Commonize Float.rangeTo(Float) #KT-35299

(cherry picked from commit ae819b82974e585040c9c889e0cd8376bc2efdb7)
This commit is contained in:
Abduqodiri Qurbonzoda
2019-12-09 21:01:57 +03:00
committed by Vasily Levchenko
parent e1bb426e55
commit fd1a0804f3
@@ -82,40 +82,3 @@ public class LongRange(start: Long, endInclusive: Long) : LongProgression(start,
public val EMPTY: LongRange = LongRange(1, 0)
}
}
/**
* A closed range of values of type `Float`.
*
* Numbers are compared with the ends of this range according to IEEE-754.
*/
private class ClosedFloatRange (
start: Float,
endInclusive: Float
): ClosedFloatingPointRange<Float> {
private val _start = start
private val _endInclusive = endInclusive
override val start: Float get() = _start
override val endInclusive: Float get() = _endInclusive
override fun lessThanOrEquals(a: Float, b: Float): Boolean = a <= b
override fun contains(value: Float): Boolean = value >= _start && value <= _endInclusive
override fun isEmpty(): Boolean = !(_start <= _endInclusive)
override fun equals(other: Any?): Boolean {
return other is ClosedFloatRange && (isEmpty() && other.isEmpty() ||
_start == other._start && _endInclusive == other._endInclusive)
}
override fun hashCode(): Int {
return if (isEmpty()) -1 else 31 * _start.hashCode() + _endInclusive.hashCode()
}
override fun toString(): String = "$_start..$_endInclusive"
}
/**
* Creates a range from this [Float] value to the specified [that] value.
*
* Numbers are compared with the ends of this range according to IEEE-754.
*/
public operator fun Float.rangeTo(that: Float): ClosedFloatingPointRange<Float> = ClosedFloatRange(this, that)