Calculates the natural logarithm of the sum of field value and 1. For
small values of x
, the result of
log1p(x)
is much closer to the true result
of ln(1 + x)
than the floating-point
evaluation of log(1.0+x)
.
Hide omitted argument names for this function
Omitted Argument NamesThe argument name for
field
can be omitted; the following forms of this function are equivalent:logscalemath:log1p("value")
and:
logscalemath:log1p(field="value")
These examples show basic structure only.