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Go Standard Library Cookbook by Radomir Sohlich

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How to do it...

  1. Open the console and create the folder chapter03/recipe09.
  2. Navigate to the directory.
  3. Create the complex.go file with the following content:
        package main        import (          "fmt"          "math/cmplx"        )        func main() {          // complex numbers are          // defined as real and imaginary          // part defined by float64          a := complex(2, 3)          fmt.Printf("Real part: %f \n", real(a))          fmt.Printf("Complex part: %f \n", imag(a))          b := complex(6, 4)          // All common          // operators are useful          c := a - b          fmt.Printf("Difference : %v\n", c)          c = a + b          fmt.Printf("Sum : %v\n", c)          c = a * b          fmt.Printf("Product : %v\n", c)          c = a / b          fmt.Printf("Product : %v\n", c)          conjugate := cmplx.Conj(a)          fmt.Println("Complex number a's conjugate : ", conjugate)          cos := cmplx.Cos(b) fmt.Println("Cosine ...

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