/
/
/
/	D  E  X  P  3
/	-  -  -  -  -
/
/SUBROUTINE	DEXP3(B,E) FOR DOUBLE TO DOUBLE
/
/ VERSION 5A 4-26-77 MH
/
	SECT	DEXP3
	JA	#DEXP3
	DPCHK
	EXTERN	#ARGER
EXP3ER,	TRAP4	#ARGER
	TEXT	+DEXP3 +
EXP3XR,	SETX	XREXP3
	SETB	BPEXP3
	JA	.+3
BPEXP3,	FNOP
	0
	0
XREXP3,	F 0.0
EXP31,	F 0.0
	F 0.0
EXP32,	F 0.0
	F 0.0
	ORG	10*3+BPEXP3
	FNOP
	JA	EXP3XR
	0
XP3RTN,	JA	.
FP1XP3,	F 1.
	F 0.0
	BASE		0
#DEXP3,	STARTD
	FLDA	10*3
	FSTA	XP3RTN
	FLDA	0
	SETX	XREXP3
	SETB	BPEXP3
	BASE	BPEXP3
	LDX	1,1
	FSTA	BPEXP3
	FLDA%	BPEXP3,1	/ADDR OF B
	FSTA	EXP31
	FLDA%	BPEXP3,1+	/ADDR OF E
	FSTA	EXP32
	STARTE
	FLDA%	EXP31	/GET B
	JEQ	XP3RTN	/0 ^ X = 0
	FSTA	EXP31	/SAVE BASE
	FLDA%	EXP32	/GET E
	JEQ	EXP3ON	/X ^ 0 = 1
	FSTA	EXP32	/SAVE EXPONENT
	FLDA	EXP31
	JLT	EXP3ER	/ALL IS NOT WELL
	EXTERN	DLOG
	JSR	DLOG	/CALL LOG
	JA	.+4	/TAKE LOG (B)
	JA	EXP31
	FMUL	EXP32	/MULT BY EXPONENT-E
	FSTA	EXP31
	EXTERN	DEXP
	JSR	DEXP	/CALL EXP.
	JA	XP3RTN
	JA	EXP31
EXP3ON,	FLDA	FP1XP3
	JA	XP3RTN