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/* __ *\
** ________ ___ / / ___ Scala API **
** / __/ __// _ | / / / _ | (c) 2002-2011, LAMP/EPFL **
** __\ \/ /__/ __ |/ /__/ __ | http://scala-lang.org/ **
** /____/\___/_/ |_/____/_/ | | **
** |/ **
\* */
package scala
/** Common code between the deprecated `scala.Math` object and
* the `scala.math` package object.
*/
private[scala] class MathCommon {
/** The `double` value that is closer than any other to `e`, the base of
* the natural logarithms.
*/
val E = java.lang.Math.E
/** The `double` value that is closer than any other to `pi`, the ratio of
* the circumference of a circle to its diameter.
*/
val Pi = java.lang.Math.PI
/** Returns a `double` value with a positive sign, greater than or equal
* to `0.0` and less than `1.0`.
*/
def random: Double = java.lang.Math.random()
def sin(x: Double): Double = java.lang.Math.sin(x)
def cos(x: Double): Double = java.lang.Math.cos(x)
def tan(x: Double): Double = java.lang.Math.tan(x)
def asin(x: Double): Double = java.lang.Math.asin(x)
def acos(x: Double): Double = java.lang.Math.acos(x)
def atan(x: Double): Double = java.lang.Math.atan(x)
/** Converts an angle measured in degrees to an approximately equivalent
* angle measured in radians.
*
* @param x an angle, in degrees
* @return the measurement of the angle `x` in radians.
*/
def toRadians(x: Double): Double = java.lang.Math.toRadians(x)
/** Converts an angle measured in radians to an approximately equivalent
* angle measured in degrees.
*
* @param x angle, in radians
* @return the measurement of the angle `x` in degrees.
*/
def toDegrees(x: Double): Double = java.lang.Math.toDegrees(x)
/** Returns Euler's number `e` raised to the power of a `double` value.
*
* @param x the exponent to raise `e` to.
* @return the value `e^a^`, where `e` is the base of the natural
* logarithms.
*/
def exp(x: Double): Double = java.lang.Math.exp(x)
def log(x: Double): Double = java.lang.Math.log(x)
def sqrt(x: Double): Double = java.lang.Math.sqrt(x)
def IEEEremainder(x: Double, y: Double): Double = java.lang.Math.IEEEremainder(x, y)
def ceil(x: Double): Double = java.lang.Math.ceil(x)
def floor(x: Double): Double = java.lang.Math.floor(x)
/** Returns the `double` value that is closest in value to the
* argument and is equal to a mathematical integer.
*
* @param x a `double` value
* @return the closest floating-point value to a that is equal to a
* mathematical integer.
*/
def rint(x: Double): Double = java.lang.Math.rint(x)
/** Converts rectangular coordinates `(x, y)` to polar `(r, theta)`.
*
* @param x the ordinate coordinate
* @param y the abscissa coordinate
* @return the ''theta'' component of the point `(r, theta)` in polar
* coordinates that corresponds to the point `(x, y)` in
* Cartesian coordinates.
*/
def atan2(y: Double, x: Double): Double = java.lang.Math.atan2(y, x)
/** Returns the value of the first argument raised to the power of the
* second argument.
*
* @param x the base.
* @param y the exponent.
* @return the value `x^y^`.
*/
def pow(x: Double, y: Double): Double = java.lang.Math.pow(x, y)
/** Returns the closest `long` to the argument.
*
* @param x a floating-point value to be rounded to a `long`.
* @return the value of the argument rounded to the nearest`long` value.
*/
def round(x: Float): Int = java.lang.Math.round(x)
def round(x: Double): Long = java.lang.Math.round(x)
def abs(x: Int): Int = java.lang.Math.abs(x)
def abs(x: Long): Long = java.lang.Math.abs(x)
def abs(x: Float): Float = java.lang.Math.abs(x)
def abs(x: Double): Double = java.lang.Math.abs(x)
def max(x: Int, y: Int): Int = java.lang.Math.max(x, y)
def max(x: Long, y: Long): Long = java.lang.Math.max(x, y)
def max(x: Float, y: Float): Float = java.lang.Math.max(x, y)
def max(x: Double, y: Double): Double = java.lang.Math.max(x, y)
def min(x: Int, y: Int): Int = java.lang.Math.min(x, y)
def min(x: Long, y: Long): Long = java.lang.Math.min(x, y)
def min(x: Float, y: Float): Float = java.lang.Math.min(x, y)
def min(x: Double, y: Double): Double = java.lang.Math.min(x, y)
def signum(x: Double): Double =
if (x == 0d) 0d
else if (x < 0) -1.0
else if (x > 0) 1.0
else x // NaN
def signum(x: Float): Float =
if (x == 0f) 0f
else if (x < 0) -1.0f
else if (x > 0) 1.0f
else x // NaN
def signum(x: Long): Long =
if (x == 0l) 0l
else if (x < 0) -1l
else 1l
def signum(x: Int): Int =
if (x == 0) 0
else if (x < 0) -1
else 1
}
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