The Tor Browser / file comparison
comparison: js/src/devtools/jint/sunspider/string-fasta.js
js/src/devtools/jint/sunspider/string-fasta.js
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
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| -1:000000000000 | 0:7a447934739d |
|---|---|
| 1 // The Great Computer Language Shootout | |
| 2 // http://shootout.alioth.debian.org | |
| 3 // | |
| 4 // Contributed by Ian Osgood | |
| 5 | |
| 6 var last = 42, A = 3877, C = 29573, M = 139968; | |
| 7 | |
| 8 function rand(max) { | |
| 9 last = (last * A + C) % M; | |
| 10 return max * last / M; | |
| 11 } | |
| 12 | |
| 13 var ALU = | |
| 14 "GGCCGGGCGCGGTGGCTCACGCCTGTAATCCCAGCACTTTGG" + | |
| 15 "GAGGCCGAGGCGGGCGGATCACCTGAGGTCAGGAGTTCGAGA" + | |
| 16 "CCAGCCTGGCCAACATGGTGAAACCCCGTCTCTACTAAAAAT" + | |
| 17 "ACAAAAATTAGCCGGGCGTGGTGGCGCGCGCCTGTAATCCCA" + | |
| 18 "GCTACTCGGGAGGCTGAGGCAGGAGAATCGCTTGAACCCGGG" + | |
| 19 "AGGCGGAGGTTGCAGTGAGCCGAGATCGCGCCACTGCACTCC" + | |
| 20 "AGCCTGGGCGACAGAGCGAGACTCCGTCTCAAAAA"; | |
| 21 | |
| 22 var IUB = { | |
| 23 a:0.27, c:0.12, g:0.12, t:0.27, | |
| 24 B:0.02, D:0.02, H:0.02, K:0.02, | |
| 25 M:0.02, N:0.02, R:0.02, S:0.02, | |
| 26 V:0.02, W:0.02, Y:0.02 | |
| 27 } | |
| 28 | |
| 29 var HomoSap = { | |
| 30 a: 0.3029549426680, | |
| 31 c: 0.1979883004921, | |
| 32 g: 0.1975473066391, | |
| 33 t: 0.3015094502008 | |
| 34 } | |
| 35 | |
| 36 function makeCumulative(table) { | |
| 37 var last = null; | |
| 38 /* BEGIN LOOP */ | |
| 39 for (var c in table) { | |
| 40 if (last) table[c] += table[last]; | |
| 41 last = c; | |
| 42 } | |
| 43 /* END LOOP */ | |
| 44 } | |
| 45 | |
| 46 function fastaRepeat(n, seq) { | |
| 47 var seqi = 0, lenOut = 60; | |
| 48 /* BEGIN LOOP */ | |
| 49 while (n>0) { | |
| 50 if (n<lenOut) lenOut = n; | |
| 51 if (seqi + lenOut < seq.length) { | |
| 52 ret = seq.substring(seqi, seqi+lenOut); | |
| 53 seqi += lenOut; | |
| 54 } else { | |
| 55 var s = seq.substring(seqi); | |
| 56 seqi = lenOut - s.length; | |
| 57 ret = s + seq.substring(0, seqi); | |
| 58 } | |
| 59 n -= lenOut; | |
| 60 } | |
| 61 /* END LOOP */ | |
| 62 } | |
| 63 | |
| 64 function fastaRandom(n, table) { | |
| 65 var line = new Array(60); | |
| 66 makeCumulative(table); | |
| 67 /* BEGIN LOOP */ | |
| 68 while (n>0) { | |
| 69 if (n<line.length) line = new Array(n); | |
| 70 /* BEGIN LOOP */ | |
| 71 for (var i=0; i<line.length; i++) { | |
| 72 var r = rand(1); | |
| 73 /* BEGIN LOOP */ | |
| 74 for (var c in table) { | |
| 75 if (r < table[c]) { | |
| 76 line[i] = c; | |
| 77 break; | |
| 78 } | |
| 79 } | |
| 80 /* END LOOP */ | |
| 81 } | |
| 82 /* END LOOP */ | |
| 83 ret = line.join(''); | |
| 84 n -= line.length; | |
| 85 } | |
| 86 /* END LOOP */ | |
| 87 } | |
| 88 | |
| 89 var ret; | |
| 90 | |
| 91 var count = 7; | |
| 92 ret = fastaRepeat(2*count*100000, ALU); | |
| 93 ret = fastaRandom(3*count*1000, IUB); | |
| 94 ret = fastaRandom(5*count*1000, HomoSap); | |
| 95 |
