Methods
Modifier and Type
Method and Description
static double
abs(double a)
Returns the absolute value of a double value.
static float
abs(float a)
Returns the absolute value of a float value.
static int
abs(int a)
Returns the absolute value of an int value.
static long
abs(long a)
Returns the absolute value of a long value.
static double
acos(double a)
Returns the arc cosine of a value; the returned angle is in the
range 0.0 through pi.
static double
asin(double a)
Returns the arc sine of a value; the returned angle is in the
range –pi/2 through pi/2.
static double
atan(double a)
Returns the arc tangent of a value; the returned angle is in the
range –pi/2 through pi/2.
static double
atan2(double y,
double x)
Returns the angle theta from the conversion of rectangular
coordinates (x, y) to polar
coordinates (r, theta).
static double
cbrt(double a)
Returns the cube root of a double value.
static double
ceil(double a)
Returns the smallest (closest to negative infinity)
double value that is greater than or equal to the
argument and is equal to a mathematical integer.
static double
copySign(double magnitude,
double sign)
Returns the first floating-point argument with the sign of the
second floating-point argument.
static float
copySign(float magnitude,
float sign)
Returns the first floating-point argument with the sign of the
second floating-point argument.
static double
cos(double a)
Returns the trigonometric cosine of an angle.
static double
cosh(double x)
Returns the hyperbolic cosine of a double value.
static double
exp(double a)
Returns Euler’s number e raised to the power of a
double value.
static double
expm1(double x)
Returns ex -1.
static double
floor(double a)
Returns the largest (closest to positive infinity)
double value that is less than or equal to the
argument and is equal to a mathematical integer.
static int
getExponent(double d)
Returns the unbiased exponent used in the representation of a
double.
static int
getExponent(float f)
Returns the unbiased exponent used in the representation of a
float.
static double
hypot(double x,
double y)
Returns sqrt(x2 +y2)
without intermediate overflow or underflow.
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 a)
Returns the natural logarithm (base e) of a double
value.
static double
log10(double a)
Returns the base 10 logarithm of a double value.
static double
log1p(double x)
Returns the natural logarithm of the sum of the argument and 1.
static double
max(double a,
double b)
Returns the greater of two double values.
static float
max(float a,
float b)
Returns the greater of two float values.
static int
max(int a,
int b)
Returns the greater of two int values.
static long
max(long a,
long b)
Returns the greater of two long values.
static double
min(double a,
double b)
Returns the smaller of two double values.
static float
min(float a,
float b)
Returns the smaller of two float values.
static int
min(int a,
int b)
Returns the smaller of two int values.
static long
min(long a,
long b)
Returns the smaller of two long values.
static double
nextAfter(double start,
double direction)
Returns the floating-point number adjacent to the first
argument in the direction of the second argument.
static float
nextAfter(float start,
double direction)
Returns the floating-point number adjacent to the first
argument in the direction of the second argument.
static double
nextUp(double d)
Returns the floating-point value adjacent to d in
the direction of positive infinity.
static float
nextUp(float f)
Returns the floating-point value adjacent to f in
the direction of positive infinity.
static double
pow(double a,
double b)
Returns the value of the first argument raised to the power of the
second argument.
static double
random()
Returns a double value with a positive sign, greater
than or equal to 0.0 and less than 1.0.
static double
rint(double a)
Returns the double value that is closest in value
to the argument and is equal to a mathematical integer.
static long
round(double a)
Returns the closest long to the argument, with ties
rounding up.
static int
round(float a)
Returns the closest int to the argument, with ties
rounding up.
static double
scalb(double d,
int scaleFactor)
Return d ×
2scaleFactor rounded as if performed
by a single correctly rounded floating-point multiply to a
member of the double value set.
static float
scalb(float f,
int scaleFactor)
Return f ×
2scaleFactor rounded as if performed
by a single correctly rounded floating-point multiply to a
member of the float value set.
static double
signum(double d)
Returns the signum function of the argument; zero if the argument
is zero, 1.0 if the argument is greater than zero, -1.0 if the
argument is less than zero.
static float
signum(float f)
Returns the signum function of the argument; zero if the argument
is zero, 1.0f if the argument is greater than zero, -1.0f if the
argument is less than zero.
static double
sin(double a)
Returns the trigonometric sine of an angle.
static double
sinh(double x)
Returns the hyperbolic sine of a double value.
static double
sqrt(double a)
Returns the correctly rounded positive square root of a
double value.
static double
tan(double a)
Returns the trigonometric tangent of an angle.
static double
tanh(double x)
Returns the hyperbolic tangent of a double value.
static double
toDegrees(double angrad)
Converts an angle measured in radians to an approximately
equivalent angle measured in degrees.
static double
toRadians(double angdeg)
Converts an angle measured in degrees to an approximately
equivalent angle measured in radians.
static double
ulp(double d)
Returns the size of an ulp of the argument.
static float
ulp(float f)
Returns the size of an ulp of the argument.
