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PROGRAM BROADEN
c revised 4nov14 constatn given D exponents
c revised 21jul97
C TAPE5=INPUT
C TAPE6=OUTPUT
C TAPE21=SPECTRUM INPUT
C TAPE22=SPECTRUM OUTPUT
C THE MINIMUM DIMENSION OF H IS (NWL+19999+19999)*NMU
C FOR FLUX SPECTRA NMU IS 1
C DIMENSION H(4000000)
DIMENSION H(4100000)
DIMENSION RED(20000),BLUE(20000)
DIMENSION COMMENT(13),A(3),B(3)
REAL*8 LINDAT8(14)
REAL*4 LINDAT(28)
DIMENSION XMU(20),QMU(40),WLEDGE(377),TITLE(74)
REAL*8 TEFF,GLOG,TITLE,WBEGIN,RESOLU,XMU,WLEDGE,RATIO
REAL*8 QMU
DIMENSION APLOT(101)
DATA APLOT/101*1H /
LINOUT=300
REWIND 21
READ(21)TEFF,GLOG,TITLE,WBEGIN,RESOLU,NWL,IFSURF,NMU,XMU,NEDGE,
1(WLEDGE(I),I=1,NEDGE)
C 1(WLEDGE
WRITE(6,1010)TEFF,GLOG,NWL,TITLE
1010 FORMAT( 5H TEFF,F7.0,7H GRAV,F7.3,' NWL',I8/7H TITLE ,74A1)
WRITE(6,1007)NMU,(XMU(IMU),IMU=1,NMU)
1007 FORMAT(I4,20F6.3)
C IFSURF=3 FOR ROTATED SPECTRUM
IF(IFSURF.EQ.3) NMU=1
RATIO=1.+1./RESOLU
WEND=WBEGIN*RATIO**(NWL-1)
WCEN=(WBEGIN+WEND)*.5
VSTEP=2.99792458D5/RESOLU
WRITE(6,1005)WBEGIN,WEND,RESOLU,VSTEP,NWL
1005 FORMAT(2F14.5,F12.1,F12.5,I10)
NMU1=NMU+1
NMU2=NMU+NMU
C
C SAMPLE CARDS RIGHT SHIFTED BY 1
CGAUSSIAN 3.5 KM COMMENT FIELD
CGAUSSIAN 100000. RESOLUTIONCOMMENT FIELD
CGAUSSIAN 7. PM COMMENT FIELD
CSINX/X 3.5 KM COMMENT FIELD
CSINX/X 100000. RESOLUTIONCOMMENT FIELD
CSINX/X 7. PM COMMENT FIELD
CRECT 7. PM COMMENT FIELD
CRECT 3.5 KM COMMENT FIELD
CRECT 100000. RESOLUTIONCOMMENT FIELD
CMACRO 2.0 KM COMMENT FIELD
CPROFILE 5. POINTS COMMENT FIELD
CRED .3 .1 .1 .1 .05
CBLUE .3 .1 .1 .1 .05
C
C POINTS ARE TABULATED AT THE SPACING OF THE COMPUTED SPECTRUM
C THE CENTER IS THE FIRST POINT FOR EACH WING
C TAKING THE CENTER ONLY ONCE, THE PROFILE SUMS TO 1.
C
READ(5,1)A,X,B,COMMENT
1 FORMAT(A4,A4,A2,F10.2,A4,A4,A2,12A4,A2)
WRITE(6,2)A,X,B,COMMENT
2 FORMAT(1X,A4,A4,A2,F10.2,A4,A4,A2,12A4,A2)
IF(A(1).EQ.4HMACR)GO TO 10
IF(A(1).EQ.4HGAUS)GO TO 20
IF(A(1).EQ.4HSINX)GO TO 25
IF(A(1).EQ.4HRECT)GO TO 30
IF(A(1).EQ.4HPROF)GO TO 40
WRITE(6,3)
3 FORMAT(10H0BAD INPUT)
CALL EXIT
C
C MACROTURBULENT VELOCITY IN KM
10 VMAC=X
DO 11 I=1,20000
RED(I)=EXP(-(FLOAT(I-1)*VSTEP/VMAC)**2)
IF(RED(I).LT.1.D-5)GO TO 12
11 CONTINUE
12 NPROF=I
RED(1)=RED(1)/2.
SUM=0.
DO 13 I=1,NPROF
13 SUM=SUM+RED(I)
SUM=SUM*2.
DO 14 I=1,NPROF
RED(I)=RED(I)/SUM
14 BLUE(I)=RED(I)
GO TO 50
C
C GAUSSIAN INSTRUMENTAL PROFILE HALF WIDTH IN KM FWHM
20 FWHM=0.
IF(B(1).EQ.4HPM )FWHM=X/WCEN/1000.*299792.458D0
IF(B(1).EQ.4HKM )FWHM=X
IF(B(1).EQ.4HRESO)FWHM=299792.458D0/X
DO 21 I=1,20000
RED(I)=EXP(-(FLOAT(I-1)*VSTEP/FWHM *.8325546D0*2.)**2)
IF(RED(I).LT.1.D-5)GO TO 22
21 CONTINUE
22 NPROF=I
RED(1)=RED(1)/2.
SUM=0.
DO 23 I=1,NPROF
23 SUM=SUM+RED(I)
SUM=SUM*2.
DO 24 I=1,NPROF
RED(I)=RED(I)/SUM
24 BLUE(I)=RED(I)
GO TO 50
C
C SINX/X INSTRUMENTAL PROFILE HALF WIDTH IN KM FWHM
C APODIZED BY EXP(-0.06*X**2)
25 FWHM=0.
IF(B(1).EQ.4HPM )FWHM=X/WCEN/1000.*299792.458D0
IF(B(1).EQ.4HKM )FWHM=X
IF(B(1).EQ.4HRESO)FWHM=299792.458D0/X
RED(1)=0.5
DO 26 I=2,20000
X=(FLOAT(I-1)*VSTEP/FWHM*2.*1.8954942D0)
RED(I)=SIN(X)/X*EXP(-0.06*X**2)
IF(ABS(RED(I))+ABS(RED(I-1)).LT.1.D-5)GO TO 27
26 CONTINUE
27 NPROF=I
SUM=0.
DO 28 I=1,NPROF
28 SUM=SUM+RED(I)
SUM=SUM*2.
DO 29 I=1,NPROF
RED(I)=RED(I)/SUM
29 BLUE(I)=RED(I)
GO TO 50
C
C RECTANGULAR INSTRUMENTAL PROFILE HALF WIDTH IN KM FWHM
30 FWHM=0.
IF(B(1).EQ.4HPM )FWHM=X/WCEN/1000.*299792.458D0
IF(B(1).EQ.4HKM )FWHM=X
IF(B(1).EQ.4HRESO)FWHM=299792.458D0/X
XRECT=FWHM/2./VSTEP
NRECT=XRECT+1.5
NPROF=NRECT
DO 31 I=1,NPROF
31 RED(I)=1.
RED(NPROF)=XRECT+1.5-FLOAT(NRECT)
RED(1)=RED(1)/2.
SUM=0.
DO 33 I=1,NPROF
33 SUM=SUM+RED(I)
SUM=SUM*2.
DO 34 I=1,NPROF
RED(I)=RED(I)/SUM
34 BLUE(I)=RED(I)
GO TO 50
C
C INSTRUMENTAL PROFILE TABULATED AT SPECTRUM POINT SPACING.
C RED AND BLUE WINGS BOTH START AT CENTRAL POINT.
C THE PROFILE SHOULD SUM TO 1.
40 NPROF=X
READ(5,41)(RED(I),I=1,NPROF)
READ(5,41)(BLUE(I),I=1,NPROF)
41 FORMAT(10X,7F10.6)
RED(1)=RED(1)/2.
BLUE(1)=BLUE(1)/2.
50 WRITE(6,51)(I,RED(I),BLUE(I),I=1,NPROF)
51 FORMAT(I5,2F10.6)
WRITE(22)TEFF,GLOG,TITLE,WBEGIN,RESOLU,NWL,IFSURF,NMU,XMU,NEDGE,
1(WLEDGE,I=1,NEDGE)
C 1WLEDGE
NH=(NWL+19999+19999)*NMU
DO 52 I=1,NH
52 H(I)=0.
WRITE(6,1117)
1117 FORMAT(1H1)
IF(NMU.EQ.1)GO TO 150
DO 57 IWL=1,NWL
READ(21)(QMU(I),I=1,NMU)
DO 56 IMU=1,NMU
Q=QMU(IMU)
IWL1000=(IWL+20000)*NMU+IMU
DO 53 I=1,NPROF
53 H(IWL1000-I*NMU)=H(IWL1000-I*NMU)+BLUE(I)*Q
IWL998=(IWL+19998)*NMU+IMU
DO 54 I=1,NPROF
54 H(IWL998+I*NMU)=H(IWL998+I*NMU)+RED(I)*Q
56 CONTINUE
57 CONTINUE
GO TO 160
150 DO 157 IWL=1,NWL
READ(21)QMU(1)
Q=QMU(1)
IWL1001=IWL+20001
DO 153 I=1,NPROF
153 H(IWL1001-I)=H(IWL1001-I)+BLUE(I)*Q
IWL999=IWL+19999
DO 154 I=1,NPROF
154 H(IWL999+I)=H(IWL999+I)+RED(I)*Q
157 CONTINUE
160 REWIND 21
READ(21)
DO 70 IWL=1,NWL
READ(21)(QMU(IMU),IMU=1,NMU2)
IWLNMU=(IWL+19999)*NMU
DO 58 IMU=1,NMU
58 QMU(IMU)=H(IWLNMU+IMU)
WRITE(22)(QMU(I),I=1,NMU2)
IF(IWL.GT.LINOUT)GO TO 63
WAVE=WBEGIN*RATIO**(IWL-1)
RESID=QMU(1)/QMU(NMU1)
IRESID=RESID*1000.+.5
IPLOT=RESID*100.+1.5
IPLOT=MAX0(1,MIN0(101,IPLOT))
APLOT(IPLOT)=1HX
WRITE(6,2300)IWL,WAVE,IRESID,APLOT
2300 FORMAT(1H ,I5,F11.4,I7,101A1)
APLOT(IPLOT)=(1H )
63 CONTINUE
68 CONTINUE
70 CONTINUE
READ(21)NLINES
WRITE(22)NLINES
DO 200 I=1,NLINES
READ(21)LINDAT8,LINDAT
WRITE(22)LINDAT8,LINDAT
200 CONTINUE
CALL EXIT
END
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