.de BR
.in 0
.in +8n
.ti -3n
..
.Th                                    LOG
.S2 SUMMARY:
Take natural logarithm of trace

.S2 LOG 

.S2 INPUT:

.S2 DESCRIPTION:
This takes the natural logarithm of a trace.
However NOTHING will be done if the
trace value is negative or zero. 

.S2 "SEE ALSO":
SQRT, SQR, EXP, ABS
       

