Swift - tgamma() Function
The Swift tgamma() function returns gamma function of the argument. The gamma function of x is defined as:
Syntax
In Foundation framework, it is defined as follows:
public func tgamma(_ x: CGFloat) -> CGFloat public func tgamma(_ x: Float) -> Float public func tgamma(_ x: Float80) -> Float80 public func tgamma(_ __x: Double) -> Double
Parameters
x |
Specify the value. |
Return Value
Returns gamma function of the argument.
Example:
The example below shows the usage of tgamma() function.
import Foundation
print("tgamma(-2.5) = \(tgamma(-2.5))")
print("tgamma(-1.5) = \(tgamma(-1.5))")
print("tgamma(0.1) = \(tgamma(0.1))")
print("tgamma(1.5) = \(tgamma(1.5))")
print("tgamma(2.5) = \(tgamma(2.5))")
The output of the above code will be:
tgamma(-2.5) = -0.9453087204829418 tgamma(-1.5) = 2.363271801207355 tgamma(0.1) = 9.51350769866873 tgamma(1.5) = 0.886226925452758 tgamma(2.5) = 1.329340388179137
❮ Swift Math Functions
