blob: 364891324a01bcac9b5fc0bbef3a93b323688566 [file] [log] [blame]
// Copyright 2017 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 math_test
import (
"fmt"
"math"
)
func ExampleAcos() {
fmt.Printf("%.2f", math.Acos(1))
// Output: 0.00
}
func ExampleAcosh() {
fmt.Printf("%.2f", math.Acosh(1))
// Output: 0.00
}
func ExampleAsin() {
fmt.Printf("%.2f", math.Asin(0))
// Output: 0.00
}
func ExampleAsinh() {
fmt.Printf("%.2f", math.Asinh(0))
// Output: 0.00
}
func ExampleAtan() {
fmt.Printf("%.2f", math.Atan(0))
// Output: 0.00
}
func ExampleAtan2() {
fmt.Printf("%.2f", math.Atan2(0, 0))
// Output: 0.00
}
func ExampleAtanh() {
fmt.Printf("%.2f", math.Atanh(0))
// Output: 0.00
}
func ExampleCos() {
fmt.Printf("%.2f", math.Cos(math.Pi/2))
// Output: 0.00
}
func ExampleCosh() {
fmt.Printf("%.2f", math.Cosh(0))
// Output: 1.00
}
func ExampleSin() {
fmt.Printf("%.2f", math.Sin(math.Pi))
// Output: 0.00
}
func ExampleSincos() {
sin, cos := math.Sincos(0)
fmt.Printf("%.2f, %.2f", sin, cos)
// Output: 0.00, 1.00
}
func ExampleSinh() {
fmt.Printf("%.2f", math.Sinh(0))
// Output: 0.00
}
func ExampleTan() {
fmt.Printf("%.2f", math.Tan(0))
// Output: 0.00
}
func ExampleTanh() {
fmt.Printf("%.2f", math.Tanh(0))
// Output: 0.00
}
func ExampleSqrt() {
const (
a = 3
b = 4
)
c := math.Sqrt(a*a + b*b)
fmt.Printf("%.1f", c)
// Output: 5.0
}
func ExampleCeil() {
c := math.Ceil(1.49)
fmt.Printf("%.1f", c)
// Output: 2.0
}
func ExampleFloor() {
c := math.Floor(1.51)
fmt.Printf("%.1f", c)
// Output: 1.0
}
func ExamplePow() {
c := math.Pow(2, 3)
fmt.Printf("%.1f", c)
// Output: 8.0
}
func ExamplePow10() {
c := math.Pow10(2)
fmt.Printf("%.1f", c)
// Output: 100.0
}
func ExampleRound() {
p := math.Round(10.5)
fmt.Printf("%.1f\n", p)
n := math.Round(-10.5)
fmt.Printf("%.1f\n", n)
// Output:
// 11.0
// -11.0
}
func ExampleRoundToEven() {
u := math.RoundToEven(11.5)
fmt.Printf("%.1f\n", u)
d := math.RoundToEven(12.5)
fmt.Printf("%.1f\n", d)
// Output:
// 12.0
// 12.0
}
func ExampleLog() {
x := math.Log(1)
fmt.Printf("%.1f\n", x)
y := math.Log(2.7183)
fmt.Printf("%.1f\n", y)
// Output:
// 0.0
// 1.0
}
func ExampleLog2() {
fmt.Printf("%.1f", math.Log2(256))
// Output: 8.0
}
func ExampleLog10() {
fmt.Printf("%.1f", math.Log10(100))
// Output: 2.0
}
func ExampleMod() {
c := math.Mod(7, 4)
fmt.Printf("%.1f", c)
// Output: 3.0
}
func ExampleAbs() {
x := math.Abs(-2)
fmt.Printf("%.1f\n", x)
y := math.Abs(2)
fmt.Printf("%.1f\n", y)
// Output:
// 2.0
// 2.0
}