Golden ratio/Convergence: Difference between revisions
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(→{{header|M4}}: Note about recursion.) |
(→{{header|M4}}: More detail.) |
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M4 is a macro-preprocessor, not a general-purpose programming language. That we can do this much without a lot of trouble is interesting. |
M4 is a macro-preprocessor, not a general-purpose programming language. That we can do this much without a lot of trouble is interesting. |
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M4 has recursion but not true loops. It is possible to write macros that look like loops, |
M4 has recursion but not true loops. It is possible to write macros that look like loops, but that is not done here. The "_iterate" macro (called "_$0" within the body of "iterate") is recursive. |
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<syntaxhighlight lang="m4"> |
<syntaxhighlight lang="m4"> |
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