| // 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 bits_test |
| |
| import ( |
| "fmt" |
| "math/bits" |
| ) |
| |
| func ExampleLeadingZeros16() { |
| fmt.Println(bits.LeadingZeros16(0)) |
| fmt.Println(bits.LeadingZeros16(1)) |
| fmt.Println(bits.LeadingZeros16(256)) |
| fmt.Println(bits.LeadingZeros16(65535)) |
| // Output: |
| // 16 |
| // 15 |
| // 7 |
| // 0 |
| } |
| |
| func ExampleLeadingZeros32() { |
| fmt.Println(bits.LeadingZeros32(0)) |
| fmt.Println(bits.LeadingZeros32(1)) |
| // Output: |
| // 32 |
| // 31 |
| } |
| |
| func ExampleLeadingZeros64() { |
| fmt.Println(bits.LeadingZeros64(0)) |
| fmt.Println(bits.LeadingZeros64(1)) |
| // Output: |
| // 64 |
| // 63 |
| } |
| |
| func ExampleOnesCount() { |
| fmt.Printf("%b\n", 14) |
| fmt.Println(bits.OnesCount(14)) |
| // Output: |
| // 1110 |
| // 3 |
| } |
| |
| func ExampleOnesCount8() { |
| fmt.Printf("%b\n", 14) |
| fmt.Println(bits.OnesCount8(14)) |
| // Output: |
| // 1110 |
| // 3 |
| } |
| |
| func ExampleOnesCount16() { |
| fmt.Printf("%b\n", 14) |
| fmt.Println(bits.OnesCount16(14)) |
| // Output: |
| // 1110 |
| // 3 |
| } |
| |
| func ExampleOnesCount32() { |
| fmt.Printf("%b\n", 14) |
| fmt.Println(bits.OnesCount32(14)) |
| // Output: |
| // 1110 |
| // 3 |
| } |
| |
| func ExampleOnesCount64() { |
| fmt.Printf("%b\n", 14) |
| fmt.Println(bits.OnesCount64(14)) |
| // Output: |
| // 1110 |
| // 3 |
| } |