go example_test 源码
golang example_test 代码
文件路径：/src/math/cmplx/example_test.go
// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package cmplx_test
import (
"fmt"
"math"
"math/cmplx"
)
func ExampleAbs() {
fmt.Printf("%.1f", cmplx.Abs(3+4i))
// Output: 5.0
}
// ExampleExp computes Euler's identity.
func ExampleExp() {
fmt.Printf("%.1f", cmplx.Exp(1i*math.Pi)+1)
// Output: (0.0+0.0i)
}
func ExamplePolar() {
r, theta := cmplx.Polar(2i)
fmt.Printf("r: %.1f, θ: %.1f*π", r, theta/math.Pi)
// Output: r: 2.0, θ: 0.5*π
}
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