11/3/71	LOG (III)
NAME	log -- logarithm base e
SYNOPSIS	jsr r5,log
DESCRIPTION	The logarithm base e of fr0 is returned in fr0. The floatingpoint simulation should be active in either floating or double
	mode, but in single precision integer mode.
FILES	kept in /etc/liba.a
SEE_ALSO	fptrap
DIAGNOSTICS	The error bit (c--bit) is set if the input argument is less thanor equal to zero.
BUGS
OWNER	ken