Primorial numbers: Difference between revisions
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→{{header|Wren}}: Added an embedded version using GMP. |
→Embedded: Now uses new Mpz.digitsinBase method. |
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===Embedded=== |
===Embedded=== |
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{{libheader|Wren-gmp}} |
{{libheader|Wren-gmp}} |
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Far quicker, of course than the CLI version, completing in around 2. |
Far quicker, of course than the CLI version, completing in around 2.0 seconds. |
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If we could use Mpz.sizeInBase(10) this would be twice as quick but unfortunately (for bases which aren't a power of two) it can return a figure which is one too big and does so here for primorial(10000) giving 45,338. |
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<lang ecmascript>import "./math" for Int |
<lang ecmascript>import "./math" for Int |
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import "./gmp" for Mpz |
import "./gmp" for Mpz |
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System.print("\nThe following primorials have the lengths shown:") |
System.print("\nThe following primorials have the lengths shown:") |
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for (i in [1e1, 1e2, 1e3, 1e4, 1e5, 1e6]) { |
for (i in [1e1, 1e2, 1e3, 1e4, 1e5, 1e6]) { |
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Fmt.print("$7d: $d", i, z.primorial(primes[i]). |
Fmt.print("$7d: $d", i, z.primorial(primes[i]).digitsInBase(10)) |
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}</lang> |
}</lang> |
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{{out}} |
{{out}} |
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