The zero value.
SDK
- Xcode 10.2+
Framework
- Swift Standard Library
Declaration
static var zero: Double { get }
Discussion
Zero is the identity element for addition. For any value, x + .zero == x and .zero + x == x.
Type Property
zero
See Also
Accessing Numeric Constants
static var pi: DoubleThe mathematical constant pi.
static var infinity: DoublePositive infinity.
static var greatestFiniteMagnitude : DoubleThe greatest finite number representable by this type.
static var nan: DoubleA quiet NaN (“not a number”).
static var signalingNaN : DoubleA signaling NaN (“not a number”).
static var ulpOfOne : DoubleThe unit in the last place of 1.0.
static var leastNonzeroMagnitude : DoubleThe least positive number.
static var leastNormalMagnitude : DoubleThe least positive normal number.