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! $Header: /home/cvsroot/LMDZ4/libf/dyn3d/fxysinus.F,v 1.1.1.1 2004/05/19 12:53:06 lmdzadmin Exp $ |
! $Header: /home/cvsroot/LMDZ4/libf/dyn3d/fxysinus.F,v 1.1.1.1 2004/05/19 |
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! |
! 12:53:06 lmdzadmin Exp $ |
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SUBROUTINE fxysinus (rlatu,yprimu,rlatv,yprimv,rlatu1,yprimu1, |
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, rlatu2,yprimu2, |
SUBROUTINE fxysinus(rlatu, yprimu, rlatv, yprimv, rlatu1, yprimu1, rlatu2, & |
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, rlonu,xprimu,rlonv,xprimv,rlonm025,xprimm025,rlonp025,xprimp025) |
yprimu2, rlonu, xprimu, rlonv, xprimv, rlonm025, xprimm025, rlonp025, & |
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xprimp025) |
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use dimens_m |
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use paramet_m |
USE dimens_m |
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use comconst |
USE paramet_m |
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use nr_util, only: pi |
USE comconst |
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IMPLICIT NONE |
USE nr_util, ONLY: pi |
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c |
IMPLICIT NONE |
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c Calcul des longitudes et des latitudes pour une fonction f(x,y) |
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c avec y = Asin( j ) . |
! Calcul des longitudes et des latitudes pour une fonction f(x,y) |
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c |
! avec y = Asin( j ) . |
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c Auteur : P. Le Van |
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c |
! Auteur : P. Le Van |
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c |
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INTEGER i,j |
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INTEGER i, j |
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REAL rlatu(jjp1), yprimu(jjp1),rlatv(jjm), yprimv(jjm), |
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, rlatu1(jjm), yprimu1(jjm), rlatu2(jjm), yprimu2(jjm) |
REAL rlatu(jjp1), yprimu(jjp1), rlatv(jjm), yprimv(jjm), rlatu1(jjm), & |
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REAL rlonu(iip1),xprimu(iip1),rlonv(iip1),xprimv(iip1), |
yprimu1(jjm), rlatu2(jjm), yprimu2(jjm) |
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, rlonm025(iip1),xprimm025(iip1), rlonp025(iip1),xprimp025(iip1) |
REAL rlonu(iip1), xprimu(iip1), rlonv(iip1), xprimv(iip1), rlonm025(iip1), & |
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xprimm025(iip1), rlonp025(iip1), xprimp025(iip1) |
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! |
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! $Header: /home/cvsroot/LMDZ4/libf/grid/fxy_sin.h,v 1.1.1.1 2004/05/19 12:53:05 lmdzadmin Exp $ |
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! |
! $Header: /home/cvsroot/LMDZ4/libf/grid/fxy_sin.h,v 1.1.1.1 2004/05/19 |
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c----------------------------------------------------------------------- |
! 12:53:05 lmdzadmin Exp $ |
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c INCLUDE 'fxyprim.h' |
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c |
! ----------------------------------------------------------------------- |
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c ................................................................ |
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c ................ Fonctions in line ........................... |
! ................................................................ |
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c ................................................................ |
! ................ Fonctions in line ........................... |
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c |
! ................................................................ |
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REAL fy, fx, fxprim, fyprim |
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REAL ri, rj |
REAL fy, fx, fxprim, fyprim |
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c |
REAL ri, rj |
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c |
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fy(rj)=ASIN(1.+2.*((1.-rj)/FLOAT(jjm))) |
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fyprim(rj)=1./SQRT((rj-1.)*(jjm+1.-rj)) |
fy(rj) = asin(1.+2.*((1.-rj)/float(jjm))) |
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fyprim(rj) = 1./sqrt((rj-1.)*(jjm+1.-rj)) |
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fx ( ri ) = 2.*pi/FLOAT(iim) * ( ri - 0.5* FLOAT(iim) - 1. ) |
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c fx ( ri ) = 2.*pi/FLOAT(iim) * ( ri - 0.5* ( FLOAT(iim) + 1.) ) |
fx(ri) = 2.*pi/float(iim)*(ri-0.5*float(iim)-1.) |
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fxprim( ri ) = 2.*pi/FLOAT(iim) |
! fx ( ri ) = 2.*pi/FLOAT(iim) * ( ri - 0.5* ( FLOAT(iim) + 1.) ) |
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c |
fxprim(ri) = 2.*pi/float(iim) |
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c |
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c La valeur de pi est passee par le common/const/ou /const2/ . |
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c Sinon, il faut la calculer avant d'appeler ces fonctions . |
! La valeur de pi est passee par le common/const/ou /const2/ . |
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c |
! Sinon, il faut la calculer avant d'appeler ces fonctions . |
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c ---------------------------------------------------------------- |
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c Fonctions a changer eventuellement, selon x(x) et y(y) choisis . |
! ---------------------------------------------------------------- |
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c ----------------------------------------------------------------- |
! Fonctions a changer eventuellement, selon x(x) et y(y) choisis . |
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c |
! ----------------------------------------------------------------- |
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c ..... ici, on a l'application particuliere suivante ........ |
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c |
! ..... ici, on a l'application particuliere suivante ........ |
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c ************************************** |
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c ** x = 2. * pi/iim * X ** |
! ************************************** |
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c ** y = pi/jjm * Y ** |
! ** x = 2. * pi/iim * X ** |
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c ************************************** |
! ** y = pi/jjm * Y ** |
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c |
! ************************************** |
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c .................................................................. |
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c .................................................................. |
! .................................................................. |
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c |
! .................................................................. |
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c |
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c |
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c----------------------------------------------------------------------- |
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! ----------------------------------------------------------------------- |
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c ...... calcul des latitudes et de y' ..... |
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c |
! ...... calcul des latitudes et de y' ..... |
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DO j = 1, jjm + 1 |
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rlatu(j) = fy ( FLOAT( j ) ) |
DO j = 1, jjm + 1 |
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yprimu(j) = fyprim( FLOAT( j ) ) |
rlatu(j) = fy(float(j)) |
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ENDDO |
yprimu(j) = fyprim(float(j)) |
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END DO |
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DO j = 1, jjm |
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DO j = 1, jjm |
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rlatv(j) = fy ( FLOAT( j ) + 0.5 ) |
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rlatu1(j) = fy ( FLOAT( j ) + 0.25 ) |
rlatv(j) = fy(float(j)+0.5) |
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rlatu2(j) = fy ( FLOAT( j ) + 0.75 ) |
rlatu1(j) = fy(float(j)+0.25) |
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rlatu2(j) = fy(float(j)+0.75) |
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yprimv(j) = fyprim( FLOAT( j ) + 0.5 ) |
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yprimu1(j) = fyprim( FLOAT( j ) + 0.25 ) |
yprimv(j) = fyprim(float(j)+0.5) |
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yprimu2(j) = fyprim( FLOAT( j ) + 0.75 ) |
yprimu1(j) = fyprim(float(j)+0.25) |
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yprimu2(j) = fyprim(float(j)+0.75) |
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ENDDO |
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END DO |
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c |
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c ..... calcul des longitudes et de x' ..... |
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c |
! ..... calcul des longitudes et de x' ..... |
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DO i = 1, iim + 1 |
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rlonv(i) = fx ( FLOAT( i ) ) |
DO i = 1, iim + 1 |
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rlonu(i) = fx ( FLOAT( i ) + 0.5 ) |
rlonv(i) = fx(float(i)) |
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rlonm025(i) = fx ( FLOAT( i ) - 0.25 ) |
rlonu(i) = fx(float(i)+0.5) |
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rlonp025(i) = fx ( FLOAT( i ) + 0.25 ) |
rlonm025(i) = fx(float(i)-0.25) |
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rlonp025(i) = fx(float(i)+0.25) |
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xprimv (i) = fxprim ( FLOAT( i ) ) |
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xprimu (i) = fxprim ( FLOAT( i ) + 0.5 ) |
xprimv(i) = fxprim(float(i)) |
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xprimm025(i) = fxprim ( FLOAT( i ) - 0.25 ) |
xprimu(i) = fxprim(float(i)+0.5) |
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xprimp025(i) = fxprim ( FLOAT( i ) + 0.25 ) |
xprimm025(i) = fxprim(float(i)-0.25) |
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ENDDO |
xprimp025(i) = fxprim(float(i)+0.25) |
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END DO |
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c |
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RETURN |
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END |
RETURN |
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END SUBROUTINE fxysinus |
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