File: CEXP.RA of Disk: V50/Source/Source-Listing-RALF-1

(Source file text) 

---

/C=CEXP(C) COMPLEX EXPONENT
/
/
/ VERSION 50A 27-MAY-80 WVDM
/
/
/CEXP(Z)=EXP(X)*(COS(Y)+I*SIN(Y))
/ENTER+EXIT IN COMPLEX  Z=X+IY
/EXTERNAL EXP,SIN,COS
/
	SECT	CEXP
	JA	#CEXP
	DPCHK
	TEXT	+CEXP  +
CEXPXR,	SETX	XR
	SETB	BP
	JA	.+3
BP,	F 0.0
XR,	F 0.0
ARG,	F 0.0
	F 0.0
ETEMP,	F 0.0
	ORG	10*3+BP
	FNOP
	JA	CEXPXR
	0
RT,	JA	.
/
	BASE	0
#CEXP,	STARTD
	FLDA	10*3
	FSTA	RT
	FLDA	0
	SETB	BP
	SETX	XR
	BASE	BP
	LDX	1,1
	FSTA	BP
	FLDA%	BP,1
	FSTA	BP
	STARTE
	FLDA%	BP
	FSTA	ARG
	STARTF
	EXTERN	EXP
	JSR	EXP		/EXP(X)
	JA	CEX1
	JA	ARG
CEX1,	FSTA	ETEMP
	EXTERN	COS
	JSR	COS		/COS(Y)
	JA	CEX2
	JA	ARG+3
CEX2,	FMUL	ETEMP
	FSTA	ARG
	EXTERN	SIN
	JSR	SIN		/SIN(Y)
	JA	CEX3
	JA	ARG+3
CEX3,	FMUL	ETEMP
	FSTA	ARG+3
	STARTE
	FLDA	ARG
	FSTA	#CAC
	JA	RT
	EXTERN	#CAC


---