package Real
import NoWurst

public constant REAL_MAX = 340282366920938000000000000000000000000.
public constant REAL_MIN = -340282366920938000000000000000000000000.

/**	Returns the abolsute value of the given real.
	This means, negative values will be return positive. */
public function real.abs() returns real
	return this < 0 ? -this : this

/** Returns the result of this * this, i.e. the square */
public function real.squared() returns real
	return this * this

/** Returns the sign of this real */
public function real.sign() returns int
	return (this > 0 ? 1 : (this < 0 ? -1 : 0))

/** Rounds the input real to the nearest int */
public function real.round() returns int
	return this > 0 ? (this + .5).toInt() : (this - .5).toInt()

/** Rounds the input real towards zero to the nearest int */
public function real.trunc() returns int
	return this.toInt()

/** Rounds the input real downward to the nearest int */
public function real.floor() returns int
	var r = this.toInt()
	if this < 0 and this - r != 0.
		r -= 1
	return r

/** Rounds the input real upward to the nearest int */
public function real.ceil() returns int
	var r = this.toInt()
	if this > 0 and this - r != 0.
		r += 1
	return r

/** Limits the input real to the given range */
public function real.clamp(real lowerBound, real higherBound) returns real
	return (this <= lowerBound ? lowerBound : (this >= higherBound ? higherBound : this))

/** Converts the input real to an int. This cuts off
	the decimal digits. (1.9 -> 1) */
public function real.toInt() returns int
	return R2I(this)

/** Returns the string representation of this real */
public function real.toString() returns string
	return R2S(this)

/** Returns the string representation of this real with the given amount if digits precision */
public function real.toString(int precision) returns string
	return R2SW(this, precision, precision)

/** The inverse trigonometric function of cosine */
public function real.acos() returns real
	return Acos(this)

/** The inverse trigonometric function of sine */
public function real.asin() returns real
	return Asin(this)

/** The inverse trigonometric function of tangent */
public function real.atan() returns real
	return Atan(this)

/** The trigonometric function of cosine */
public function real.cos() returns real
	return Cos(this)

/** The trigonometric function of sine */
public function real.sin() returns real
	return Sin(this)

/** The trigonometric function of tangent */
public function real.tan() returns real
	return Tan(this)

/** The arctangent function with two arguments.
	The second argument is needed to determine the appropriate
	quadrant of the computed angle. */
public function real.atan2(real y) returns real
	return Atan2(y, this)

/** Returns this real to the power of the argument real */
public function real.pow(real x) returns real
	return Pow(this, x)

/** Linear Interpolation with alphafactor(smoothness) */
public function real.lerp(real target, real alpha) returns real
	return (this * (1.0 - alpha)) + (target * alpha)

/** Checks if this real is between low and high value */
public function real.isBetween(real low, real high) returns bool
	return this >= low and this <= high