log

Table of Contents

Function

log — natural logarithm

Synopsis

log(val: number) -> float64

Description

The log function returns the natural logarithm of its argument val, which must be numeric. The return value is a float64 or an error.

Examples

The logarithm of various numbers:

yield log(this)
4
4.0
2.718
-1
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The largest power of 10 smaller than the input:

yield int64(log(this)/log(10))
9
10
20
1000
1100
30000
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Next: lower

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