Static Public Member Functions
static double	abs (double a)

static float	abs (float a)

static int	abs (int a)

static long	abs (long a)

static double	ceil (double d)

static native double	cos (double d)

static double	floor (double d)

static double	max (double d1, double d2)

static float	max (float f1, float f2)

static int	max (int i1, int i2)

static long	max (long l1, long l2)

static double	min (double d1, double d2)

static float	min (float f1, float f2)

static int	min (int i1, int i2)

static long	min (long l1, long l2)

static long	round (double d)

static int	round (float f)

static double	signum (double d)

static float	signum (float f)

static native double	sin (double d)

static native double	sqrt (double d)

static native double	tan (double d)

static double	toRadians (double angdeg)

static double	toDegrees (double angrad)

Static Public Attributes
static final double	E = 2.718281828459045

static final double	PI = 3.141592653589793

Detailed Description

Class Math provides basic math constants and operations such as trigonometric functions, hyperbolic functions, exponential, logarithms, etc.

Member Function Documentation

◆ abs() [1/4]

static double java.lang.Math.abs ( double a )

inlinestatic

Returns the absolute value of the argument.

Special cases:

abs(-0.0) = +0.0
abs(+infinity) = +infinity
abs(-infinity) = +infinity
abs(NaN) = NaN

Parameters

d	the value whose absolute value has to be computed.

Returns: the absolute value of the argument.

◆ abs() [2/4]

static float java.lang.Math.abs ( float a )

inlinestatic

Returns the absolute value of the argument.

Special cases:

abs(-0.0) = +0.0
abs(+infinity) = +infinity
abs(-infinity) = +infinity
abs(NaN) = NaN

Parameters

f	the value whose absolute value has to be computed.

Returns: the argument if it is positive, otherwise the negation of the argument.

◆ abs() [3/4]

static int java.lang.Math.abs ( int a )

inlinestatic

Returns the absolute value of the argument.

If the argument is

Integer.MIN_VALUE

,

Integer.MIN_VALUE

is returned.

Parameters

i	the value whose absolute value has to be computed.

Returns: the argument if it is positive, otherwise the negation of the argument.

◆ abs() [4/4]

static long java.lang.Math.abs ( long a )

inlinestatic

Returns the absolute value of the argument. If the argument is

Long.MIN_VALUE

,

Long.MIN_VALUE

is returned.

Parameters

l	the value whose absolute value has to be computed.

Returns: the argument if it is positive, otherwise the negation of the argument.

◆ ceil()

static double java.lang.Math.ceil ( double d )

inlinestatic

Returns the double conversion of the most negative (closest to negative infinity) integer value which is greater than the argument.

Special cases:

ceil(+0.0) = +0.0
ceil(-0.0) = -0.0
ceil((anything in range (-1,0)) = -0.0
ceil(+infinity) = +infinity
ceil(-infinity) = -infinity
ceil(NaN) = NaN

Parameters

d	the value whose closest integer value has to be computed.

Returns: the ceiling of the argument.

◆ cos()

static native double java.lang.Math.cos ( double d )

static

Returns the closest double approximation of the cosine of the argument. The returned result is within 1 ulp (unit in the last place) of the real result.

Special cases:

cos(+infinity) = NaN
cos(-infinity) = NaN
cos(NaN) = NaN

Parameters

d	the angle whose cosine has to be computed, in radians.

Returns: the cosine of the argument.

◆ floor()

static double java.lang.Math.floor ( double d )

inlinestatic

Returns the double conversion of the most positive (closest to positive infinity) integer value which is less than the argument.

Special cases:

floor(+0.0) = +0.0
floor(-0.0) = -0.0
floor(+infinity) = +infinity
floor(-infinity) = -infinity
floor(NaN) = NaN

Parameters

d	the value whose closest integer value has to be computed.

Returns: the floor of the argument.

◆ max() [1/4]

static double java.lang.Math.max	(	double	d1,
		double	d2
	)

inlinestatic

Returns the most positive (closest to positive infinity) of the two arguments.

Special cases:

max(NaN, (anything)) = NaN
max((anything), NaN) = NaN
max(+0.0, -0.0) = +0.0
max(-0.0, +0.0) = +0.0

Parameters

d1	the first argument.
d2	the second argument.

Returns: the larger of
d1
and
d2
.

◆ max() [2/4]

static float java.lang.Math.max	(	float	f1,
		float	f2
	)

inlinestatic

Returns the most positive (closest to positive infinity) of the two arguments.

Special cases:

max(NaN, (anything)) = NaN
max((anything), NaN) = NaN
max(+0.0, -0.0) = +0.0
max(-0.0, +0.0) = +0.0

Parameters

f1	the first argument.
f2	the second argument.

Returns: the larger of
f1
and
f2
.

◆ max() [3/4]

static int java.lang.Math.max	(	int	i1,
		int	i2
	)

inlinestatic

Returns the most positive (closest to positive infinity) of the two arguments.

Parameters

i1	the first argument.
i2	the second argument.

Returns: the larger of
i1
and
i2
.

◆ max() [4/4]

static long java.lang.Math.max	(	long	l1,
		long	l2
	)

inlinestatic

Returns the most positive (closest to positive infinity) of the two arguments.

Parameters

l1	the first argument.
l2	the second argument.

Returns: the larger of
l1
and
l2
.

◆ min() [1/4]

static double java.lang.Math.min	(	double	d1,
		double	d2
	)

inlinestatic

Returns the most negative (closest to negative infinity) of the two arguments.

Special cases:

min(NaN, (anything)) = NaN
min((anything), NaN) = NaN
min(+0.0, -0.0) = -0.0
min(-0.0, +0.0) = -0.0

Parameters

d1	the first argument.
d2	the second argument.

Returns: the smaller of
d1
and
d2
.

◆ min() [2/4]

static float java.lang.Math.min	(	float	f1,
		float	f2
	)

inlinestatic

Returns the most negative (closest to negative infinity) of the two arguments.

Special cases:

min(NaN, (anything)) = NaN
min((anything), NaN) = NaN
min(+0.0, -0.0) = -0.0
min(-0.0, +0.0) = -0.0

Parameters

f1	the first argument.
f2	the second argument.

Returns: the smaller of
f1
and
f2
.

◆ min() [3/4]

static int java.lang.Math.min	(	int	i1,
		int	i2
	)

inlinestatic

Returns the most negative (closest to negative infinity) of the two arguments.

Parameters

i1	the first argument.
i2	the second argument.

Returns: the smaller of
i1
and
i2
.

◆ min() [4/4]

static long java.lang.Math.min	(	long	l1,
		long	l2
	)

inlinestatic

Returns the most negative (closest to negative infinity) of the two arguments.

Parameters

l1	the first argument.
l2	the second argument.

Returns: the smaller of
l1
and
l2
.

◆ round() [1/2]

static long java.lang.Math.round ( double d )

inlinestatic

Returns the result of rounding the argument to an integer. The result is equivalent to

(long) Math.floor(d+0.5)

.

Special cases:

round(+0.0) = +0.0
round(-0.0) = +0.0
round((anything > Long.MAX_VALUE) = Long.MAX_VALUE
round((anything < Long.MIN_VALUE) = Long.MIN_VALUE
round(+infinity) = Long.MAX_VALUE
round(-infinity) = Long.MIN_VALUE
round(NaN) = +0.0

Parameters

d	the value to be rounded.

Returns: the closest integer to the argument.

◆ round() [2/2]

static int java.lang.Math.round ( float f )

inlinestatic

Returns the result of rounding the argument to an integer. The result is equivalent to

(int) Math.floor(f+0.5)

.

Special cases:

round(+0.0) = +0.0
round(-0.0) = +0.0
round((anything > Integer.MAX_VALUE) = Integer.MAX_VALUE
round((anything < Integer.MIN_VALUE) = Integer.MIN_VALUE
round(+infinity) = Integer.MAX_VALUE
round(-infinity) = Integer.MIN_VALUE
round(NaN) = +0.0

Parameters

f	the value to be rounded.

Returns: the closest integer to the argument.

◆ signum() [1/2]

static double java.lang.Math.signum ( double d )

inlinestatic

Returns the signum function of the argument. If the argument is less than zero, it returns -1.0. If the argument is greater than zero, 1.0 is returned. If the argument is either positive or negative zero, the argument is returned as result.

Special cases:

signum(+0.0) = +0.0
signum(-0.0) = -0.0
signum(+infinity) = +1.0
signum(-infinity) = -1.0
signum(NaN) = NaN

Parameters

d	the value whose signum has to be computed.

Returns: the value of the signum function.

◆ signum() [2/2]

static float java.lang.Math.signum ( float f )

inlinestatic

Returns the signum function of the argument. If the argument is less than zero, it returns -1.0. If the argument is greater than zero, 1.0 is returned. If the argument is either positive or negative zero, the argument is returned as result.

Special cases:

signum(+0.0) = +0.0
signum(-0.0) = -0.0
signum(+infinity) = +1.0
signum(-infinity) = -1.0
signum(NaN) = NaN

Parameters

f	the value whose signum has to be computed.

Returns: the value of the signum function.

◆ sin()

static native double java.lang.Math.sin ( double d )

static

Returns the closest double approximation of the sine of the argument. The returned result is within 1 ulp (unit in the last place) of the real result.

Special cases:

sin(+0.0) = +0.0
sin(-0.0) = -0.0
sin(+infinity) = NaN
sin(-infinity) = NaN
sin(NaN) = NaN

Parameters

d	the angle whose sin has to be computed, in radians.

Returns: the sine of the argument.

◆ sqrt()

static native double java.lang.Math.sqrt ( double d )

static

Returns the closest double approximation of the square root of the argument.

Special cases:

sqrt(+0.0) = +0.0
sqrt(-0.0) = -0.0
sqrt( (anything < 0) ) = NaN
sqrt(+infinity) = +infinity
sqrt(NaN) = NaN

Parameters

d	the value whose square root has to be computed.

Returns: the square root of the argument.

◆ tan()

static native double java.lang.Math.tan ( double d )

static

Returns the closest double approximation of the tangent of the argument. The returned result is within 1 ulp (unit in the last place) of the real result.

Special cases:

tan(+0.0) = +0.0
tan(-0.0) = -0.0
tan(+infinity) = NaN
tan(-infinity) = NaN
tan(NaN) = NaN

Parameters

d	the angle whose tangent has to be computed, in radians.

Returns: the tangent of the argument.

◆ toDegrees()

static double java.lang.Math.toDegrees ( double angrad )

inlinestatic

Returns the measure in degrees of the supplied radian angle. The result is

angrad * 180 / pi

.

Special cases:

toDegrees(+0.0) = +0.0
toDegrees(-0.0) = -0.0
toDegrees(+infinity) = +infinity
toDegrees(-infinity) = -infinity
toDegrees(NaN) = NaN

Parameters

angrad an angle in radians.

Returns: the degree measure of the angle.

◆ toRadians()

static double java.lang.Math.toRadians ( double angdeg )

inlinestatic

Returns the measure in radians of the supplied degree angle. The result is

angdeg / 180 * pi

.

Special cases:

toRadians(+0.0) = +0.0
toRadians(-0.0) = -0.0
toRadians(+infinity) = +infinity
toRadians(-infinity) = -infinity
toRadians(NaN) = NaN

Parameters

angdeg an angle in degrees.

Returns: the radian measure of the angle.

Member Data Documentation

◆ E

final double java.lang.Math.E = 2.718281828459045

static

The double value closest to e, the base of the natural logarithm.

◆ PI

final double java.lang.Math.PI = 3.141592653589793

static

The double value closest to pi, the ratio of a circle's circumference to its diameter.

The documentation for this class was generated from the following file:

src/java/lang/Math.java

Static Public Member Functions

Static Public Attributes

Detailed Description

Member Function Documentation

◆ abs() [1/4]

◆ abs() [2/4]

◆ abs() [3/4]

◆ abs() [4/4]

◆ ceil()

◆ cos()

◆ floor()

◆ max() [1/4]

◆ max() [2/4]

◆ max() [3/4]

◆ max() [4/4]

◆ min() [1/4]

◆ min() [2/4]

◆ min() [3/4]

◆ min() [4/4]

◆ round() [1/2]

◆ round() [2/2]

◆ signum() [1/2]

◆ signum() [2/2]

◆ sin()

◆ sqrt()

◆ tan()

◆ toDegrees()

◆ toRadians()

Member Data Documentation

◆ E

◆ PI