7.2 The Transcendentals module
log
G.f. method
Summary
Returns the natural logarithm of its argument.
Signature
log x => y
Arguments
- x
- An instance of type
<real>.
Values
- y
- An instance of type
<float>.
Library
common-extensions
Module
transcendentals
Description
Returns the natural logarithm of x to the base e. If x <= 0 <= 1, an error is signalled. The floating point precision of the result is given by the precision of x. The result is a single-float if x is an integer.
See also
See also exp, page 175, and logn, page 176.