java.lang.Math.negateExact()方法的使用及代码示例

x33g5p2x  于2022-01-16 转载在 其他  
字(7.2k)|赞(0)|评价(0)|浏览(258)

本文整理了Java中java.lang.Math.negateExact()方法的一些代码示例，展示了Math.negateExact()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.negateExact()方法的具体详情如下：
包路径：java.lang.Math
类名称：Math
方法名：negateExact

Math.negateExact介绍

暂无

代码示例

代码示例来源：origin: biezhi/30-seconds-of-java8

  1. public static String mask(String input, int num, String mask) {
  2.   int length = input.length();
  3.   return num > 0
  4.       ?
  5.       input.substring(0, length - num).replaceAll(".", mask)
  6.           + input.substring(length - num)
  7.       :
  8.       input.substring(0, Math.negateExact(num))
  9.           + input.substring(Math.negateExact(num), length).replaceAll(".", mask);
  10. }

代码示例来源：origin: spring-projects/spring-data-redis

  1. /**
  2.  * Creates a new {@link LRemCommand} to last {@literal count} values.
  3.  *
  4.  * @return a new {@link LRemCommand} to delete last {@literal count} values.
  5.  */
  6. public static LRemCommand last(long count) {
  7.   Long value = count < 0L ? count : Math.negateExact(count);
  8.   return new LRemCommand(null, value, null);
  9. }

代码示例来源：origin: prestodb/presto

  1. @ScalarOperator(NEGATION)
  2. @SqlType(StandardTypes.INTEGER)
  3. public static long negate(@SqlType(StandardTypes.INTEGER) long value)
  4. {
  5.   try {
  6.     return Math.negateExact((int) value);
  7.   }
  8.   catch (ArithmeticException e) {
  9.     throw new PrestoException(NUMERIC_VALUE_OUT_OF_RANGE, "integer negation overflow: " + value, e);
  10.   }
  11. }

代码示例来源：origin: prestodb/presto

  1. @ScalarOperator(NEGATION)
  2. @SqlType(StandardTypes.BIGINT)
  3. public static long negate(@SqlType(StandardTypes.BIGINT) long value)
  4. {
  5.   try {
  6.     return Math.negateExact(value);
  7.   }
  8.   catch (ArithmeticException e) {
  9.     throw new PrestoException(NUMERIC_VALUE_OUT_OF_RANGE, "bigint negation overflow: " + value, e);
  10.   }
  11. }

代码示例来源：origin: shekhargulati/30-seconds-of-java

  1. public static String mask(String input, int num, String mask) {
  2.   int length = input.length();
  3.   return num > 0
  4.       ?
  5.       input.substring(0, length - num).replaceAll(".", mask)
  6.           + input.substring(length - num)
  7.       :
  8.       input.substring(0, Math.negateExact(num))
  9.           + input.substring(Math.negateExact(num), length).replaceAll(".", mask);
  10. }

代码示例来源：origin: cc.redberry/rings

  1. /**
  2.  * Delegates to {@link Math#negateExact(long)}
  3.  *
  4.  * @throws ArithmeticException if the result overflows a long
  5.  **/
  6. public static long safeNegate(long x) {
  7.   return Math.negateExact(x);
  8. }

代码示例来源：origin: apache/sis

  1. /**
  2.  * Returns the negative value of this fraction.
  3.  * This method does not simplify the fraction.
  4.  *
  5.  * @return the result of {@code -this}.
  6.  * @throws ArithmeticException if the result overflows.
  7.  */
  8. public Fraction negate() {
  9.   int n = numerator;
  10.   int d = denominator;
  11.   if (n != 0) {
  12.     n = Math.negateExact(n);
  13.   } else if (d != 0) {
  14.     d = Math.negateExact(d);
  15.   } else {
  16.     return this;
  17.   }
  18.   return new Fraction(n, d);
  19. }

代码示例来源：origin: apache/servicemix-bundles

  1. /**
  2.  * Creates a new {@link LRemCommand} to last {@literal count} values.
  3.  *
  4.  * @return a new {@link LRemCommand} to delete last {@literal count} values.
  5.  */
  6. public static LRemCommand last(long count) {
  7.   Long value = count < 0L ? count : Math.negateExact(count);
  8.   return new LRemCommand(null, value, null);
  9. }

代码示例来源：origin: org.springframework.data/spring-data-redis

  1. /**
  2.  * Creates a new {@link LRemCommand} to last {@literal count} values.
  3.  *
  4.  * @return a new {@link LRemCommand} to delete last {@literal count} values.
  5.  */
  6. public static LRemCommand last(long count) {
  7.   Long value = count < 0L ? count : Math.negateExact(count);
  8.   return new LRemCommand(null, value, null);
  9. }

代码示例来源：origin: the8472/mldht

  1. public static Runnable onceMore(Runnable loopBody) {
  2.   AtomicInteger lock = new AtomicInteger();
  3.   
  4.   return () -> {
  5.     // request execution of the runnable
  6.     int current = lock.incrementAndGet();
  7.     
  8.     // another thread is executing
  9.     if(current > 1)
  10.       return;
  11.     
  12.     try {
  13.       do {
  14.         loopBody.run();
  15.         
  16.         current = lock.addAndGet(Math.negateExact(current));
  17.       } while(current > 0);
  18.     } catch(Throwable t) {
  19.       lock.set(0);
  20.       throw t;
  21.     }
  22.   };
  23. }

代码示例来源：origin: net.time4j/time4j-core

  1. /**
  2.  * <p>Yields the absolute value of the represented calendar days. </p>
  3.  *
  4.  * @return  non-negative count of calendar days
  5.  * @since   3.4/4.3
  6.  */
  7. /*[deutsch]
  8.  * <p>Liefert den absoluten Betrag der repr&auml;sentierten Kalendertage. </p>
  9.  *
  10.  * @return  non-negative count of calendar days
  11.  * @since   3.4/4.3
  12.  */
  13. public CalendarDays abs() {
  14.   return ((this.days < 0) ? CalendarDays.of(Math.negateExact(this.days)) : this);
  15. }

代码示例来源：origin: semuxproject/semux-core

  1. public static Amount neg(Amount a) {
  2.   return new Amount(Math.negateExact(a.nano));
  3. }

代码示例来源：origin: net.time4j/time4j-core

  1. @Override
  2. public long get(TemporalUnit unit) {
  3.   for (Map.Entry<IsoUnit, TemporalUnit> entry : MAP.entrySet()) {
  4.     if (entry.getValue().equals(unit)) {
  5.       long amount = this.duration.getPartialAmount(entry.getKey());
  6.       if (this.duration.isNegative()) {
  7.         amount = Math.negateExact(amount);
  8.       }
  9.       return amount;
  10.     }
  11.   }
  12.   if (unit.equals(ChronoUnit.HALF_DAYS)) {
  13.     long hd = Math.floorDiv(this.duration.getPartialAmount(ClockUnit.HOURS), 12);
  14.     if (this.duration.isNegative()) {
  15.       hd = Math.negateExact(hd);
  16.     }
  17.     return hd;
  18.   }
  19.   throw new UnsupportedTemporalTypeException(unit.toString()); // throws NPE if unit is null
  20. }

代码示例来源：origin: org.ballerinalang/ballerina-math

  1. public void execute(Context ctx) {
  2.     long value = ctx.getIntArgument(0);
  3.     ctx.setReturnValues(new BInteger(Math.negateExact(value)));
  4.   }
  5. }

代码示例来源：origin: io.prestosql/presto-main

  1. @ScalarOperator(NEGATION)
  2. @SqlType(StandardTypes.BIGINT)
  3. public static long negate(@SqlType(StandardTypes.BIGINT) long value)
  4. {
  5.   try {
  6.     return Math.negateExact(value);
  7.   }
  8.   catch (ArithmeticException e) {
  9.     throw new PrestoException(NUMERIC_VALUE_OUT_OF_RANGE, "bigint negation overflow: " + value, e);
  10.   }
  11. }

代码示例来源：origin: io.prestosql/presto-main

  1. @ScalarOperator(NEGATION)
  2. @SqlType(StandardTypes.INTEGER)
  3. public static long negate(@SqlType(StandardTypes.INTEGER) long value)
  4. {
  5.   try {
  6.     return Math.negateExact((int) value);
  7.   }
  8.   catch (ArithmeticException e) {
  9.     throw new PrestoException(NUMERIC_VALUE_OUT_OF_RANGE, "integer negation overflow: " + value, e);
  10.   }
  11. }

代码示例来源：origin: prestosql/presto

  1. @ScalarOperator(NEGATION)
  2. @SqlType(StandardTypes.INTEGER)
  3. public static long negate(@SqlType(StandardTypes.INTEGER) long value)
  4. {
  5.   try {
  6.     return Math.negateExact((int) value);
  7.   }
  8.   catch (ArithmeticException e) {
  9.     throw new PrestoException(NUMERIC_VALUE_OUT_OF_RANGE, "integer negation overflow: " + value, e);
  10.   }
  11. }

代码示例来源：origin: prestosql/presto

  1. @ScalarOperator(NEGATION)
  2. @SqlType(StandardTypes.BIGINT)
  3. public static long negate(@SqlType(StandardTypes.BIGINT) long value)
  4. {
  5.   try {
  6.     return Math.negateExact(value);
  7.   }
  8.   catch (ArithmeticException e) {
  9.     throw new PrestoException(NUMERIC_VALUE_OUT_OF_RANGE, "bigint negation overflow: " + value, e);
  10.   }
  11. }

代码示例来源：origin: vladmihalcea/high-performance-java-persistence

  1. @Test
  2.  public void testAutoCommit() throws SQLException {
  3.   LOGGER.info("Test Auto Commit");
  4.   long cents = 70;
  5.   long fromAccountId = 1;
  6.   long toAccountId = 2;
  7.   DataSource dataSource = newDataSource();
  8.   try(Connection connection = dataSource.getConnection();
  9.     PreparedStatement transferStatement = connection.prepareStatement(
  10.       "UPDATE account SET balance = ? WHERE id = ?"
  11.     )
  12.   ) {
  13.     transferStatement.setLong(1, Math.negateExact(cents));
  14.     transferStatement.setLong(2, fromAccountId);
  15.     transferStatement.executeUpdate();
  16.     transferStatement.setLong(1, cents);
  17.     transferStatement.setLong(2, toAccountId);
  18.     transferStatement.executeUpdate();
  19.   }
  20. }

代码示例来源：origin: vladmihalcea/high-performance-java-persistence

  1. @Test
  2.   public void testManualCommitWithTemplate() throws SQLException {
  3.     long cents = 70;
  4.     long fromAccountId = 1;
  5.     long toAccountId = 2;
  7.     transact((Connection connection) -> {
  8.       try (PreparedStatement transferStatement = connection.prepareStatement(
  9.           "UPDATE account SET balance = ? WHERE id = ?"
  10.       )) {
  11.         transferStatement.setLong(1, Math.negateExact(cents));
  12.         transferStatement.setLong(2, fromAccountId);
  13.         transferStatement.executeUpdate();
  15.         transferStatement.setLong(1, cents);
  16.         transferStatement.setLong(2, toAccountId);
  17.         transferStatement.executeUpdate();
  18.       } catch (SQLException e) {
  19.         throw new DataAccessException( e);
  20.       }
  21.     });
  22.   }
  23. }

内容来源于网络，如有侵权，请联系作者删除！

Math

相关文章

    查看更多

    热门标签

    更多
    JavaquerypythonNode开发语言requestUtil数据库Table后端算法LoggerMessageElementParser

    最新文章

    更多
    • 蜀ICP备13028337号-1 大数据知识库 https://www.saoniuhuo.com © All rights reserved
    • 本站内容来源互联网,如果侵犯您的权益请联系我们删除, 联系方式：448109455@qq.com