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contains |
contains |
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SUBROUTINE fyhyp(yzoomdeg, grossism, dzooma, tau, rrlatu, yyprimu, rrlatv, & |
SUBROUTINE fyhyp(rlatu, rlatv, rlatu2, yprimu2, rlatu1, yprimu1) |
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yyprimv, rlatu2, yprimu2, rlatu1, yprimu1, champmin, champmax) |
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! From LMDZ4/libf/dyn3d/fyhyp.F, version 1.2, 2005/06/03 09:11:32 |
! From LMDZ4/libf/dyn3d/fyhyp.F, version 1.2, 2005/06/03 09:11:32 |
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! Author: P. Le Van, from analysis by R. Sadourny |
! Author: P. Le Van, from analysis by R. Sadourny |
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! Calcule les latitudes et dérivées dans la grille du GCM pour une |
! Calcule les latitudes et dérivées dans la grille du GCM pour une |
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! fonction f(y) à tangente hyperbolique. |
! fonction f(y) à dérivée tangente hyperbolique. |
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! Nota bene : il vaut mieux avoir grossism * dzoom < pi / 2 (rad), |
! Il vaut mieux avoir : grossismy * dzoom < pi / 2 |
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! en latitude. |
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use coefpoly_m, only: coefpoly, a0, a1, a2, a3 |
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USE dimens_m, only: jjm |
USE dimens_m, only: jjm |
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USE paramet_m, only: JJP1 |
use dynetat0_m, only: clat, grossismy, dzoomy, tauy |
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use heavyside_m, only: heavyside |
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REAL, intent(in):: yzoomdeg |
REAL, intent(out):: rlatu(:) ! (jjm + 1) |
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REAL, intent(out):: rlatv(:) ! (jjm) |
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REAL, intent(in):: grossism |
real, intent(out):: rlatu2(:), yprimu2(:), rlatu1(:), yprimu1(:) ! (jjm) |
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! grossissement (= 2 si 2 fois, = 3 si 3 fois, etc.) |
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REAL, intent(in):: dzooma |
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REAL, intent(in):: tau |
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! raideur de la transition de l'intérieur à l'extérieur du zoom |
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! arguments de sortie |
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REAL rrlatu(jjp1), yyprimu(jjp1), rrlatv(jjm), yyprimv(jjm) |
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real rlatu2(jjm), yprimu2(jjm), rlatu1(jjm), yprimu1(jjm) |
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DOUBLE PRECISION champmin, champmax |
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! Local: |
! Local: |
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INTEGER, PARAMETER:: nmax=30000, nmax2=2*nmax |
INTEGER, PARAMETER:: nmax=30000, nmax2=2*nmax |
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REAL dzoom ! distance totale de la zone du zoom (en radians) |
REAL dzoom ! distance totale de la zone du zoom (en radians) |
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DOUBLE PRECISION ylat(jjp1), yprim(jjp1) |
DOUBLE PRECISION ylat(jjm + 1), yprim(jjm + 1) |
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DOUBLE PRECISION yuv |
DOUBLE PRECISION yuv |
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DOUBLE PRECISION, save:: yt(0:nmax2) |
DOUBLE PRECISION, save:: yt(0:nmax2) |
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DOUBLE PRECISION fhyp(0:nmax2), beta |
DOUBLE PRECISION fhyp(0:nmax2), beta |
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DOUBLE PRECISION fxm(0:nmax2) |
DOUBLE PRECISION fxm(0:nmax2) |
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DOUBLE PRECISION, save:: yf(0:nmax2) |
DOUBLE PRECISION, save:: yf(0:nmax2) |
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DOUBLE PRECISION yypr(0:nmax2) |
DOUBLE PRECISION yypr(0:nmax2) |
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DOUBLE PRECISION yvrai(jjp1), yprimm(jjp1), ylatt(jjp1) |
DOUBLE PRECISION yvrai(jjm + 1), yprimm(jjm + 1), ylatt(jjm + 1) |
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DOUBLE PRECISION pi, pis2, epsilon, y0, pisjm |
DOUBLE PRECISION pi, pis2, epsilon, pisjm |
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DOUBLE PRECISION yo1, yi, ylon2, ymoy, yprimin |
DOUBLE PRECISION yo1, yi, ylon2, ymoy, yprimin |
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DOUBLE PRECISION yfi, yf1, ffdy |
DOUBLE PRECISION yfi, yf1, ffdy |
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DOUBLE PRECISION ypn, deply, y00 |
DOUBLE PRECISION ypn |
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SAVE y00, deply |
DOUBLE PRECISION, save::deply, y00 |
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INTEGER i, j, it, ik, iter, jlat |
INTEGER i, j, it, ik, iter, jlat, jjpn |
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INTEGER jpn, jjpn |
INTEGER, save:: jpn |
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SAVE jpn |
DOUBLE PRECISION yi2, heavyy0, heavyy0m |
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DOUBLE PRECISION a0, a1, a2, a3, yi2, heavyy0, heavyy0m |
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DOUBLE PRECISION fa(0:nmax2), fb(0:nmax2) |
DOUBLE PRECISION fa(0:nmax2), fb(0:nmax2) |
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REAL y0min, y0max |
REAL y0min, y0max |
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DOUBLE PRECISION heavyside |
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!------------------------------------------------------------------- |
!------------------------------------------------------------------- |
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print *, "Call sequence information: fyhyp" |
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pi = 2.*asin(1.) |
pi = 2.*asin(1.) |
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pis2 = pi/2. |
pis2 = pi/2. |
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pisjm = pi/real(jjm) |
pisjm = pi/real(jjm) |
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epsilon = 1e-3 |
epsilon = 1e-3 |
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y0 = yzoomdeg*pi/180. |
dzoom = dzoomy*pi |
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print *, 'yzoom(rad), grossismy, tauy, dzoom (rad):' |
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IF (dzooma<1.) THEN |
print *, clat, grossismy, tauy, dzoom |
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dzoom = dzooma*pi |
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ELSE IF (dzooma<12.) THEN |
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print *, "Le paramètre dzoomy pour fyhyp est trop petit. L'augmenter " & |
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// "et relancer." |
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STOP 1 |
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ELSE |
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dzoom = dzooma * pi/180. |
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END IF |
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print *, 'yzoom(rad), grossism, tau, dzoom (rad):' |
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print *, y0, grossism, tau, dzoom |
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DO i = 0, nmax2 |
DO i = 0, nmax2 |
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yt(i) = -pis2 + real(i)*pi/nmax2 |
yt(i) = -pis2 + real(i)*pi/nmax2 |
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END DO |
END DO |
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heavyy0m = heavyside(-y0) |
heavyy0m = heavyside(-clat) |
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heavyy0 = heavyside(y0) |
heavyy0 = heavyside(clat) |
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y0min = 2.*y0*heavyy0m - pis2 |
y0min = 2.*clat*heavyy0m - pis2 |
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y0max = 2.*y0*heavyy0 + pis2 |
y0max = 2.*clat*heavyy0 + pis2 |
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fa = 999.999 |
fa = 999.999 |
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fb = 999.999 |
fb = 999.999 |
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DO i = 0, nmax2 |
DO i = 0, nmax2 |
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IF (yt(i)<y0) THEN |
IF (yt(i)<clat) THEN |
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fa(i) = tau*(yt(i)-y0 + dzoom/2.) |
fa(i) = tauy*(yt(i)-clat + dzoom/2.) |
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fb(i) = (yt(i)-2.*y0*heavyy0m + pis2)*(y0-yt(i)) |
fb(i) = (yt(i)-2.*clat*heavyy0m + pis2)*(clat-yt(i)) |
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ELSE IF (yt(i)>y0) THEN |
ELSE IF (yt(i)>clat) THEN |
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fa(i) = tau*(y0-yt(i) + dzoom/2.) |
fa(i) = tauy*(clat-yt(i) + dzoom/2.) |
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fb(i) = (2.*y0*heavyy0-yt(i) + pis2)*(yt(i)-y0) |
fb(i) = (2.*clat*heavyy0-yt(i) + pis2)*(yt(i)-clat) |
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END IF |
END IF |
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IF (200.*fb(i)<-fa(i)) THEN |
IF (200.*fb(i)<-fa(i)) THEN |
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fhyp(i) = tanh(fa(i)/fb(i)) |
fhyp(i) = tanh(fa(i)/fb(i)) |
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END IF |
END IF |
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IF (yt(i)==y0) fhyp(i) = 1. |
IF (yt(i)==clat) fhyp(i) = 1. |
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IF (yt(i)==y0min .OR. yt(i)==y0max) fhyp(i) = -1. |
IF (yt(i)==y0min .OR. yt(i)==y0max) fhyp(i) = -1. |
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END DO |
END DO |
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DO i = 1, nmax2 |
DO i = 1, nmax2 |
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ymoy = 0.5*(yt(i-1) + yt(i)) |
ymoy = 0.5*(yt(i-1) + yt(i)) |
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IF (ymoy<y0) THEN |
IF (ymoy<clat) THEN |
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fa(i) = tau*(ymoy-y0 + dzoom/2.) |
fa(i) = tauy*(ymoy-clat + dzoom/2.) |
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fb(i) = (ymoy-2.*y0*heavyy0m + pis2)*(y0-ymoy) |
fb(i) = (ymoy-2.*clat*heavyy0m + pis2)*(clat-ymoy) |
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ELSE IF (ymoy>y0) THEN |
ELSE IF (ymoy>clat) THEN |
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fa(i) = tau*(y0-ymoy + dzoom/2.) |
fa(i) = tauy*(clat-ymoy + dzoom/2.) |
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fb(i) = (2.*y0*heavyy0-ymoy + pis2)*(ymoy-y0) |
fb(i) = (2.*clat*heavyy0-ymoy + pis2)*(ymoy-clat) |
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END IF |
END IF |
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IF (200.*fb(i)<-fa(i)) THEN |
IF (200.*fb(i)<-fa(i)) THEN |
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ELSE |
ELSE |
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fxm(i) = tanh(fa(i)/fb(i)) |
fxm(i) = tanh(fa(i)/fb(i)) |
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END IF |
END IF |
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IF (ymoy==y0) fxm(i) = 1. |
IF (ymoy==clat) fxm(i) = 1. |
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IF (ymoy==y0min .OR. yt(i)==y0max) fxm(i) = -1. |
IF (ymoy==y0min .OR. yt(i)==y0max) fxm(i) = -1. |
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ffdy = ffdy + fxm(i)*(yt(i)-yt(i-1)) |
ffdy = ffdy + fxm(i)*(yt(i)-yt(i-1)) |
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END DO |
END DO |
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beta = (grossism*ffdy-pi)/(ffdy-pi) |
beta = (grossismy*ffdy-pi)/(ffdy-pi) |
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IF (2. * beta - grossism <= 0.) THEN |
IF (2. * beta - grossismy <= 0.) THEN |
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print *, 'Attention ! La valeur beta calculee dans la routine fyhyp ' & |
print *, 'Attention ! La valeur beta calculee dans la routine fyhyp ' & |
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// 'est mauvaise. Modifier les valeurs de grossismy, tauy ou ' & |
// 'est mauvaise. Modifier les valeurs de grossismy, tauy ou ' & |
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// 'dzoomy et relancer.' |
// 'dzoomy et relancer.' |
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! calcul de Ytprim |
! calcul de Ytprim |
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DO i = 0, nmax2 |
DO i = 0, nmax2 |
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ytprim(i) = beta + (grossism-beta)*fhyp(i) |
ytprim(i) = beta + (grossismy-beta)*fhyp(i) |
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END DO |
END DO |
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! Calcul de Yf |
! Calcul de Yf |
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yf(0) = -pis2 |
yf(0) = -pis2 |
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DO i = 1, nmax2 |
DO i = 1, nmax2 |
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yypr(i) = beta + (grossism-beta)*fxm(i) |
yypr(i) = beta + (grossismy-beta)*fxm(i) |
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END DO |
END DO |
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DO i = 1, nmax2 |
DO i = 1, nmax2 |
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! et Y'(yi) |
! et Y'(yi) |
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CALL coefpoly(yf(it), yf(it + 1), ytprim(it), ytprim(it + 1), & |
CALL coefpoly(yf(it), yf(it + 1), ytprim(it), ytprim(it + 1), & |
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yt(it), yt(it + 1), a0, a1, a2, a3) |
yt(it), yt(it + 1)) |
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yf1 = yf(it) |
yf1 = yf(it) |
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yprimin = a1 + 2.*a2*yi + 3.*a3*yi*yi |
yprimin = a1 + 2.*a2*yi + 3.*a3*yi*yi |
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IF (ik==1) THEN |
IF (ik==1) THEN |
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ypn = pis2 |
ypn = pis2 |
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DO j = jlat, 1, -1 |
DO j = jjm + 1, 1, -1 |
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IF (yvrai(j)<=ypn) exit |
IF (yvrai(j)<=ypn) exit |
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END DO |
END DO |
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END DO |
END DO |
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IF (ik==1) THEN |
IF (ik==1) THEN |
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DO j = 1, jlat |
DO j = 1, jjm + 1 |
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rrlatu(j) = ylat(j) |
rlatu(j) = ylat(j) |
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yyprimu(j) = yprim(j) |
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END DO |
END DO |
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ELSE IF (ik==2) THEN |
ELSE IF (ik==2) THEN |
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DO j = 1, jlat |
DO j = 1, jjm |
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rrlatv(j) = ylat(j) |
rlatv(j) = ylat(j) |
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yyprimv(j) = yprim(j) |
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END DO |
END DO |
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ELSE IF (ik==3) THEN |
ELSE IF (ik==3) THEN |
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DO j = 1, jlat |
DO j = 1, jjm |
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rlatu2(j) = ylat(j) |
rlatu2(j) = ylat(j) |
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yprimu2(j) = yprim(j) |
yprimu2(j) = yprim(j) |
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END DO |
END DO |
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ELSE IF (ik==4) THEN |
ELSE IF (ik==4) THEN |
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DO j = 1, jlat |
DO j = 1, jjm |
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rlatu1(j) = ylat(j) |
rlatu1(j) = ylat(j) |
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yprimu1(j) = yprim(j) |
yprimu1(j) = yprim(j) |
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END DO |
END DO |
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END DO loop_ik |
END DO loop_ik |
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DO j = 1, jjm |
DO j = 1, jjm |
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ylat(j) = rrlatu(j) - rrlatu(j + 1) |
ylat(j) = rlatu(j) - rlatu(j + 1) |
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END DO |
END DO |
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champmin = 1e12 |
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champmax = -1e12 |
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DO j = 1, jjm |
DO j = 1, jjm |
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champmin = min(champmin, ylat(j)) |
IF (rlatu1(j) <= rlatu2(j)) THEN |
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champmax = max(champmax, ylat(j)) |
print *, 'Attention ! rlatu1 < rlatu2 ', rlatu1(j), rlatu2(j), j |
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END DO |
STOP 13 |
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champmin = champmin*180./pi |
ENDIF |
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champmax = champmax*180./pi |
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IF (rlatu2(j) <= rlatu(j+1)) THEN |
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print *, 'Attention ! rlatu2 < rlatup1 ', rlatu2(j), rlatu(j+1), j |
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STOP 14 |
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ENDIF |
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IF (rlatu(j) <= rlatu1(j)) THEN |
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print *, ' Attention ! rlatu < rlatu1 ', rlatu(j), rlatu1(j), j |
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STOP 15 |
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ENDIF |
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IF (rlatv(j) <= rlatu2(j)) THEN |
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print *, ' Attention ! rlatv < rlatu2 ', rlatv(j), rlatu2(j), j |
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STOP 16 |
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ENDIF |
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IF (rlatv(j) >= rlatu1(j)) THEN |
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print *, ' Attention ! rlatv > rlatu1 ', rlatv(j), rlatu1(j), j |
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STOP 17 |
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ENDIF |
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IF (rlatv(j) >= rlatu(j)) THEN |
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print *, ' Attention ! rlatv > rlatu ', rlatv(j), rlatu(j), j |
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STOP 18 |
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ENDIF |
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ENDDO |
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print *, 'Latitudes' |
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print 3, minval(ylat(:jjm)) *180d0/pi, maxval(ylat(:jjm))*180d0/pi |
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3 Format(1x, ' Au centre du zoom, la longueur de la maille est', & |
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' d environ ', f0.2, ' degres ', /, & |
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' alors que la maille en dehors de la zone du zoom est ', & |
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"d'environ ", f0.2, ' degres ') |
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END SUBROUTINE fyhyp |
END SUBROUTINE fyhyp |
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