-=(_:_:)

Other requirements

Type members

• associatedtype Exponent

  A type that can represent any written exponent.

• init(Int)

  Creates a new value, rounded to the closest possible representation.

• init<Source>(Source)

  Creates a new value, rounded to the closest possible representation.

• init?<Source>(exactly: Source)

  Creates a new value, if the given integer can be represented exactly.

• init(sign: FloatingPointSign, exponent: Self.Exponent, significand: Self)

  Creates a new value from the given sign, exponent, and significand.

• init(signOf: Self, magnitudeOf: Self)

  Creates a new floating-point value using the sign of one value and the magnitude of another.

• static var greatestFiniteMagnitude: Self

  The greatest finite number representable by this type.

• static var infinity: Self

  Positive infinity.

• static var leastNonzeroMagnitude: Self

  The least positive number.

• static var leastNormalMagnitude: Self

  The least positive normal number.

• static var nan: Self

  A quiet NaN (“not a number”).

• static var pi: Self

  The mathematical constant pi (π), approximately equal to 3.14159.

• static var radix: Int

  The radix, or base of exponentiation, for a floating-point type.

• static var signalingNaN: Self

  A signaling NaN (“not a number”).

• static var ulpOfOne: Self

  The unit in the last place of 1.0.

• static func maximum(Self, Self) -> Self

  Returns the greater of the two given values.

• static func maximumMagnitude(Self, Self) -> Self

  Returns the value with greater magnitude.

• static func minimum(Self, Self) -> Self

  Returns the lesser of the two given values.

• static func minimumMagnitude(Self, Self) -> Self

  Returns the value with lesser magnitude.

• static func * (lhs: Self, rhs: Self) -> Self

  Multiplies two values and produces their product, rounding to a representable value.

• static func *= (lhs: inout Self, rhs: Self)

  Multiplies two values and stores the result in the left-hand-side variable, rounding to a representable value.

• static func + (lhs: Self, rhs: Self) -> Self

  Adds two values and produces their sum, rounded to a representable value.

• static func += (lhs: inout Self, rhs: Self)

  Adds two values and stores the result in the left-hand-side variable, rounded to a representable value.

• static func - (operand: Self) -> Self

  Calculates the additive inverse of a value.

• static func - (lhs: Self, rhs: Self) -> Self

  Subtracts one value from another and produces their difference, rounded to a representable value.

• static func / (lhs: Self, rhs: Self) -> Self

  Returns the quotient of dividing the first value by the second, rounded to a representable value.

• static func /= (lhs: inout Self, rhs: Self)

  Divides the first value by the second and stores the quotient in the left-hand-side variable, rounding to a representable value.

Instance members

• var exponent: Self.Exponent

  The exponent of the floating-point value.

• var floatingPointClass: FloatingPointClassification

  The classification of this value.

• var isCanonical: Bool

  A Boolean value indicating whether the instance’s representation is in its canonical form.

• var isFinite: Bool

  A Boolean value indicating whether this instance is finite.

• var isInfinite: Bool

  A Boolean value indicating whether the instance is infinite.

• var isNaN: Bool

  A Boolean value indicating whether the instance is NaN (“not a number”).

• var isNormal: Bool

  A Boolean value indicating whether this instance is normal.

• var isSignalingNaN: Bool

  A Boolean value indicating whether the instance is a signaling NaN.

• var isSubnormal: Bool

  A Boolean value indicating whether the instance is subnormal.

• var isZero: Bool

  A Boolean value indicating whether the instance is equal to zero.

• var nextDown: Self

  The greatest representable value that compares less than this value.

• var nextUp: Self

  The least representable value that compares greater than this value.

• var sign: FloatingPointSign

  The sign of the floating-point value.

• var significand: Self

  The significand of the floating-point value.

• var ulp: Self

  The unit in the last place of this value.

• func addProduct(Self, Self)

  Adds the product of the two given values to this value in place, computed without intermediate rounding.

• func addingProduct(Self, Self) -> Self

  Returns the result of adding the product of the two given values to this value, computed without intermediate rounding.

• func formRemainder(dividingBy: Self)

  Replaces this value with the remainder of itself divided by the given value.

• func formSquareRoot()

  Replaces this value with its square root, rounded to a representable value.

• func formTruncatingRemainder(dividingBy: Self)

  Replaces this value with the remainder of itself divided by the given value using truncating division.

• func isEqual(to: Self) -> Bool

  Returns a Boolean value indicating whether this instance is equal to the given value.

• func isLess(than: Self) -> Bool

  Returns a Boolean value indicating whether this instance is less than the given value.

• func isLessThanOrEqualTo(Self) -> Bool

  Returns a Boolean value indicating whether this instance is less than or equal to the given value.

• func isTotallyOrdered(belowOrEqualTo: Self) -> Bool

  Returns a Boolean value indicating whether this instance should precede or tie positions with the given value in an ascending sort.

• func negate()

  Replaces this value with its additive inverse.

• func remainder(dividingBy: Self) -> Self

  Returns the remainder of this value divided by the given value.

• func round(FloatingPointRoundingRule)

  Rounds the value to an integral value using the specified rounding rule.

• func rounded(FloatingPointRoundingRule) -> Self

  Returns this value rounded to an integral value using the specified rounding rule.

• func squareRoot() -> Self

  Returns the square root of the value, rounded to a representable value.

• func truncatingRemainder(dividingBy: Self) -> Self

  Returns the remainder of this value divided by the given value using truncating division.