Maths (com.github.fangjinuo.langx:langx-java:4.3.2 4.3.2 API)

java.lang.Object
- com.jn.langx.util.Maths

```
public class Maths
extends Object
```

嵌套类概要

嵌套类
限定符和类型类和说明

static class Maths.HashMaths

嵌套类
限定符和类型	类和说明
`static class`	`Maths.HashMaths`

构造器概要

构造器
构造器和说明

Maths()

构造器
构造器和说明
`Maths()`

方法概要

所有方法静态方法具体方法
限定符和类型	方法和说明
`static int`	`abs(int value)` 求绝对值
`static int`	`avg(int... values)` 求平均值
`static double`	`avgDouble(double... values)` 求平均值
`static float`	`avgFloat(float... values)` 求平均值
`static long`	`avgLong(long... values)` 求平均值
`static Double`	`formatPrecision(double value, int precision)` 格式化小数点后多少位
`static Double`	`formatPrecision(double value, int precision, RoundingMode roundingMode)` 格式化小数点后多少位
`static boolean`	`isOutOfBounds(int index, int length, int capacity)` Determine if the requested `index` and `length` will fit within `capacity`.
`static boolean`	`isPower2(int value)` 判断是否为 2的 power 值
`static int`	`max(int... array)` 求最大值
`static double`	`maxDouble(double... array)` 求最大值
`static float`	`maxFloat(float... array)` 求最大值
`static long`	`maxLong(long... array)` 求最大值
`static int`	`min(int... array)` 求最小值
`static double`	`minDouble(double... array)` 求最小值
`static float`	`minFloat(float... array)` 求最小值
`static long`	`minLong(long... array)` 求最小值
`static int`	`pow2Int(int pow)`
`static int`	`pow2Long(int pow)`
`static long`	`saturatedAdd(long a, long b)` Returns the sum of `a` and `b` unless it would overflow or underflow in which case `Long.MAX_VALUE` or `Long.MIN_VALUE` is returned, respectively.
`static long`	`saturatedMultiply(long a, long b)` Returns the product of `a` and `b` unless it would overflow or underflow in which case `Long.MAX_VALUE` or `Long.MIN_VALUE` is returned, respectively.
`static long`	`saturatedPow(long b, int k)` Returns the `b` to the `k`th power, unless it would overflow or underflow in which case `Long.MAX_VALUE` or `Long.MIN_VALUE` is returned, respectively.
`static long`	`saturatedSubtract(long a, long b)` Returns the difference of `a` and `b` unless it would overflow or underflow in which case `Long.MAX_VALUE` or `Long.MIN_VALUE` is returned, respectively.
`static int`	`sum(int... values)` 求总和
`static double`	`sumDouble(double... values)` 求总和
`static float`	`sumFloat(float... values)` 求总和
`static long`	`sumLong(long... values)` 求总和

从类继承的方法 java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- 构造器详细资料
  - Maths
```
public Maths()
```
- 方法详细资料
  - max
```
public static int max(int... array)
```
    求最大值
  - maxFloat
```
public static float maxFloat(float... array)
```
    求最大值
  - maxLong
```
public static long maxLong(long... array)
```
    求最大值
  - maxDouble
```
public static double maxDouble(double... array)
```
    求最大值
  - min
```
public static int min(int... array)
```
    求最小值
  - minFloat
```
public static float minFloat(float... array)
```
    求最小值
  - minLong
```
public static long minLong(long... array)
```
    求最小值
  - minDouble
```
public static double minDouble(double... array)
```
    求最小值
  - isOutOfBounds
```
public static boolean isOutOfBounds(int index,
                                    int length,
                                    int capacity)
```
    Determine if the requested index and length will fit within capacity.
    
    参数:
    
    index - The starting index.
    
    length - The length which will be utilized (starting from index).
    
    capacity - The capacity that index + length is allowed to be within.
    
    返回:
    
    true if the requested index and length will fit within capacity. false if this would result in an index out of bounds exception.
  - abs
```
public static int abs(int value)
```
    求绝对值
  - avg
```
public static int avg(int... values)
```
    求平均值
  - avgFloat
```
public static float avgFloat(float... values)
```
    求平均值
  - avgLong
```
public static long avgLong(long... values)
```
    求平均值
  - avgDouble
```
public static double avgDouble(double... values)
```
    求平均值
  - sum
```
public static int sum(int... values)
```
    求总和
  - sumFloat
```
public static float sumFloat(float... values)
```
    求总和
  - sumLong
```
public static long sumLong(long... values)
```
    求总和
  - sumDouble
```
public static double sumDouble(double... values)
```
    求总和
  - formatPrecision
```
public static Double formatPrecision(double value,
                                     int precision)
```
    格式化小数点后多少位
    
    参数:
    
    value - 要格式化的值
    
    precision - 小数点后保留位数
    
    返回:
    
    格式化后的值
  - formatPrecision
```
public static Double formatPrecision(double value,
                                     int precision,
                                     RoundingMode roundingMode)
```
    格式化小数点后多少位
    
    参数:
    
    value - 要格式化的值
    
    precision - 小数点后保留位数
    
    返回:
    
    格式化后的值
  - isPower2
```
public static boolean isPower2(int value)
```
    判断是否为 2的 power 值
    
    参数:
    
    value -
  - pow2Int
```
public static int pow2Int(int pow)
```
  - pow2Long
```
public static int pow2Long(int pow)
```
  - saturatedAdd
```
public static long saturatedAdd(long a,
                                long b)
```
    Returns the sum of a and b unless it would overflow or underflow in which case Long.MAX_VALUE or Long.MIN_VALUE is returned, respectively.
    
    从以下版本开始:
    
    2.10.3
  - saturatedSubtract
```
public static long saturatedSubtract(long a,
                                     long b)
```
    Returns the difference of a and b unless it would overflow or underflow in which case Long.MAX_VALUE or Long.MIN_VALUE is returned, respectively.
    
    从以下版本开始:
    
    2.10.3
  - saturatedMultiply
```
public static long saturatedMultiply(long a,
                                     long b)
```
    Returns the product of a and b unless it would overflow or underflow in which case Long.MAX_VALUE or Long.MIN_VALUE is returned, respectively.
    
    从以下版本开始:
    
    2.10.3
  - saturatedPow
```
public static long saturatedPow(long b,
                                int k)
```
    Returns the b to the kth power, unless it would overflow or underflow in which case Long.MAX_VALUE or Long.MIN_VALUE is returned, respectively.
    
    从以下版本开始:
    
    2.10.3

类 Maths

嵌套类概要

构造器概要

方法概要

从类继承的方法 java.lang.Object

构造器详细资料

Maths

方法详细资料

max

maxFloat

maxLong

maxDouble

min

minFloat

minLong

minDouble

isOutOfBounds

abs

avg

avgFloat

avgLong

avgDouble

sum

sumFloat

sumLong

sumDouble

formatPrecision

formatPrecision

isPower2

pow2Int

pow2Long

saturatedAdd

saturatedSubtract

saturatedMultiply

saturatedPow