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Diffstat (limited to 'libgo/go/math/bits/example_test.go')
-rw-r--r-- | libgo/go/math/bits/example_test.go | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/libgo/go/math/bits/example_test.go b/libgo/go/math/bits/example_test.go new file mode 100644 index 00000000000..78750da15d2 --- /dev/null +++ b/libgo/go/math/bits/example_test.go @@ -0,0 +1,80 @@ +// 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. + +// +build ignore + +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 +} |