| 1 |
! |
module fxhyp_m |
|
! $Header: /home/cvsroot/LMDZ4/libf/dyn3d/fxhyp.F,v 1.2 2005/06/03 09:11:32 fairhead Exp $ |
|
|
! |
|
|
c |
|
|
c |
|
|
SUBROUTINE fxhyp ( xzoomdeg,grossism,dzooma,tau , |
|
|
, rlonm025,xprimm025,rlonv,xprimv,rlonu,xprimu,rlonp025,xprimp025, |
|
|
, champmin,champmax ) |
|
|
|
|
|
c Auteur : P. Le Van |
|
|
|
|
|
use dimens_m |
|
|
use paramet_m |
|
|
IMPLICIT NONE |
|
|
|
|
|
c Calcule les longitudes et derivees dans la grille du GCM pour une |
|
|
c fonction f(x) a tangente hyperbolique . |
|
|
c |
|
|
c grossism etant le grossissement ( = 2 si 2 fois, = 3 si 3 fois,etc.) |
|
|
c dzoom etant la distance totale de la zone du zoom |
|
|
c tau la raideur de la transition de l'interieur a l'exterieur du zoom |
|
|
c |
|
|
c On doit avoir grossism x dzoom < pi ( radians ) , en longitude. |
|
|
c ******************************************************************** |
|
|
|
|
|
|
|
|
INTEGER nmax, nmax2 |
|
|
PARAMETER ( nmax = 30000, nmax2 = 2*nmax ) |
|
|
c |
|
|
LOGICAL scal180 |
|
|
PARAMETER ( scal180 = .TRUE. ) |
|
|
|
|
|
c scal180 = .TRUE. si on veut avoir le premier point scalaire pour |
|
|
c une grille reguliere ( grossism = 1.,tau=0.,clon=0. ) a -180. degres. |
|
|
c sinon scal180 = .FALSE. |
|
|
|
|
|
|
|
|
c ...... arguments d'entree ....... |
|
|
c |
|
|
REAL xzoomdeg,dzooma,tau,grossism |
|
|
|
|
|
c ...... arguments de sortie ...... |
|
|
|
|
|
REAL rlonm025(iip1),xprimm025(iip1),rlonv(iip1),xprimv(iip1), |
|
|
, rlonu(iip1),xprimu(iip1),rlonp025(iip1),xprimp025(iip1) |
|
|
|
|
|
c .... variables locales .... |
|
|
c |
|
|
REAL dzoom |
|
|
DOUBLE PRECISION xlon(iip1),xprimm(iip1),xuv |
|
|
DOUBLE PRECISION xtild(0:nmax2) |
|
|
DOUBLE PRECISION fhyp(0:nmax2),ffdx,beta,Xprimt(0:nmax2) |
|
|
DOUBLE PRECISION Xf(0:nmax2),xxpr(0:nmax2) |
|
|
DOUBLE PRECISION xvrai(iip1),xxprim(iip1) |
|
|
DOUBLE PRECISION pi,depi,epsilon,xzoom,fa,fb |
|
|
DOUBLE PRECISION Xf1, Xfi , a0,a1,a2,a3,xi2 |
|
|
INTEGER i,it,ik,iter,ii,idif,ii1,ii2 |
|
|
DOUBLE PRECISION xi,xo1,xmoy,xlon2,fxm,Xprimin |
|
|
DOUBLE PRECISION champmin,champmax,decalx |
|
|
INTEGER is2 |
|
|
SAVE is2 |
|
|
|
|
|
DOUBLE PRECISION heavyside |
|
|
|
|
|
pi = 2. * ASIN(1.) |
|
|
depi = 2. * pi |
|
|
epsilon = 1.e-3 |
|
|
xzoom = xzoomdeg * pi/180. |
|
|
c |
|
|
decalx = .75 |
|
|
IF( grossism.EQ.1..AND.scal180 ) THEN |
|
|
decalx = 1. |
|
|
ENDIF |
|
| 2 |
|
|
| 3 |
WRITE(6,*) 'FXHYP scal180,decalx', scal180,decalx |
IMPLICIT NONE |
|
c |
|
|
IF( dzooma.LT.1.) THEN |
|
|
dzoom = dzooma * depi |
|
|
ELSEIF( dzooma.LT. 25. ) THEN |
|
|
WRITE(6,*) ' Le param. dzoomx pour fxhyp est trop petit ! L aug |
|
|
,menter et relancer ! ' |
|
|
STOP 1 |
|
|
ELSE |
|
|
dzoom = dzooma * pi/180. |
|
|
ENDIF |
|
| 4 |
|
|
| 5 |
WRITE(6,*) ' xzoom( rad.),grossism,tau,dzoom (radians)' |
contains |
|
WRITE(6,24) xzoom,grossism,tau,dzoom |
|
| 6 |
|
|
| 7 |
DO i = 0, nmax2 |
SUBROUTINE fxhyp(xzoomdeg, grossism, dzooma, tau, rlonm025, xprimm025, & |
| 8 |
xtild(i) = - pi + FLOAT(i) * depi /nmax2 |
rlonv, xprimv, rlonu, xprimu, rlonp025, xprimp025, champmin, champmax) |
|
ENDDO |
|
| 9 |
|
|
| 10 |
DO i = nmax, nmax2 |
! From LMDZ4/libf/dyn3d/fxhyp.F, version 1.2, 2005/06/03 09:11:32 |
| 11 |
|
! Author: P. Le Van |
| 12 |
|
|
| 13 |
fa = tau* ( dzoom/2. - xtild(i) ) |
! Calcule les longitudes et dérivées dans la grille du GCM pour |
| 14 |
fb = xtild(i) * ( pi - xtild(i) ) |
! une fonction f(x) à tangente hyperbolique. |
| 15 |
|
|
| 16 |
IF( 200.* fb .LT. - fa ) THEN |
! On doit avoir grossism \times dzoom < pi (radians), en longitude. |
|
fhyp ( i) = - 1. |
|
|
ELSEIF( 200. * fb .LT. fa ) THEN |
|
|
fhyp ( i) = 1. |
|
|
ELSE |
|
|
IF( ABS(fa).LT.1.e-13.AND.ABS(fb).LT.1.e-13) THEN |
|
|
IF( 200.*fb + fa.LT.1.e-10 ) THEN |
|
|
fhyp ( i ) = - 1. |
|
|
ELSEIF( 200.*fb - fa.LT.1.e-10 ) THEN |
|
|
fhyp ( i ) = 1. |
|
|
ENDIF |
|
|
ELSE |
|
|
fhyp ( i ) = TANH ( fa/fb ) |
|
|
ENDIF |
|
|
ENDIF |
|
|
IF ( xtild(i).EQ. 0. ) fhyp(i) = 1. |
|
|
IF ( xtild(i).EQ. pi ) fhyp(i) = -1. |
|
| 17 |
|
|
| 18 |
ENDDO |
USE dimens_m, ONLY: iim |
| 19 |
|
USE paramet_m, ONLY: iip1 |
| 20 |
|
|
| 21 |
|
REAL, intent(in):: xzoomdeg |
| 22 |
|
|
| 23 |
|
REAL, intent(in):: grossism |
| 24 |
|
! grossissement (= 2 si 2 fois, = 3 si 3 fois, etc.) |
| 25 |
|
|
| 26 |
|
REAL, intent(in):: dzooma ! distance totale de la zone du zoom |
| 27 |
|
|
| 28 |
|
REAL, intent(in):: tau |
| 29 |
|
! raideur de la transition de l'intérieur à l'extérieur du zoom |
| 30 |
|
|
| 31 |
|
! arguments de sortie |
| 32 |
|
|
| 33 |
|
REAL, dimension(iip1):: rlonm025, xprimm025, rlonv, xprimv |
| 34 |
|
real, dimension(iip1):: rlonu, xprimu, rlonp025, xprimp025 |
| 35 |
|
|
| 36 |
|
DOUBLE PRECISION, intent(out):: champmin, champmax |
| 37 |
|
|
| 38 |
|
! Local: |
| 39 |
|
|
| 40 |
|
INTEGER, PARAMETER:: nmax = 30000, nmax2 = 2*nmax |
| 41 |
|
|
| 42 |
cc .... Calcul de beta .... |
LOGICAL, PARAMETER:: scal180 = .TRUE. |
| 43 |
|
! scal180 = .TRUE. si on veut avoir le premier point scalaire pour |
| 44 |
|
! une grille reguliere (grossism = 1., tau=0., clon=0.) a |
| 45 |
|
! -180. degres. sinon scal180 = .FALSE. |
| 46 |
|
|
| 47 |
ffdx = 0. |
REAL dzoom |
| 48 |
|
DOUBLE PRECISION xlon(iip1), xprimm(iip1), xuv |
| 49 |
|
DOUBLE PRECISION xtild(0:nmax2) |
| 50 |
|
DOUBLE PRECISION fhyp(0:nmax2), ffdx, beta, Xprimt(0:nmax2) |
| 51 |
|
DOUBLE PRECISION Xf(0:nmax2), xxpr(0:nmax2) |
| 52 |
|
DOUBLE PRECISION xvrai(iip1), xxprim(iip1) |
| 53 |
|
DOUBLE PRECISION pi, depi, epsilon, xzoom, fa, fb |
| 54 |
|
DOUBLE PRECISION Xf1, Xfi, a0, a1, a2, a3, xi2 |
| 55 |
|
INTEGER i, it, ik, iter, ii, idif, ii1, ii2 |
| 56 |
|
DOUBLE PRECISION xi, xo1, xmoy, xlon2, fxm, Xprimin |
| 57 |
|
DOUBLE PRECISION decalx |
| 58 |
|
INTEGER is2 |
| 59 |
|
SAVE is2 |
| 60 |
|
|
| 61 |
DO i = nmax +1,nmax2 |
DOUBLE PRECISION heavyside |
| 62 |
|
|
| 63 |
xmoy = 0.5 * ( xtild(i-1) + xtild( i ) ) |
!---------------------------------------------------------------------- |
|
fa = tau* ( dzoom/2. - xmoy ) |
|
|
fb = xmoy * ( pi - xmoy ) |
|
| 64 |
|
|
| 65 |
IF( 200.* fb .LT. - fa ) THEN |
pi = 2. * ASIN(1.) |
| 66 |
fxm = - 1. |
depi = 2. * pi |
| 67 |
ELSEIF( 200. * fb .LT. fa ) THEN |
epsilon = 1.e-3 |
| 68 |
fxm = 1. |
xzoom = xzoomdeg * pi/180. |
| 69 |
|
|
| 70 |
|
decalx = .75 |
| 71 |
|
IF (grossism == 1. .AND. scal180) THEN |
| 72 |
|
decalx = 1. |
| 73 |
|
ENDIF |
| 74 |
|
|
| 75 |
|
print *, 'FXHYP scal180, decalx', scal180, decalx |
| 76 |
|
|
| 77 |
|
IF (dzooma.LT.1.) THEN |
| 78 |
|
dzoom = dzooma * depi |
| 79 |
|
ELSEIF (dzooma.LT. 25.) THEN |
| 80 |
|
print *, "Le paramètre dzoomx pour fxhyp est trop petit. " & |
| 81 |
|
// "L'augmenter et relancer." |
| 82 |
|
STOP 1 |
| 83 |
|
ELSE |
| 84 |
|
dzoom = dzooma * pi/180. |
| 85 |
|
ENDIF |
| 86 |
|
|
| 87 |
|
print *, ' xzoom(rad), grossism, tau, dzoom (rad):' |
| 88 |
|
print *, xzoom, grossism, tau, dzoom |
| 89 |
|
|
| 90 |
|
DO i = 0, nmax2 |
| 91 |
|
xtild(i) = - pi + FLOAT(i) * depi /nmax2 |
| 92 |
|
ENDDO |
| 93 |
|
|
| 94 |
|
DO i = nmax, nmax2 |
| 95 |
|
fa = tau* (dzoom/2. - xtild(i)) |
| 96 |
|
fb = xtild(i) * (pi - xtild(i)) |
| 97 |
|
|
| 98 |
|
IF (200.* fb .LT. - fa) THEN |
| 99 |
|
fhyp (i) = - 1. |
| 100 |
|
ELSEIF (200. * fb .LT. fa) THEN |
| 101 |
|
fhyp (i) = 1. |
| 102 |
ELSE |
ELSE |
| 103 |
IF( ABS(fa).LT.1.e-13.AND.ABS(fb).LT.1.e-13) THEN |
IF (ABS(fa).LT.1.e-13.AND.ABS(fb).LT.1.e-13) THEN |
| 104 |
IF( 200.*fb + fa.LT.1.e-10 ) THEN |
IF (200.*fb + fa.LT.1.e-10) THEN |
| 105 |
fxm = - 1. |
fhyp (i) = - 1. |
| 106 |
ELSEIF( 200.*fb - fa.LT.1.e-10 ) THEN |
ELSEIF (200.*fb - fa.LT.1.e-10) THEN |
| 107 |
fxm = 1. |
fhyp (i) = 1. |
| 108 |
ENDIF |
ENDIF |
| 109 |
ELSE |
ELSE |
| 110 |
fxm = TANH ( fa/fb ) |
fhyp (i) = TANH (fa/fb) |
| 111 |
ENDIF |
ENDIF |
| 112 |
ENDIF |
ENDIF |
| 113 |
|
|
| 114 |
IF ( xmoy.EQ. 0. ) fxm = 1. |
IF (xtild(i) == 0.) fhyp(i) = 1. |
| 115 |
IF ( xmoy.EQ. pi ) fxm = -1. |
IF (xtild(i) == pi) fhyp(i) = -1. |
| 116 |
|
ENDDO |
| 117 |
|
|
| 118 |
|
! Calcul de beta |
| 119 |
|
|
| 120 |
|
ffdx = 0. |
| 121 |
|
|
| 122 |
|
DO i = nmax + 1, nmax2 |
| 123 |
|
xmoy = 0.5 * (xtild(i-1) + xtild(i)) |
| 124 |
|
fa = tau* (dzoom/2. - xmoy) |
| 125 |
|
fb = xmoy * (pi - xmoy) |
| 126 |
|
|
| 127 |
|
IF (200.* fb .LT. - fa) THEN |
| 128 |
|
fxm = - 1. |
| 129 |
|
ELSEIF (200. * fb .LT. fa) THEN |
| 130 |
|
fxm = 1. |
| 131 |
|
ELSE |
| 132 |
|
IF (ABS(fa).LT.1.e-13.AND.ABS(fb).LT.1.e-13) THEN |
| 133 |
|
IF (200.*fb + fa.LT.1.e-10) THEN |
| 134 |
|
fxm = - 1. |
| 135 |
|
ELSEIF (200.*fb - fa.LT.1.e-10) THEN |
| 136 |
|
fxm = 1. |
| 137 |
|
ENDIF |
| 138 |
|
ELSE |
| 139 |
|
fxm = TANH (fa/fb) |
| 140 |
|
ENDIF |
| 141 |
|
ENDIF |
| 142 |
|
|
| 143 |
ffdx = ffdx + fxm * ( xtild(i) - xtild(i-1) ) |
IF (xmoy == 0.) fxm = 1. |
| 144 |
|
IF (xmoy == pi) fxm = -1. |
| 145 |
|
|
| 146 |
ENDDO |
ffdx = ffdx + fxm * (xtild(i) - xtild(i-1)) |
| 147 |
|
ENDDO |
| 148 |
|
|
| 149 |
beta = ( grossism * ffdx - pi ) / ( ffdx - pi ) |
beta = (grossism * ffdx - pi) / (ffdx - pi) |
| 150 |
|
|
| 151 |
IF( 2.*beta - grossism.LE. 0.) THEN |
IF (2.*beta - grossism <= 0.) THEN |
| 152 |
WRITE(6,*) ' ** Attention ! La valeur beta calculee dans la rou |
print *, 'Attention ! La valeur beta calculée dans fxhyp est mauvaise.' |
| 153 |
,tine fxhyp est mauvaise ! ' |
print *, 'Modifier les valeurs de grossismx, tau ou dzoomx et relancer.' |
| 154 |
WRITE(6,*)'Modifier les valeurs de grossismx ,tau ou dzoomx ', |
STOP 1 |
| 155 |
, ' et relancer ! *** ' |
ENDIF |
| 156 |
STOP 1 |
|
| 157 |
ENDIF |
! calcul de Xprimt |
|
c |
|
|
c ..... calcul de Xprimt ..... |
|
|
c |
|
|
|
|
|
DO i = nmax, nmax2 |
|
|
Xprimt(i) = beta + ( grossism - beta ) * fhyp(i) |
|
|
ENDDO |
|
|
c |
|
|
DO i = nmax+1, nmax2 |
|
|
Xprimt( nmax2 - i ) = Xprimt( i ) |
|
|
ENDDO |
|
|
c |
|
| 158 |
|
|
| 159 |
c ..... Calcul de Xf ........ |
DO i = nmax, nmax2 |
| 160 |
|
Xprimt(i) = beta + (grossism - beta) * fhyp(i) |
| 161 |
|
ENDDO |
| 162 |
|
|
| 163 |
Xf(0) = - pi |
DO i = nmax + 1, nmax2 |
| 164 |
|
Xprimt(nmax2 - i) = Xprimt(i) |
| 165 |
|
ENDDO |
| 166 |
|
|
| 167 |
DO i = nmax +1, nmax2 |
! Calcul de Xf |
| 168 |
|
|
| 169 |
xmoy = 0.5 * ( xtild(i-1) + xtild( i ) ) |
Xf(0) = - pi |
|
fa = tau* ( dzoom/2. - xmoy ) |
|
|
fb = xmoy * ( pi - xmoy ) |
|
| 170 |
|
|
| 171 |
IF( 200.* fb .LT. - fa ) THEN |
DO i = nmax + 1, nmax2 |
| 172 |
fxm = - 1. |
xmoy = 0.5 * (xtild(i-1) + xtild(i)) |
| 173 |
ELSEIF( 200. * fb .LT. fa ) THEN |
fa = tau* (dzoom/2. - xmoy) |
| 174 |
fxm = 1. |
fb = xmoy * (pi - xmoy) |
| 175 |
|
|
| 176 |
|
IF (200.* fb .LT. - fa) THEN |
| 177 |
|
fxm = - 1. |
| 178 |
|
ELSEIF (200. * fb .LT. fa) THEN |
| 179 |
|
fxm = 1. |
| 180 |
ELSE |
ELSE |
| 181 |
fxm = TANH ( fa/fb ) |
fxm = TANH (fa/fb) |
| 182 |
ENDIF |
ENDIF |
| 183 |
|
|
| 184 |
IF ( xmoy.EQ. 0. ) fxm = 1. |
IF (xmoy == 0.) fxm = 1. |
| 185 |
IF ( xmoy.EQ. pi ) fxm = -1. |
IF (xmoy == pi) fxm = -1. |
| 186 |
xxpr(i) = beta + ( grossism - beta ) * fxm |
xxpr(i) = beta + (grossism - beta) * fxm |
| 187 |
|
ENDDO |
| 188 |
ENDDO |
|
| 189 |
|
DO i = nmax + 1, nmax2 |
| 190 |
|
xxpr(nmax2-i + 1) = xxpr(i) |
| 191 |
|
ENDDO |
| 192 |
|
|
| 193 |
|
DO i=1, nmax2 |
| 194 |
|
Xf(i) = Xf(i-1) + xxpr(i) * (xtild(i) - xtild(i-1)) |
| 195 |
|
ENDDO |
| 196 |
|
|
| 197 |
|
! xuv = 0. si calcul aux pts scalaires |
| 198 |
|
! xuv = 0.5 si calcul aux pts U |
| 199 |
|
|
| 200 |
|
print * |
| 201 |
|
|
| 202 |
|
DO ik = 1, 4 |
| 203 |
|
IF (ik == 1) THEN |
| 204 |
|
xuv = -0.25 |
| 205 |
|
ELSE IF (ik == 2) THEN |
| 206 |
|
xuv = 0. |
| 207 |
|
ELSE IF (ik == 3) THEN |
| 208 |
|
xuv = 0.50 |
| 209 |
|
ELSE IF (ik == 4) THEN |
| 210 |
|
xuv = 0.25 |
| 211 |
|
ENDIF |
| 212 |
|
|
| 213 |
DO i = nmax+1, nmax2 |
xo1 = 0. |
|
xxpr(nmax2-i+1) = xxpr(i) |
|
|
ENDDO |
|
| 214 |
|
|
| 215 |
DO i=1,nmax2 |
ii1=1 |
| 216 |
Xf(i) = Xf(i-1) + xxpr(i) * ( xtild(i) - xtild(i-1) ) |
ii2=iim |
| 217 |
ENDDO |
IF (ik == 1.and.grossism == 1.) THEN |
| 218 |
|
ii1 = 2 |
| 219 |
|
ii2 = iim + 1 |
|
c ***************************************************************** |
|
|
c |
|
|
|
|
|
c ..... xuv = 0. si calcul aux pts scalaires ........ |
|
|
c ..... xuv = 0.5 si calcul aux pts U ........ |
|
|
c |
|
|
WRITE(6,18) |
|
|
c |
|
|
DO 5000 ik = 1, 4 |
|
|
|
|
|
IF( ik.EQ.1 ) THEN |
|
|
xuv = -0.25 |
|
|
ELSE IF ( ik.EQ.2 ) THEN |
|
|
xuv = 0. |
|
|
ELSE IF ( ik.EQ.3 ) THEN |
|
|
xuv = 0.50 |
|
|
ELSE IF ( ik.EQ.4 ) THEN |
|
|
xuv = 0.25 |
|
| 220 |
ENDIF |
ENDIF |
| 221 |
|
|
| 222 |
xo1 = 0. |
DO i = ii1, ii2 |
| 223 |
|
xlon2 = - pi + (FLOAT(i) + xuv - decalx) * depi / FLOAT(iim) |
| 224 |
|
Xfi = xlon2 |
| 225 |
|
|
| 226 |
|
it = nmax2 |
| 227 |
|
do while (xfi < xf(it) .and. it >= 1) |
| 228 |
|
it = it - 1 |
| 229 |
|
end do |
| 230 |
|
|
| 231 |
|
! Calcul de Xf(xi) |
| 232 |
|
|
| 233 |
|
xi = xtild(it) |
| 234 |
|
|
| 235 |
|
IF (it == nmax2) THEN |
| 236 |
|
it = nmax2 -1 |
| 237 |
|
Xf(it + 1) = pi |
| 238 |
|
ENDIF |
| 239 |
|
|
| 240 |
ii1=1 |
! Appel de la routine qui calcule les coefficients a0, a1, |
| 241 |
ii2=iim |
! a2, a3 d'un polynome de degre 3 qui passe par les points |
| 242 |
IF(ik.EQ.1.and.grossism.EQ.1.) THEN |
! (Xf(it), xtild(it)) et (Xf(it + 1), xtild(it + 1)) |
| 243 |
ii1 = 2 |
|
| 244 |
ii2 = iim+1 |
CALL coefpoly(Xf(it), Xf(it + 1), Xprimt(it), Xprimt(it + 1), & |
| 245 |
ENDIF |
xtild(it), xtild(it + 1), a0, a1, a2, a3) |
| 246 |
DO 1500 i = ii1, ii2 |
|
| 247 |
|
Xf1 = Xf(it) |
| 248 |
xlon2 = - pi + (FLOAT(i) + xuv - decalx) * depi / FLOAT(iim) |
Xprimin = a1 + 2.* a2 * xi + 3.*a3 * xi *xi |
| 249 |
|
|
| 250 |
Xfi = xlon2 |
iter = 1 |
| 251 |
c |
|
| 252 |
DO 250 it = nmax2,0,-1 |
do |
| 253 |
IF( Xfi.GE.Xf(it)) GO TO 350 |
xi = xi - (Xf1 - Xfi)/ Xprimin |
| 254 |
250 CONTINUE |
IF (ABS(xi - xo1) <= epsilon .or. iter == 300) exit |
| 255 |
|
xo1 = xi |
| 256 |
it = 0 |
xi2 = xi * xi |
| 257 |
|
Xf1 = a0 + a1 * xi + a2 * xi2 + a3 * xi2 * xi |
| 258 |
350 CONTINUE |
Xprimin = a1 + 2.* a2 * xi + 3.* a3 * xi2 |
| 259 |
|
end DO |
| 260 |
c ...... Calcul de Xf(xi) ...... |
|
| 261 |
c |
if (ABS(xi - xo1) > epsilon) then |
| 262 |
xi = xtild(it) |
! iter == 300 |
| 263 |
|
print *, 'Pas de solution.' |
| 264 |
IF(it.EQ.nmax2) THEN |
print *, i, xlon2 |
| 265 |
it = nmax2 -1 |
STOP 1 |
| 266 |
Xf(it+1) = pi |
end if |
| 267 |
ENDIF |
|
| 268 |
c ..................................................................... |
|
| 269 |
c |
xxprim(i) = depi/ (FLOAT(iim) * Xprimin) |
| 270 |
c Appel de la routine qui calcule les coefficients a0,a1,a2,a3 d'un |
xvrai(i) = xi + xzoom |
| 271 |
c polynome de degre 3 qui passe par les points (Xf(it),xtild(it) ) |
end DO |
| 272 |
c et (Xf(it+1),xtild(it+1) ) |
|
| 273 |
|
IF (ik == 1.and.grossism == 1.) THEN |
| 274 |
CALL coefpoly ( Xf(it),Xf(it+1),Xprimt(it),Xprimt(it+1), |
xvrai(1) = xvrai(iip1)-depi |
| 275 |
, xtild(it),xtild(it+1), a0, a1, a2, a3 ) |
xxprim(1) = xxprim(iip1) |
|
|
|
|
Xf1 = Xf(it) |
|
|
Xprimin = a1 + 2.* a2 * xi + 3.*a3 * xi *xi |
|
|
|
|
|
DO 500 iter = 1,300 |
|
|
xi = xi - ( Xf1 - Xfi )/ Xprimin |
|
|
|
|
|
IF( ABS(xi-xo1).LE.epsilon) GO TO 550 |
|
|
xo1 = xi |
|
|
xi2 = xi * xi |
|
|
Xf1 = a0 + a1 * xi + a2 * xi2 + a3 * xi2 * xi |
|
|
Xprimin = a1 + 2.* a2 * xi + 3.* a3 * xi2 |
|
|
500 CONTINUE |
|
|
WRITE(6,*) ' Pas de solution ***** ',i,xlon2,iter |
|
|
STOP 6 |
|
|
550 CONTINUE |
|
|
|
|
|
xxprim(i) = depi/ ( FLOAT(iim) * Xprimin ) |
|
|
xvrai(i) = xi + xzoom |
|
|
|
|
|
1500 CONTINUE |
|
|
|
|
|
|
|
|
IF(ik.EQ.1.and.grossism.EQ.1.) THEN |
|
|
xvrai(1) = xvrai(iip1)-depi |
|
|
xxprim(1) = xxprim(iip1) |
|
| 276 |
ENDIF |
ENDIF |
| 277 |
DO i = 1 , iim |
DO i = 1, iim |
| 278 |
xlon(i) = xvrai(i) |
xlon(i) = xvrai(i) |
| 279 |
xprimm(i) = xxprim(i) |
xprimm(i) = xxprim(i) |
| 280 |
ENDDO |
ENDDO |
| 281 |
DO i = 1, iim -1 |
DO i = 1, iim -1 |
| 282 |
IF( xvrai(i+1). LT. xvrai(i) ) THEN |
IF (xvrai(i + 1).LT. xvrai(i)) THEN |
| 283 |
WRITE(6,*) ' PBS. avec rlonu(',i+1,') plus petit que rlonu(',i, |
print *, 'Problème avec rlonu(', i + 1, & |
| 284 |
, ')' |
') plus petit que rlonu(', i, ')' |
| 285 |
STOP 7 |
STOP 1 |
| 286 |
ENDIF |
ENDIF |
| 287 |
ENDDO |
ENDDO |
|
c |
|
|
c ... Reorganisation des longitudes pour les avoir entre - pi et pi .. |
|
|
c ........................................................................ |
|
| 288 |
|
|
| 289 |
champmin = 1.e12 |
! Reorganisation des longitudes pour les avoir entre - pi et pi |
| 290 |
|
|
| 291 |
|
champmin = 1.e12 |
| 292 |
champmax = -1.e12 |
champmax = -1.e12 |
| 293 |
DO i = 1, iim |
DO i = 1, iim |
| 294 |
champmin = MIN( champmin,xvrai(i) ) |
champmin = MIN(champmin, xvrai(i)) |
| 295 |
champmax = MAX( champmax,xvrai(i) ) |
champmax = MAX(champmax, xvrai(i)) |
| 296 |
ENDDO |
ENDDO |
| 297 |
|
|
| 298 |
IF(champmin .GE.-pi-0.10.and.champmax.LE.pi+0.10 ) THEN |
IF (.not. (champmin >= -pi-0.10.and.champmax <= pi + 0.10)) THEN |
| 299 |
GO TO 1600 |
print *, 'Reorganisation des longitudes pour avoir entre - pi', & |
| 300 |
ELSE |
' et pi ' |
| 301 |
WRITE(6,*) 'Reorganisation des longitudes pour avoir entre - pi', |
|
| 302 |
, ' et pi ' |
IF (xzoom <= 0.) THEN |
| 303 |
c |
IF (ik == 1) THEN |
| 304 |
IF( xzoom.LE.0.) THEN |
i = 1 |
| 305 |
IF( ik.EQ. 1 ) THEN |
|
| 306 |
DO i = 1, iim |
do while (xvrai(i) < - pi .and. i < iim) |
| 307 |
IF( xvrai(i).GE. - pi ) GO TO 80 |
i = i + 1 |
| 308 |
ENDDO |
end do |
| 309 |
WRITE(6,*) ' PBS. 1 ! Xvrai plus petit que - pi ! ' |
|
| 310 |
STOP 8 |
if (xvrai(i) < - pi) then |
| 311 |
80 CONTINUE |
print *, ' PBS. 1 ! Xvrai plus petit que - pi ! ' |
| 312 |
is2 = i |
STOP 1 |
| 313 |
|
end if |
| 314 |
|
|
| 315 |
|
is2 = i |
| 316 |
|
ENDIF |
| 317 |
|
|
| 318 |
|
IF (is2.NE. 1) THEN |
| 319 |
|
DO ii = is2, iim |
| 320 |
|
xlon (ii-is2 + 1) = xvrai(ii) |
| 321 |
|
xprimm(ii-is2 + 1) = xxprim(ii) |
| 322 |
|
ENDDO |
| 323 |
|
DO ii = 1, is2 -1 |
| 324 |
|
xlon (ii + iim-is2 + 1) = xvrai(ii) + depi |
| 325 |
|
xprimm(ii + iim-is2 + 1) = xxprim(ii) |
| 326 |
|
ENDDO |
| 327 |
|
ENDIF |
| 328 |
|
ELSE |
| 329 |
|
IF (ik == 1) THEN |
| 330 |
|
i = iim |
| 331 |
|
|
| 332 |
|
do while (xvrai(i) > pi .and. i > 1) |
| 333 |
|
i = i - 1 |
| 334 |
|
end do |
| 335 |
|
|
| 336 |
|
if (xvrai(i) > pi) then |
| 337 |
|
print *, ' PBS. 2 ! Xvrai plus grand que pi ! ' |
| 338 |
|
STOP 1 |
| 339 |
|
end if |
| 340 |
|
|
| 341 |
|
is2 = i |
| 342 |
|
ENDIF |
| 343 |
|
idif = iim -is2 |
| 344 |
|
DO ii = 1, is2 |
| 345 |
|
xlon (ii + idif) = xvrai(ii) |
| 346 |
|
xprimm(ii + idif) = xxprim(ii) |
| 347 |
|
ENDDO |
| 348 |
|
DO ii = 1, idif |
| 349 |
|
xlon (ii) = xvrai (ii + is2) - depi |
| 350 |
|
xprimm(ii) = xxprim(ii + is2) |
| 351 |
|
ENDDO |
| 352 |
ENDIF |
ENDIF |
| 353 |
|
ENDIF |
| 354 |
|
|
| 355 |
IF( is2.NE. 1 ) THEN |
! Fin de la reorganisation |
| 356 |
DO ii = is2 , iim |
|
| 357 |
xlon (ii-is2+1) = xvrai(ii) |
xlon (iip1) = xlon(1) + depi |
| 358 |
xprimm(ii-is2+1) = xxprim(ii) |
xprimm(iip1) = xprimm (1) |
| 359 |
ENDDO |
|
| 360 |
DO ii = 1 , is2 -1 |
DO i = 1, iim + 1 |
| 361 |
xlon (ii+iim-is2+1) = xvrai(ii) + depi |
xvrai(i) = xlon(i)*180./pi |
| 362 |
xprimm(ii+iim-is2+1) = xxprim(ii) |
ENDDO |
| 363 |
ENDDO |
|
| 364 |
ENDIF |
IF (ik == 1) THEN |
| 365 |
ELSE |
DO i = 1, iim + 1 |
| 366 |
IF( ik.EQ.1 ) THEN |
rlonm025(i) = xlon(i) |
| 367 |
DO i = iim,1,-1 |
xprimm025(i) = xprimm(i) |
| 368 |
IF( xvrai(i).LE. pi ) GO TO 90 |
ENDDO |
| 369 |
ENDDO |
ELSE IF (ik == 2) THEN |
| 370 |
WRITE(6,*) ' PBS. 2 ! Xvrai plus grand que pi ! ' |
DO i = 1, iim + 1 |
| 371 |
STOP 9 |
rlonv(i) = xlon(i) |
| 372 |
90 CONTINUE |
xprimv(i) = xprimm(i) |
| 373 |
is2 = i |
ENDDO |
| 374 |
ENDIF |
ELSE IF (ik == 3) THEN |
| 375 |
idif = iim -is2 |
DO i = 1, iim + 1 |
| 376 |
DO ii = 1, is2 |
rlonu(i) = xlon(i) |
| 377 |
xlon (ii+idif) = xvrai(ii) |
xprimu(i) = xprimm(i) |
| 378 |
xprimm(ii+idif) = xxprim(ii) |
ENDDO |
| 379 |
ENDDO |
ELSE IF (ik == 4) THEN |
| 380 |
DO ii = 1, idif |
DO i = 1, iim + 1 |
| 381 |
xlon (ii) = xvrai (ii+is2) - depi |
rlonp025(i) = xlon(i) |
| 382 |
xprimm(ii) = xxprim(ii+is2) |
xprimp025(i) = xprimm(i) |
| 383 |
ENDDO |
ENDDO |
| 384 |
ENDIF |
ENDIF |
| 385 |
ENDIF |
end DO |
| 386 |
c |
|
| 387 |
c ......... Fin de la reorganisation ............................ |
print * |
| 388 |
|
|
| 389 |
1600 CONTINUE |
DO i = 1, iim |
| 390 |
|
xlon(i) = rlonv(i + 1) - rlonv(i) |
| 391 |
|
ENDDO |
| 392 |
xlon ( iip1) = xlon(1) + depi |
champmin = 1.e12 |
| 393 |
xprimm( iip1 ) = xprimm (1 ) |
champmax = -1.e12 |
| 394 |
|
DO i = 1, iim |
| 395 |
DO i = 1, iim+1 |
champmin = MIN(champmin, xlon(i)) |
| 396 |
xvrai(i) = xlon(i)*180./pi |
champmax = MAX(champmax, xlon(i)) |
| 397 |
ENDDO |
ENDDO |
| 398 |
|
champmin = champmin * 180./pi |
| 399 |
IF( ik.EQ.1 ) THEN |
champmax = champmax * 180./pi |
| 400 |
c WRITE(6,*) ' XLON aux pts. V-0.25 apres ( en deg. ) ' |
|
| 401 |
c WRITE(6,18) |
END SUBROUTINE fxhyp |
|
c WRITE(6,68) xvrai |
|
|
c WRITE(6,*) ' XPRIM k ',ik |
|
|
c WRITE(6,566) xprimm |
|
|
|
|
|
DO i = 1,iim +1 |
|
|
rlonm025(i) = xlon( i ) |
|
|
xprimm025(i) = xprimm(i) |
|
|
ENDDO |
|
|
ELSE IF( ik.EQ.2 ) THEN |
|
|
c WRITE(6,18) |
|
|
c WRITE(6,*) ' XLON aux pts. V apres ( en deg. ) ' |
|
|
c WRITE(6,68) xvrai |
|
|
c WRITE(6,*) ' XPRIM k ',ik |
|
|
c WRITE(6,566) xprimm |
|
|
|
|
|
DO i = 1,iim + 1 |
|
|
rlonv(i) = xlon( i ) |
|
|
xprimv(i) = xprimm(i) |
|
|
ENDDO |
|
|
|
|
|
ELSE IF( ik.EQ.3) THEN |
|
|
c WRITE(6,18) |
|
|
c WRITE(6,*) ' XLON aux pts. U apres ( en deg. ) ' |
|
|
c WRITE(6,68) xvrai |
|
|
c WRITE(6,*) ' XPRIM ik ',ik |
|
|
c WRITE(6,566) xprimm |
|
|
|
|
|
DO i = 1,iim + 1 |
|
|
rlonu(i) = xlon( i ) |
|
|
xprimu(i) = xprimm(i) |
|
|
ENDDO |
|
|
|
|
|
ELSE IF( ik.EQ.4 ) THEN |
|
|
c WRITE(6,18) |
|
|
c WRITE(6,*) ' XLON aux pts. V+0.25 apres ( en deg. ) ' |
|
|
c WRITE(6,68) xvrai |
|
|
c WRITE(6,*) ' XPRIM ik ',ik |
|
|
c WRITE(6,566) xprimm |
|
|
|
|
|
DO i = 1,iim + 1 |
|
|
rlonp025(i) = xlon( i ) |
|
|
xprimp025(i) = xprimm(i) |
|
|
ENDDO |
|
|
|
|
|
ENDIF |
|
|
|
|
|
5000 CONTINUE |
|
|
c |
|
|
WRITE(6,18) |
|
|
c |
|
|
c ........... fin de la boucle do 5000 ............ |
|
|
|
|
|
DO i = 1, iim |
|
|
xlon(i) = rlonv(i+1) - rlonv(i) |
|
|
ENDDO |
|
|
champmin = 1.e12 |
|
|
champmax = -1.e12 |
|
|
DO i = 1, iim |
|
|
champmin = MIN( champmin, xlon(i) ) |
|
|
champmax = MAX( champmax, xlon(i) ) |
|
|
ENDDO |
|
|
champmin = champmin * 180./pi |
|
|
champmax = champmax * 180./pi |
|
|
|
|
|
18 FORMAT(/) |
|
|
24 FORMAT(2x,'Parametres xzoom,gross,tau ,dzoom pour fxhyp ',4f8.3) |
|
|
68 FORMAT(1x,7f9.2) |
|
|
566 FORMAT(1x,7f9.4) |
|
| 402 |
|
|
| 403 |
RETURN |
end module fxhyp_m |
|
END |
|
Parent Directory
| 
Revision Log
| 
Patch