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author | Adriaan Moors <adriaan.moors@typesafe.com> | 2013-06-28 16:24:30 -0700 |
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committer | Adriaan Moors <adriaan.moors@typesafe.com> | 2013-06-28 16:24:30 -0700 |
commit | ece55b61f353c1482e0d6378c360ddd5e72c4681 (patch) | |
tree | 87776ec84dc0dafc57c2a13391d6e0106f4fd50e /src/library | |
parent | 458bd6a56eb521ed195ff19744e086937792627b (diff) | |
parent | 4cbb6a93b9d46174cd86d6c9b6ecaeba3ba67e9d (diff) | |
download | scala-ece55b61f353c1482e0d6378c360ddd5e72c4681.tar.gz scala-ece55b61f353c1482e0d6378c360ddd5e72c4681.tar.bz2 scala-ece55b61f353c1482e0d6378c360ddd5e72c4681.zip |
Merge pull request #2676 from soc/SI-7511
SI-7511 Remove indirection of numeric methods
Diffstat (limited to 'src/library')
-rw-r--r-- | src/library/scala/math/ScalaNumericConversions.scala | 1 | ||||
-rw-r--r-- | src/library/scala/runtime/RichByte.scala | 14 | ||||
-rw-r--r-- | src/library/scala/runtime/RichChar.scala | 14 | ||||
-rw-r--r-- | src/library/scala/runtime/RichDouble.scala | 47 | ||||
-rw-r--r-- | src/library/scala/runtime/RichFloat.scala | 47 | ||||
-rw-r--r-- | src/library/scala/runtime/RichInt.scala | 47 | ||||
-rw-r--r-- | src/library/scala/runtime/RichLong.scala | 27 | ||||
-rw-r--r-- | src/library/scala/runtime/RichShort.scala | 14 | ||||
-rw-r--r-- | src/library/scala/runtime/ScalaNumberProxy.scala | 4 |
9 files changed, 147 insertions, 68 deletions
diff --git a/src/library/scala/math/ScalaNumericConversions.scala b/src/library/scala/math/ScalaNumericConversions.scala index 336991781e..0006133b13 100644 --- a/src/library/scala/math/ScalaNumericConversions.scala +++ b/src/library/scala/math/ScalaNumericConversions.scala @@ -20,6 +20,7 @@ trait ScalaNumericConversions extends ScalaNumber with ScalaNumericAnyConversion * across all the numeric types, suitable for use in value classes. */ trait ScalaNumericAnyConversions extends Any { + /** @return `'''true'''` if this number has no decimal component, `'''false'''` otherwise. */ def isWhole(): Boolean def underlying(): Any diff --git a/src/library/scala/runtime/RichByte.scala b/src/library/scala/runtime/RichByte.scala index ea23cb8867..ce658d2277 100644 --- a/src/library/scala/runtime/RichByte.scala +++ b/src/library/scala/runtime/RichByte.scala @@ -13,4 +13,18 @@ package runtime final class RichByte(val self: Byte) extends AnyVal with ScalaWholeNumberProxy[Byte] { protected def num = scala.math.Numeric.ByteIsIntegral protected def ord = scala.math.Ordering.Byte + + override def doubleValue() = self.toDouble + override def floatValue() = self.toFloat + override def longValue() = self.toLong + override def intValue() = self.toInt + override def byteValue() = self + override def shortValue() = self.toShort + + override def isValidByte = true + + override def abs: Byte = math.abs(self).toByte + override def max(that: Byte): Byte = math.max(self, that).toByte + override def min(that: Byte): Byte = math.min(self, that).toByte + override def signum: Int = math.signum(self.toInt) } diff --git a/src/library/scala/runtime/RichChar.scala b/src/library/scala/runtime/RichChar.scala index c069fd1fef..71ea3a21e1 100644 --- a/src/library/scala/runtime/RichChar.scala +++ b/src/library/scala/runtime/RichChar.scala @@ -16,6 +16,20 @@ final class RichChar(val self: Char) extends AnyVal with IntegralProxy[Char] { protected def num = scala.math.Numeric.CharIsIntegral protected def ord = scala.math.Ordering.Char + override def doubleValue() = self.toDouble + override def floatValue() = self.toFloat + override def longValue() = self.toLong + override def intValue() = self.toInt + override def byteValue() = self.toByte + override def shortValue() = self.toShort + + override def isValidChar = true + + override def abs: Char = self + override def max(that: Char): Char = math.max(self.toInt, that.toInt).toChar + override def min(that: Char): Char = math.min(self.toInt, that.toInt).toChar + override def signum: Int = math.signum(self.toInt) + def asDigit: Int = Character.digit(self, Character.MAX_RADIX) def isControl: Boolean = Character.isISOControl(self) diff --git a/src/library/scala/runtime/RichDouble.scala b/src/library/scala/runtime/RichDouble.scala index 2f16a296b3..9d7a55d5cd 100644 --- a/src/library/scala/runtime/RichDouble.scala +++ b/src/library/scala/runtime/RichDouble.scala @@ -14,6 +14,35 @@ final class RichDouble(val self: Double) extends AnyVal with FractionalProxy[Dou protected def ord = scala.math.Ordering.Double protected def integralNum = scala.math.Numeric.DoubleAsIfIntegral + override def doubleValue() = self + override def floatValue() = self.toFloat + override def longValue() = self.toLong + override def intValue() = self.toInt + override def byteValue() = self.toByte + override def shortValue() = self.toShort + + override def isWhole = { + val l = self.toLong + l.toDouble == self || l == Long.MaxValue && self < Double.PositiveInfinity || l == Long.MinValue && self > Double.NegativeInfinity + } + override def isValidByte = self.toByte.toDouble == self + override def isValidShort = self.toShort.toDouble == self + override def isValidChar = self.toChar.toDouble == self + override def isValidInt = self.toInt.toDouble == self + // override def isValidLong = { val l = self.toLong; l.toDouble == self && l != Long.MaxValue } + // override def isValidFloat = self.toFloat.toDouble == self + // override def isValidDouble = !java.lang.Double.isNaN(self) + + def isNaN: Boolean = java.lang.Double.isNaN(self) + def isInfinity: Boolean = java.lang.Double.isInfinite(self) + def isPosInfinity: Boolean = Double.PositiveInfinity == self + def isNegInfinity: Boolean = Double.NegativeInfinity == self + + override def abs: Double = math.abs(self) + override def max(that: Double): Double = math.max(self, that) + override def min(that: Double): Double = math.min(self, that) + override def signum: Int = math.signum(self).toInt // !!! NaN + def round: Long = math.round(self) def ceil: Double = math.ceil(self) def floor: Double = math.floor(self) @@ -30,22 +59,4 @@ final class RichDouble(val self: Double) extends AnyVal with FractionalProxy[Dou * @return the measurement of the angle x in degrees. */ def toDegrees: Double = math.toDegrees(self) - - // isNaN is provided by the implicit conversion to java.lang.Double - // def isNaN: Boolean = java.lang.Double.isNaN(self) - def isInfinity: Boolean = java.lang.Double.isInfinite(self) - def isPosInfinity: Boolean = isInfinity && self > 0.0 - def isNegInfinity: Boolean = isInfinity && self < 0.0 - - override def isValidByte = self.toByte.toDouble == self - override def isValidShort = self.toShort.toDouble == self - override def isValidChar = self.toChar.toDouble == self - override def isValidInt = self.toInt.toDouble == self - // override def isValidLong = { val l = self.toLong; l.toDouble == self && l != Long.MaxValue } - // override def isValidFloat = self.toFloat.toDouble == self - // override def isValidDouble = !java.lang.Double.isNaN(self) - override def isWhole = { - val l = self.toLong - l.toDouble == self || l == Long.MaxValue && self < Double.PositiveInfinity || l == Long.MinValue && self > Double.NegativeInfinity - } } diff --git a/src/library/scala/runtime/RichFloat.scala b/src/library/scala/runtime/RichFloat.scala index 0bca033b7b..93777f2405 100644 --- a/src/library/scala/runtime/RichFloat.scala +++ b/src/library/scala/runtime/RichFloat.scala @@ -14,6 +14,35 @@ final class RichFloat(val self: Float) extends AnyVal with FractionalProxy[Float protected def ord = scala.math.Ordering.Float protected def integralNum = scala.math.Numeric.FloatAsIfIntegral + override def doubleValue() = self.toDouble + override def floatValue() = self + override def longValue() = self.toLong + override def intValue() = self.toInt + override def byteValue() = self.toByte + override def shortValue() = self.toShort + + override def isWhole = { + val l = self.toLong + l.toFloat == self || l == Long.MaxValue && self < Float.PositiveInfinity || l == Long.MinValue && self > Float.NegativeInfinity + } + override def isValidByte = self.toByte.toFloat == self + override def isValidShort = self.toShort.toFloat == self + override def isValidChar = self.toChar.toFloat == self + override def isValidInt = { val i = self.toInt; i.toFloat == self && i != Int.MaxValue } + // override def isValidLong = { val l = self.toLong; l.toFloat == self && l != Long.MaxValue } + // override def isValidFloat = !java.lang.Float.isNaN(self) + // override def isValidDouble = !java.lang.Float.isNaN(self) + + def isNaN: Boolean = java.lang.Float.isNaN(self) + def isInfinity: Boolean = java.lang.Float.isInfinite(self) + def isPosInfinity: Boolean = Float.PositiveInfinity == self + def isNegInfinity: Boolean = Float.NegativeInfinity == self + + override def abs: Float = math.abs(self) + override def max(that: Float): Float = math.max(self, that) + override def min(that: Float): Float = math.min(self, that) + override def signum: Int = math.signum(self).toInt // !!! NaN + def round: Int = math.round(self) def ceil: Float = math.ceil(self.toDouble).toFloat def floor: Float = math.floor(self.toDouble).toFloat @@ -31,22 +60,4 @@ final class RichFloat(val self: Float) extends AnyVal with FractionalProxy[Float * @return the measurement of the angle `x` in degrees. */ def toDegrees: Float = math.toDegrees(self.toDouble).toFloat - - // isNaN is provided by the implicit conversion to java.lang.Float - // def isNaN: Boolean = java.lang.Float.isNaN(self) - def isInfinity: Boolean = java.lang.Float.isInfinite(self) - def isPosInfinity: Boolean = isInfinity && self > 0.0f - def isNegInfinity: Boolean = isInfinity && self < 0.0f - - override def isValidByte = self.toByte.toFloat == self - override def isValidShort = self.toShort.toFloat == self - override def isValidChar = self.toChar.toFloat == self - override def isValidInt = { val i = self.toInt; i.toFloat == self && i != Int.MaxValue } - // override def isValidLong = { val l = self.toLong; l.toFloat == self && l != Long.MaxValue } - // override def isValidFloat = !java.lang.Float.isNaN(self) - // override def isValidDouble = !java.lang.Float.isNaN(self) - override def isWhole = { - val l = self.toLong - l.toFloat == self || l == Long.MaxValue && self < Float.PositiveInfinity || l == Long.MinValue && self > Float.NegativeInfinity - } } diff --git a/src/library/scala/runtime/RichInt.scala b/src/library/scala/runtime/RichInt.scala index a39710b146..cc4e92dfa3 100644 --- a/src/library/scala/runtime/RichInt.scala +++ b/src/library/scala/runtime/RichInt.scala @@ -9,7 +9,6 @@ package scala package runtime - import scala.collection.immutable.Range // Note that this does not implement IntegralProxy[Int] so that it can return @@ -17,14 +16,33 @@ import scala.collection.immutable.Range final class RichInt(val self: Int) extends AnyVal with ScalaNumberProxy[Int] with RangedProxy[Int] { protected def num = scala.math.Numeric.IntIsIntegral protected def ord = scala.math.Ordering.Int - type ResultWithoutStep = Range - /** - * @return `'''true'''` if this number has no decimal component. - * Always returns `'''true'''` for `RichInt`. + override def doubleValue() = self.toDouble + override def floatValue() = self.toFloat + override def longValue() = self.toLong + override def intValue() = self + override def byteValue() = self.toByte + override def shortValue() = self.toShort + + /** Returns `'''true'''` if this number has no decimal component. + * Always `'''true'''` for `RichInt`. */ def isWhole() = true + override def isValidInt = true + def isValidLong = true + + override def abs: Int = math.abs(self) + override def max(that: Int): Int = math.max(self, that) + override def min(that: Int): Int = math.min(self, that) + override def signum: Int = math.signum(self) + + def toBinaryString: String = java.lang.Integer.toBinaryString(self) + def toHexString: String = java.lang.Integer.toHexString(self) + def toOctalString: String = java.lang.Integer.toOctalString(self) + + type ResultWithoutStep = Range + /** * @param end The final bound of the range to make. * @return A [[scala.collection.immutable.Range]] from `this` up to but @@ -55,23 +73,4 @@ final class RichInt(val self: Int) extends AnyVal with ScalaNumberProxy[Int] wit * and including `end`. */ def to(end: Int, step: Int): Range.Inclusive = Range.inclusive(self, end, step) - - /** - * @return `'''this'''` if `'''this''' < that` or `that` otherwise - */ - override def min(that: Int): Int = if (self < that) self else that - - /** - * @return `'''this'''` if `'''this''' > that` or `that` otherwise - */ - override def max(that: Int): Int = if (self > that) self else that - - /** - * Computes the absolute value of `'''this'''`. - */ - override def abs: Int = if (self < 0) -self else self - - def toBinaryString: String = java.lang.Integer.toBinaryString(self) - def toHexString: String = java.lang.Integer.toHexString(self) - def toOctalString: String = java.lang.Integer.toOctalString(self) } diff --git a/src/library/scala/runtime/RichLong.scala b/src/library/scala/runtime/RichLong.scala index e5b39b1c09..df0bbec047 100644 --- a/src/library/scala/runtime/RichLong.scala +++ b/src/library/scala/runtime/RichLong.scala @@ -9,20 +9,31 @@ package scala package runtime - final class RichLong(val self: Long) extends AnyVal with IntegralProxy[Long] { protected def num = scala.math.Numeric.LongIsIntegral protected def ord = scala.math.Ordering.Long - def toBinaryString: String = java.lang.Long.toBinaryString(self) - def toHexString: String = java.lang.Long.toHexString(self) - def toOctalString: String = java.lang.Long.toOctalString(self) + override def doubleValue() = self.toDouble + override def floatValue() = self.toFloat + override def longValue() = self + override def intValue() = self.toInt + override def byteValue() = self.toByte + override def shortValue() = self.toShort - override def isValidByte = self.toByte.toLong == self + override def isValidByte = self.toByte.toLong == self override def isValidShort = self.toShort.toLong == self - override def isValidChar = self.toChar.toLong == self - override def isValidInt = self.toInt.toLong == self - // override def isValidLong = true + override def isValidChar = self.toChar.toLong == self + override def isValidInt = self.toInt.toLong == self + def isValidLong = true // override def isValidFloat = self.toFloat.toLong == self && self != Long.MaxValue // override def isValidDouble = self.toDouble.toLong == self && self != Long.MaxValue + + override def abs: Long = math.abs(self) + override def max(that: Long): Long = math.max(self, that) + override def min(that: Long): Long = math.min(self, that) + override def signum: Int = math.signum(self).toInt + + def toBinaryString: String = java.lang.Long.toBinaryString(self) + def toHexString: String = java.lang.Long.toHexString(self) + def toOctalString: String = java.lang.Long.toOctalString(self) } diff --git a/src/library/scala/runtime/RichShort.scala b/src/library/scala/runtime/RichShort.scala index 3e5d8781ff..b35beff7eb 100644 --- a/src/library/scala/runtime/RichShort.scala +++ b/src/library/scala/runtime/RichShort.scala @@ -13,4 +13,18 @@ package runtime final class RichShort(val self: Short) extends AnyVal with ScalaWholeNumberProxy[Short] { protected def num = scala.math.Numeric.ShortIsIntegral protected def ord = scala.math.Ordering.Short + + override def doubleValue() = self.toDouble + override def floatValue() = self.toFloat + override def longValue() = self.toLong + override def intValue() = self.toInt + override def byteValue() = self.toByte + override def shortValue() = self + + override def isValidShort = true + + override def abs: Short = math.abs(self.toInt).toShort + override def max(that: Short): Short = math.max(self.toInt, that.toInt).toShort + override def min(that: Short): Short = math.min(self.toInt, that.toInt).toShort + override def signum: Int = math.signum(self.toInt) } diff --git a/src/library/scala/runtime/ScalaNumberProxy.scala b/src/library/scala/runtime/ScalaNumberProxy.scala index 6ea6448b1a..5e4da24c0d 100644 --- a/src/library/scala/runtime/ScalaNumberProxy.scala +++ b/src/library/scala/runtime/ScalaNumberProxy.scala @@ -32,9 +32,13 @@ trait ScalaNumberProxy[T] extends Any with ScalaNumericAnyConversions with Typed def byteValue() = intValue().toByte def shortValue() = intValue().toShort + /** Returns `'''this'''` if `'''this''' < that` or `that` otherwise. */ def min(that: T): T = num.min(self, that) + /** Returns `'''this'''` if `'''this''' > that` or `that` otherwise. */ def max(that: T): T = num.max(self, that) + /** Returns the absolute value of `'''this'''`. */ def abs = num.abs(self) + /** Returns the signum of `'''this'''`. */ def signum = num.signum(self) } trait ScalaWholeNumberProxy[T] extends Any with ScalaNumberProxy[T] { |