1 // Copyright 2017 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 math_test 6 7 import ( 8 "fmt" 9 "math" 10 ) 11 12 func ExampleAcos() { 13 fmt.Printf("%.2f", math.Acos(1)) 14 // Output: 0.00 15 } 16 17 func ExampleAcosh() { 18 fmt.Printf("%.2f", math.Acosh(1)) 19 // Output: 0.00 20 } 21 22 func ExampleAsin() { 23 fmt.Printf("%.2f", math.Asin(0)) 24 // Output: 0.00 25 } 26 27 func ExampleAsinh() { 28 fmt.Printf("%.2f", math.Asinh(0)) 29 // Output: 0.00 30 } 31 32 func ExampleAtan() { 33 fmt.Printf("%.2f", math.Atan(0)) 34 // Output: 0.00 35 } 36 37 func ExampleAtan2() { 38 fmt.Printf("%.2f", math.Atan2(0, 0)) 39 // Output: 0.00 40 } 41 42 func ExampleAtanh() { 43 fmt.Printf("%.2f", math.Atanh(0)) 44 // Output: 0.00 45 } 46 47 func ExampleCos() { 48 fmt.Printf("%.2f", math.Cos(math.Pi/2)) 49 // Output: 0.00 50 } 51 52 func ExampleCosh() { 53 fmt.Printf("%.2f", math.Cosh(0)) 54 // Output: 1.00 55 } 56 57 func ExampleSin() { 58 fmt.Printf("%.2f", math.Sin(math.Pi)) 59 // Output: 0.00 60 } 61 62 func ExampleSincos() { 63 sin, cos := math.Sincos(0) 64 fmt.Printf("%.2f, %.2f", sin, cos) 65 // Output: 0.00, 1.00 66 } 67 68 func ExampleSinh() { 69 fmt.Printf("%.2f", math.Sinh(0)) 70 // Output: 0.00 71 } 72 73 func ExampleTan() { 74 fmt.Printf("%.2f", math.Tan(0)) 75 // Output: 0.00 76 } 77 78 func ExampleTanh() { 79 fmt.Printf("%.2f", math.Tanh(0)) 80 // Output: 0.00 81 } 82 83 func ExampleSqrt() { 84 const ( 85 a = 3 86 b = 4 87 ) 88 c := math.Sqrt(a*a + b*b) 89 fmt.Printf("%.1f", c) 90 // Output: 5.0 91 } 92
