java.lang
Class Math

java.lang.Object
  java.lang.Math

public final class Math

extends Object

Field Summary

static double	E
static double	PI

Constructor Summary

Math()

Method Summary

static double	abs(double val) Returns the absolute value of a double value.
static float	abs(float val) Returns the absolute value of a float value.
static int	abs(int val) Returns the absolute value of a int value.
static long	abs(long val) Returns the absolute value of a long value.
static double	acos(double val) Returns the arc cosine of an angle, in the range of 0.0 through pi.
static double	asin(double val) Returns the arc sine of an angle, in the range of -pi/2 through pi/2.
static double	atan(double val) Returns the arc tangent of an angle, in the range of -pi/2 through pi/2.
static double	atan(double a, double b) the same as atan2()
static double	atan2(double a, double b) Converts rectangular coordinates (b, a) to polar (r, theta).
static double	ceil(double val) Returns the smallest (closest to negative infinity) double value that is not less than the argument and is equal to a mathematical integer.
static double	cos(double val) Returns the trigonometric cosine of an angle.
static double	exp(double val) Returns the exponential number e (i.e., 2.718...) raised to the power of a double value.
static double	floor(double val) Returns the largest (closest to positive infinity) double value that is not greater than the argument and is equal to a mathematical integer.
static double	IEEEremainder(double f1, double f2) Computes the remainder operation on two arguments as prescribed by the IEEE 754 standard.
static double	log(double val) Returns the natural logarithm (base e) of a double value.
static double	max(double a, double b) Returns the greater of two values.
static float	max(float a, float b) Returns the greater of two values.
static int	max(int a, int b) Returns the greater of two values.
static long	max(long a, long b) Returns the greater of two values.
static double	min(double a, double b) Returns the smaller of two values.
static float	min(float a, float b) Returns the smaller of two values.
static int	min(int a, int b) Returns the smaller of two values.
static long	min(long a, long b) Returns the smaller of two values.
static double	pow(double a, double b) Returns of value of the first argument raised to the power of the second argument.
static double	random() Returns a random number between 0.0 and 1.0.
static double	rint(double value) returns the closest integer to the argument.
static long	round(double value) Returns the closest long to the argument.
static int	round(float value) Returns the closest int to the argument.
static double	sin(double val) Returns the trigonometric sine of an angle.
static double	sqrt(double val) Returns the square root of a double value.
static double	tan(double val) Returns the trigonometric tangent of an angle.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, toString

Field Detail

E

public static final double E

PI

public static final double PI

Constructor Detail

Math

public Math()

Method Detail

abs

public static double abs(double val)

Returns the absolute value of a double value.

abs

public static float abs(float val)

Returns the absolute value of a float value.

abs

public static int abs(int val)

Returns the absolute value of a int value.

abs

public static long abs(long val)

Returns the absolute value of a long value.

acos

public static double acos(double val)

Returns the arc cosine of an angle, in the range of 0.0 through pi.

asin

public static double asin(double val)

Returns the arc sine of an angle, in the range of -pi/2 through pi/2.

atan

public static double atan(double val)

Returns the arc tangent of an angle, in the range of -pi/2 through pi/2.

atan

public static double atan(double a,
                          double b)

the same as atan2()

atan2

public static double atan2(double a,
                           double b)

Converts rectangular coordinates (b, a) to polar (r, theta).

ceil

public static double ceil(double val)

Returns the smallest (closest to negative infinity) double value that is not less than the argument and is equal to a mathematical integer.

cos

public static double cos(double val)

Returns the trigonometric cosine of an angle.

exp

public static double exp(double val)

Returns the exponential number e (i.e., 2.718...) raised to the power of a double value.

floor

public static double floor(double val)

Returns the largest (closest to positive infinity) double value that is not greater than the argument and is equal to a mathematical integer.

IEEEremainder

public static double IEEEremainder(double f1,
                                   double f2)

Computes the remainder operation on two arguments as prescribed by the IEEE 754 standard.

log

public static double log(double val)

Returns the natural logarithm (base e) of a double value.

max

public static double max(double a,
                         double b)

Returns the greater of two values.

min

public static double min(double a,
                         double b)

Returns the smaller of two values.

max

public static float max(float a,
                        float b)

Returns the greater of two values.

min

public static float min(float a,
                        float b)

Returns the smaller of two values.

max

public static int max(int a,
                      int b)

Returns the greater of two values.

min

public static int min(int a,
                      int b)

Returns the smaller of two values.

max

public static long max(long a,
                       long b)

Returns the greater of two values.

min

public static long min(long a,
                       long b)

Returns the smaller of two values.

pow

public static double pow(double a,
                         double b)

Returns of value of the first argument raised to the power of the second argument.

random

public static double random()

Returns a random number between 0.0 and 1.0.

rint

public static double rint(double value)

returns the closest integer to the argument.

round

public static long round(double value)

Returns the closest long to the argument.

round

public static int round(float value)

Returns the closest int to the argument.

sin

public static double sin(double val)

Returns the trigonometric sine of an angle.

sqrt

public static double sqrt(double val)

Returns the square root of a double value.

tan

public static double tan(double val)

Returns the trigonometric tangent of an angle.