectedExtent, geometries, partitionCount);
  10.   AccumulatorFactory accumulatorFactory = function.bind(Ints.asList(0, 1, 2), Optional.empty());
  11.   Page page = new Page(geometryBlock, partitionCountBlock);
  12.   Accumulator accumulator = accumulatorFactory.createAccumulator();
  13.   accumulator.addInput(page);
  14.   String aggregation = (String) BlockAssertions.getOnlyValue(accumulator.getFinalType(), getFinalBlock(accumulator));
  15.   assertEquals(aggregation, expectedValue);
  16.   GroupedAccumulator groupedAggregation = accumulatorFactory.createGroupedAccumulator();
  17.   groupedAggregation.addInput(createGroupByIdBlock(0, page.getPositionCount()), page);
  18.   String groupValue = (String) getGroupValue(groupedAggregation, 0);
  19.   assertEquals(groupValue, expectedValue);
  20. }

代码示例来源：origin: prestodb/presto

  1. @Test
  2. public void testCastToBigint()
  3. {
  4.   assertFunction("cast(37.7E0 as bigint)", BIGINT, 38L);
  5.   assertFunction("cast(-37.7E0 as bigint)", BIGINT, -38L);
  6.   assertFunction("cast(17.1E0 as bigint)", BIGINT, 17L);
  7.   assertFunction("cast(-17.1E0 as bigint)", BIGINT, -17L);
  8.   assertFunction("cast(9.2E18 as bigint)", BIGINT, 9200000000000000000L);
  9.   assertFunction("cast(-9.2E18 as bigint)", BIGINT, -9200000000000000000L);
  10.   assertFunction("cast(2.21E9 as bigint)", BIGINT, 2210000000L);
  11.   assertFunction("cast(-2.21E9 as bigint)", BIGINT, -2210000000L);
  12.   assertFunction("cast(17.5E0 as bigint)", BIGINT, 18L);
  13.   assertFunction("cast(-17.5E0 as bigint)", BIGINT, -18L);
  14.   assertFunction("cast(" + Math.nextDown(0x1.0p63) + " as bigint)", BIGINT, (long) Math.nextDown(0x1.0p63));
  15.   assertInvalidFunction("cast(" + 0x1.0p63 + " as bigint)", INVALID_CAST_ARGUMENT);
  16.   assertInvalidFunction("cast(" + Math.nextUp(0x1.0p63) + " as bigint)", INVALID_CAST_ARGUMENT);
  17.   assertInvalidFunction("cast(" + Math.nextDown(-0x1.0p63) + " as bigint)", INVALID_CAST_ARGUMENT);
  18.   assertFunction("cast(" + -0x1.0p63 + " as bigint)", BIGINT, (long) -0x1.0p63);
  19.   assertFunction("cast(" + Math.nextUp(-0x1.0p63) + " as bigint)", BIGINT, (long) Math.nextUp(-0x1.0p63));
  20.   assertInvalidFunction("cast(9.3E18 as bigint)", INVALID_CAST_ARGUMENT);
  21.   assertInvalidFunction("cast(-9.3E18 as bigint)", INVALID_CAST_ARGUMENT);
  22.   assertInvalidFunction("cast(infinity() as bigint)", INVALID_CAST_ARGUMENT);
  23.   assertInvalidFunction("cast(-infinity() as bigint)", INVALID_CAST_ARGUMENT);
  24.   assertInvalidFunction("cast(nan() as bigint)", INVALID_CAST_ARGUMENT);
  25. }

代码示例来源：origin: org.elasticsearch/elasticsearch

  1. @Override
  2. public Query withinQuery(String field, Object from, Object to, boolean includeFrom, boolean includeTo) {
  3.   return FloatRange.newWithinQuery(field,
  4.     new float[] {includeFrom ? (Float)from : Math.nextUp((Float)from)},
  5.     new float[] {includeTo ? (Float)to : Math.nextDown((Float)to)});
  6. }
  7. @Override

代码示例来源：origin: org.elasticsearch/elasticsearch

  1. @Override
  2.   public Query intersectsQuery(String field, Object from, Object to, boolean includeFrom, boolean includeTo) {
  3.     return FloatRange.newIntersectsQuery(field,
  4.       new float[] {includeFrom ? (Float)from : Math.nextUp((Float)from)},
  5.       new float[] {includeTo ? (Float)to : Math.nextDown((Float)to)});
  6.   }
  7. },

代码示例来源：origin: org.elasticsearch/elasticsearch

  1. @Override
  2. public Query containsQuery(String field, Object from, Object to, boolean includeFrom, boolean includeTo) {
  3.   return FloatRange.newContainsQuery(field,
  4.     new float[] {includeFrom ? (Float)from : Math.nextUp((Float)from)},
  5.     new float[] {includeTo ? (Float)to : Math.nextDown((Float)to)});
  6. }
  7. @Override

代码示例来源：origin: rnewson/couchdb-lucene

  1. @Override
  2. public Query toRangeQuery(final String name, final String lower, final String upper,
  3.              final boolean lowerInclusive, final boolean upperInclusive) {
  4.   return FloatPoint.newRangeQuery(name,
  5.                   lowerInclusive ? toFloat(lower) : Math.nextUp(toFloat(lower)),
  6.                   upperInclusive ? toFloat(upper) : Math.nextDown(toFloat(upper)));
  7. }

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