11 lines
261 B
Markdown
11 lines
261 B
Markdown
### fibsTillNum
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Returns the number of fibonnacci numbers till num(0 and num inclusive).
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```js
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const fibsTillNum = num =>
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Math.ceil(Math.log(num * Math.sqrt(5) + 1/2) / Math.log((Math.sqrt(5)+1)/2))
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// fibonacci(5) -> [0,1,1,2,3]
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// fibsTillNum(10) -> 7
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```
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