com.xiuye.util.math

接口 XMath

public interface XMath

math operator

作者:

xiuye

字段概要

字段

限定符和类型	字段和说明
static double	E
static double	PI

方法概要

限定符和类型	方法和说明
static double	abs(double x) abs value
static int	abs(int x) abs value
static double	average(double[] a) average value
static double	average(int[] a) average value
static int	gcd(int a, int b) Euclidean algorithm for gcd
static boolean	isPrime(int x) judge prime
static double	max(double[] a) max value
static double	max(double a, double b) max value
static int	max(int[] a) max value
static int	max(int a, int b) max value
static void	reverse(double[] a) reverse array
static void	reverse(int[] a) reverse array
static double	rightTriangleHypotenuse(double a, double b) TriangleHypotenuse
static double	sqrt(double x) sqrt value

字段详细资料

E

static final double E

另请参阅:

常量字段值

PI

static final double PI

另请参阅:

常量字段值

方法详细资料

gcd

static int gcd(int a,
               int b)

Euclidean algorithm for gcd

参数:

a -

b -

返回:

max

static int max(int a,
               int b)

max value

参数:

a -

b -

返回:

max

static double max(double a,
                  double b)

max value

参数:

a -

b -

返回:

max

static int max(int[] a)

max value

参数:

a -

返回:

max

static double max(double[] a)

max value

参数:

a -

返回:

average

static double average(double[] a)

average value

参数:

a -

返回:

average

static double average(int[] a)

average value

参数:

a -

返回:

reverse

static void reverse(int[] a)

reverse array

参数:

a -

reverse

static void reverse(double[] a)

reverse array

参数:

a -

abs

static int abs(int x)

abs value

参数:

x -

返回:

abs

static double abs(double x)

abs value

参数:

x -

返回:

isPrime

static boolean isPrime(int x)

judge prime

参数:

x -

返回:

sqrt

static double sqrt(double x)

sqrt value

参数:

x -

返回:

rightTriangleHypotenuse

static double rightTriangleHypotenuse(double a,
                                      double b)

TriangleHypotenuse

参数:

a -

b -

返回: