Source file src/math/cmplx/example_test.go

Documentation: math/cmplx

     1  // Copyright 2016 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  package cmplx_test
     6  
     7  import (
     8  	"fmt"
     9  	"math"
    10  	"math/cmplx"
    11  )
    12  
    13  func ExampleAbs() {
    14  	fmt.Printf("%.1f", cmplx.Abs(3+4i))
    15  	// Output: 5.0
    16  }
    17  
    18  // ExampleExp computes Euler's identity.
    19  func ExampleExp() {
    20  	fmt.Printf("%.1f", cmplx.Exp(1i*math.Pi)+1)
    21  	// Output: (0.0+0.0i)
    22  }
    23  
    24  func ExamplePolar() {
    25  	r, theta := cmplx.Polar(2i)
    26  	fmt.Printf("r: %.1f, θ: %.1f*π", r, theta/math.Pi)
    27  	// Output: r: 2.0, θ: 0.5*π
    28  }
    29  

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