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update golden
improve sieve test, and split into two versions SVN=127077
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72
test/chan/sieve.go
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72
test/chan/sieve.go
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@ -0,0 +1,72 @@
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// $G $D/$F.go && $L $F.$A && ./$A.out
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// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// This version generates up to 100 and checks the results.
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// With a channel, of course.
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package main
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// Send the sequence 2, 3, 4, ... to channel 'ch'.
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func Generate(ch *chan> int) {
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for i := 2; i<100; i++ {
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>ch = i // Send 'i' to channel 'ch'.
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}
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}
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// Copy the values from channel 'in' to channel 'out',
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// removing those divisible by 'prime'.
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func Filter(in *chan< int, out *chan> int, prime int) {
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for {
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i := <in // Receive value of new variable 'i' from 'in'.
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if i % prime != 0 {
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>out = i // Send 'i' to channel 'out'.
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}
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}
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}
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// The prime sieve: Daisy-chain Filter processes together.
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func Sieve(primes *chan> int) {
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ch := new(chan int); // Create a new channel.
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go Generate(ch); // Start Generate() as a subprocess.
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for {
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prime := <ch;
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>primes = prime;
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ch1 := new(chan int);
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go Filter(ch, ch1, prime);
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ch = ch1
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}
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}
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func main() {
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primes := new(chan int);
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go Sieve(primes);
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if <primes != 2 { panic 2 }
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if <primes != 3 { panic 3 }
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if <primes != 5 { panic 5 }
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if <primes != 7 { panic 7 }
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if <primes != 11 { panic 11 }
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if <primes != 13 { panic 13 }
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if <primes != 17 { panic 17 }
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if <primes != 19 { panic 19 }
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if <primes != 23 { panic 23 }
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if <primes != 29 { panic 29 }
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if <primes != 31 { panic 31 }
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if <primes != 37 { panic 37 }
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if <primes != 41 { panic 41 }
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if <primes != 43 { panic 43 }
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if <primes != 47 { panic 47 }
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if <primes != 53 { panic 53 }
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if <primes != 59 { panic 59 }
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if <primes != 61 { panic 61 }
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if <primes != 67 { panic 67 }
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if <primes != 71 { panic 71 }
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if <primes != 73 { panic 73 }
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if <primes != 79 { panic 79 }
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if <primes != 83 { panic 83 }
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if <primes != 89 { panic 89 }
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if <primes != 97 { panic 97 }
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sys.exit(0);
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}
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@ -30,11 +30,22 @@ hello, world
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=========== ./nil.go
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=========== ./peano.go
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0! = 1
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1! = 1
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2! = 2
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3! = 6
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4! = 24
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5! = 120
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6! = 720
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7! = 5040
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8! = 40320
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9! = 362880
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10! = 3628800
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=========== ./readfile.go
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=========== ./sieve.go
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sieve.go:8: fatal error: walktype: switch 1 unknown op SEND l(212)
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BUG: known to fail incorrectly
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=========== ./simassign.go
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@ -49,6 +60,8 @@ BUG: known to fail incorrectly
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=========== ./turing.go
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Hello World!
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=========== ./utf.go
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=========== ken/for.go
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=========== ken/interfun.go
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@ -101,6 +114,8 @@ abcxyz-abcxyz-abcxyz-abcxyz-abcxyz-abcxyz-abcxyz
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=========== ken/strvar.go
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=========== chan/sieve.go
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=========== bugs/bug010.go
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bugs/bug010.go:13: error in shape across CALL
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BUG: known to fail incorrectly
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