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! On doit avoir grossismx \times dzoomx < pi (radians) |
! On doit avoir grossismx \times dzoomx < pi (radians) |
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17 |
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! Le premier point scalaire pour une grille regulière (grossismx = |
18 |
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! 1., taux=0., clon=0.) est à - 180 degrés. |
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20 |
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use coefpoly_m, only: coefpoly |
21 |
USE dimens_m, ONLY: iim |
USE dimens_m, ONLY: iim |
22 |
use nr_util, only: pi_d, twopi_d |
use nr_util, only: pi_d, twopi_d, arth |
23 |
use serre, only: clon, grossismx, dzoomx, taux |
use serre, only: clon, grossismx, dzoomx, taux |
24 |
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25 |
REAL, intent(out):: xprimm025(:), rlonv(:), xprimv(:) ! (iim + 1) |
REAL, intent(out):: xprimm025(:), rlonv(:), xprimv(:) ! (iim + 1) |
29 |
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30 |
DOUBLE PRECISION champmin, champmax |
DOUBLE PRECISION champmin, champmax |
31 |
real rlonm025(iim + 1), rlonp025(iim + 1) |
real rlonm025(iim + 1), rlonp025(iim + 1) |
32 |
INTEGER, PARAMETER:: nmax = 30000, nmax2 = 2*nmax |
INTEGER, PARAMETER:: nmax = 30000, nmax2 = 2 * nmax |
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LOGICAL, PARAMETER:: scal180 = .TRUE. |
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! scal180 = .TRUE. si on veut avoir le premier point scalaire pour |
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! une grille reguliere (grossismx = 1., taux=0., clon=0.) a |
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! -180. degres. sinon scal180 = .FALSE. |
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33 |
REAL dzoom |
REAL dzoom |
34 |
DOUBLE PRECISION xlon(iim + 1), xprimm(iim + 1), xuv |
DOUBLE PRECISION xlon(iim + 1), xprimm(iim + 1), xuv |
35 |
DOUBLE PRECISION xtild(0:nmax2) |
DOUBLE PRECISION xtild(0:nmax2) |
36 |
DOUBLE PRECISION fhyp(0:nmax2), ffdx, beta, Xprimt(0:nmax2) |
DOUBLE PRECISION fhyp(nmax:nmax2), ffdx, beta, Xprimt(0:nmax2) |
37 |
DOUBLE PRECISION Xf(0:nmax2), xxpr(0:nmax2) |
DOUBLE PRECISION Xf(0:nmax2), xxpr(nmax2) |
38 |
DOUBLE PRECISION xvrai(iim + 1), xxprim(iim + 1) |
DOUBLE PRECISION xvrai(iim + 1), xxprim(iim + 1) |
39 |
DOUBLE PRECISION my_eps, xzoom, fa, fb |
DOUBLE PRECISION my_eps, xzoom, fa, fb |
40 |
DOUBLE PRECISION Xf1, Xfi, a0, a1, a2, a3, xi2 |
DOUBLE PRECISION Xf1, Xfi, a0, a1, a2, a3, xi2 |
41 |
INTEGER i, it, ik, iter, ii, idif, ii1, ii2 |
INTEGER i, it, ik, iter, ii, idif, ii1, ii2 |
42 |
DOUBLE PRECISION xi, xo1, xmoy, xlon2, fxm, Xprimin |
DOUBLE PRECISION xi, xo1, xmoy, fxm, Xprimin |
43 |
DOUBLE PRECISION decalx |
DOUBLE PRECISION decalx |
44 |
INTEGER, save:: is2 |
INTEGER is2 |
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46 |
!---------------------------------------------------------------------- |
!---------------------------------------------------------------------- |
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48 |
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print *, "Call sequence information: fxhyp" |
49 |
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50 |
my_eps = 1e-3 |
my_eps = 1e-3 |
51 |
xzoom = clon * pi_d / 180. |
xzoom = clon * pi_d / 180. |
52 |
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53 |
IF (grossismx == 1. .AND. scal180) THEN |
IF (grossismx == 1.) THEN |
54 |
decalx = 1. |
decalx = 1. |
55 |
else |
else |
56 |
decalx = 0.75 |
decalx = 0.75 |
59 |
IF (dzoomx < 1.) THEN |
IF (dzoomx < 1.) THEN |
60 |
dzoom = dzoomx * twopi_d |
dzoom = dzoomx * twopi_d |
61 |
ELSE IF (dzoomx < 25.) THEN |
ELSE IF (dzoomx < 25.) THEN |
62 |
print *, "Le paramètre dzoomx pour fxhyp est trop petit. " & |
print *, "dzoomx pour fxhyp est trop petit." |
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// "L'augmenter et relancer." |
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63 |
STOP 1 |
STOP 1 |
64 |
ELSE |
ELSE |
65 |
dzoom = dzoomx * pi_d / 180. |
dzoom = dzoomx * pi_d / 180. |
67 |
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68 |
print *, 'dzoom (rad):', dzoom |
print *, 'dzoom (rad):', dzoom |
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70 |
DO i = 0, nmax2 |
xtild = arth(- pi_d, twopi_d / nmax2, nmax2 + 1) |
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xtild(i) = - pi_d + REAL(i) * twopi_d / nmax2 |
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END DO |
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DO i = nmax, nmax2 |
DO i = nmax, nmax2 |
73 |
fa = taux* (dzoom / 2. - xtild(i)) |
fa = taux * (dzoom / 2. - xtild(i)) |
74 |
fb = xtild(i) * (pi_d - xtild(i)) |
fb = xtild(i) * (pi_d - xtild(i)) |
75 |
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76 |
IF (200.* fb < - fa) THEN |
IF (200. * fb < - fa) THEN |
77 |
fhyp(i) = - 1. |
fhyp(i) = - 1. |
78 |
ELSE IF (200. * fb < fa) THEN |
ELSE IF (200. * fb < fa) THEN |
79 |
fhyp(i) = 1. |
fhyp(i) = 1. |
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ELSE |
ELSE |
81 |
IF (ABS(fa) < 1e-13.AND.ABS(fb) < 1e-13) THEN |
IF (ABS(fa) < 1e-13.AND.ABS(fb) < 1e-13) THEN |
82 |
IF (200.*fb + fa < 1e-10) THEN |
IF (200. * fb + fa < 1e-10) THEN |
83 |
fhyp(i) = - 1. |
fhyp(i) = - 1. |
84 |
ELSE IF (200.*fb - fa < 1e-10) THEN |
ELSE IF (200. * fb - fa < 1e-10) THEN |
85 |
fhyp(i) = 1. |
fhyp(i) = 1. |
86 |
END IF |
END IF |
87 |
ELSE |
ELSE |
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100 |
DO i = nmax + 1, nmax2 |
DO i = nmax + 1, nmax2 |
101 |
xmoy = 0.5 * (xtild(i-1) + xtild(i)) |
xmoy = 0.5 * (xtild(i-1) + xtild(i)) |
102 |
fa = taux* (dzoom / 2. - xmoy) |
fa = taux * (dzoom / 2. - xmoy) |
103 |
fb = xmoy * (pi_d - xmoy) |
fb = xmoy * (pi_d - xmoy) |
104 |
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105 |
IF (200.* fb < - fa) THEN |
IF (200. * fb < - fa) THEN |
106 |
fxm = - 1. |
fxm = - 1. |
107 |
ELSE IF (200. * fb < fa) THEN |
ELSE IF (200. * fb < fa) THEN |
108 |
fxm = 1. |
fxm = 1. |
109 |
ELSE |
ELSE |
110 |
IF (ABS(fa) < 1e-13.AND.ABS(fb) < 1e-13) THEN |
IF (ABS(fa) < 1e-13.AND.ABS(fb) < 1e-13) THEN |
111 |
IF (200.*fb + fa < 1e-10) THEN |
IF (200. * fb + fa < 1e-10) THEN |
112 |
fxm = - 1. |
fxm = - 1. |
113 |
ELSE IF (200.*fb - fa < 1e-10) THEN |
ELSE IF (200. * fb - fa < 1e-10) THEN |
114 |
fxm = 1. |
fxm = 1. |
115 |
END IF |
END IF |
116 |
ELSE |
ELSE |
148 |
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149 |
DO i = nmax + 1, nmax2 |
DO i = nmax + 1, nmax2 |
150 |
xmoy = 0.5 * (xtild(i-1) + xtild(i)) |
xmoy = 0.5 * (xtild(i-1) + xtild(i)) |
151 |
fa = taux* (dzoom / 2. - xmoy) |
fa = taux * (dzoom / 2. - xmoy) |
152 |
fb = xmoy * (pi_d - xmoy) |
fb = xmoy * (pi_d - xmoy) |
153 |
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154 |
IF (200.* fb < - fa) THEN |
IF (200. * fb < - fa) THEN |
155 |
fxm = - 1. |
fxm = - 1. |
156 |
ELSE IF (200. * fb < fa) THEN |
ELSE IF (200. * fb < fa) THEN |
157 |
fxm = 1. |
fxm = 1. |
164 |
xxpr(i) = beta + (grossismx - beta) * fxm |
xxpr(i) = beta + (grossismx - beta) * fxm |
165 |
END DO |
END DO |
166 |
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167 |
DO i = nmax + 1, nmax2 |
xxpr(:nmax) = xxpr(nmax2:nmax + 1:- 1) |
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xxpr(nmax2-i + 1) = xxpr(i) |
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END DO |
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168 |
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169 |
DO i=1, nmax2 |
DO i=1, nmax2 |
170 |
Xf(i) = Xf(i-1) + xxpr(i) * (xtild(i) - xtild(i-1)) |
Xf(i) = Xf(i-1) + xxpr(i) * (xtild(i) - xtild(i-1)) |
171 |
END DO |
END DO |
172 |
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! xuv = 0. si calcul aux points scalaires |
is2 = 0 |
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! xuv = 0.5 si calcul aux points U |
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175 |
loop_ik: DO ik = 1, 4 |
loop_ik: DO ik = 1, 4 |
176 |
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! xuv = 0. si calcul aux points scalaires |
177 |
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! xuv = 0.5 si calcul aux points U |
178 |
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179 |
IF (ik == 1) THEN |
IF (ik == 1) THEN |
180 |
xuv = -0.25 |
xuv = -0.25 |
181 |
ELSE IF (ik == 2) THEN |
ELSE IF (ik == 2) THEN |
188 |
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189 |
xo1 = 0. |
xo1 = 0. |
190 |
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191 |
ii1=1 |
IF (ik == 1 .and. grossismx == 1.) THEN |
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ii2=iim |
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IF (ik == 1.and.grossismx == 1.) THEN |
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192 |
ii1 = 2 |
ii1 = 2 |
193 |
ii2 = iim + 1 |
ii2 = iim + 1 |
194 |
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else |
195 |
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ii1=1 |
196 |
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ii2=iim |
197 |
END IF |
END IF |
198 |
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199 |
DO i = ii1, ii2 |
DO i = ii1, ii2 |
200 |
xlon2 = - pi_d + (REAL(i) + xuv - decalx) * twopi_d / REAL(iim) |
Xfi = - pi_d + (REAL(i) + xuv - decalx) * twopi_d / REAL(iim) |
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Xfi = xlon2 |
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201 |
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202 |
it = nmax2 |
it = nmax2 |
203 |
do while (xfi < xf(it) .and. it >= 1) |
do while (xfi < xf(it) .and. it >= 1) |
221 |
xtild(it), xtild(it + 1), a0, a1, a2, a3) |
xtild(it), xtild(it + 1), a0, a1, a2, a3) |
222 |
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223 |
Xf1 = Xf(it) |
Xf1 = Xf(it) |
224 |
Xprimin = a1 + 2.* a2 * xi + 3.*a3 * xi *xi |
Xprimin = a1 + 2. * a2 * xi + 3. * a3 * xi * xi |
225 |
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226 |
iter = 1 |
iter = 1 |
227 |
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231 |
xo1 = xi |
xo1 = xi |
232 |
xi2 = xi * xi |
xi2 = xi * xi |
233 |
Xf1 = a0 + a1 * xi + a2 * xi2 + a3 * xi2 * xi |
Xf1 = a0 + a1 * xi + a2 * xi2 + a3 * xi2 * xi |
234 |
Xprimin = a1 + 2.* a2 * xi + 3.* a3 * xi2 |
Xprimin = a1 + 2. * a2 * xi + 3. * a3 * xi2 |
235 |
end DO |
end DO |
236 |
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237 |
if (ABS(xi - xo1) > my_eps) then |
if (ABS(xi - xo1) > my_eps) then |
238 |
! iter == 300 |
! iter == 300 |
239 |
print *, 'Pas de solution.' |
print *, 'Pas de solution.' |
240 |
print *, i, xlon2 |
print *, i, xfi |
241 |
STOP 1 |
STOP 1 |
242 |
end if |
end if |
243 |
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257 |
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258 |
DO i = 1, iim -1 |
DO i = 1, iim -1 |
259 |
IF (xvrai(i + 1) < xvrai(i)) THEN |
IF (xvrai(i + 1) < xvrai(i)) THEN |
260 |
print *, 'Problème avec rlonu(', i + 1, & |
print *, 'rlonu(', i + 1, ') < rlonu(', i, ')' |
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') plus petit que rlonu(', i, ')' |
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261 |
STOP 1 |
STOP 1 |
262 |
END IF |
END IF |
263 |
END DO |
END DO |
264 |
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265 |
! Réorganisation des longitudes pour les avoir entre - pi et pi |
IF (.not. (MINval(xvrai(:iim)) >= - pi_d - 0.1 & |
266 |
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.and. MAXval(xvrai(:iim)) <= pi_d + 0.1)) THEN |
267 |
champmin = 1e12 |
print *, & |
268 |
champmax = -1e12 |
'Réorganisation des longitudes pour les avoir entre - pi et pi' |
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DO i = 1, iim |
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champmin = MIN(champmin, xvrai(i)) |
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champmax = MAX(champmax, xvrai(i)) |
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END DO |
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IF (.not. (champmin >= -pi_d - 0.1 .and. champmax <= pi_d + 0.1)) THEN |
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print *, 'Reorganisation des longitudes pour avoir entre - pi', & |
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' et pi ' |
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269 |
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270 |
IF (xzoom <= 0.) THEN |
IF (xzoom <= 0.) THEN |
271 |
IF (ik == 1) THEN |
IF (ik == 1) THEN |
283 |
is2 = i |
is2 = i |
284 |
END IF |
END IF |
285 |
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286 |
IF (is2.NE. 1) THEN |
IF (is2 /= 1) THEN |
287 |
DO ii = is2, iim |
DO ii = is2, iim |
288 |
xlon(ii-is2 + 1) = xvrai(ii) |
xlon(ii-is2 + 1) = xvrai(ii) |
289 |
xprimm(ii-is2 + 1) = xxprim(ii) |
xprimm(ii-is2 + 1) = xxprim(ii) |
323 |
END IF |
END IF |
324 |
END IF |
END IF |
325 |
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! Fin de la reorganisation |
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326 |
xlon(iim + 1) = xlon(1) + twopi_d |
xlon(iim + 1) = xlon(1) + twopi_d |
327 |
xprimm(iim + 1) = xprimm(1) |
xprimm(iim + 1) = xprimm(1) |
328 |
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329 |
DO i = 1, iim + 1 |
DO i = 1, iim + 1 |
330 |
xvrai(i) = xlon(i)*180. / pi_d |
xvrai(i) = xlon(i) * 180. / pi_d |
331 |
END DO |
END DO |
332 |
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333 |
IF (ik == 1) THEN |
IF (ik == 1) THEN |
344 |
xprimu(i) = xprimm(i) |
xprimu(i) = xprimm(i) |
345 |
END DO |
END DO |
346 |
ELSE IF (ik == 4) THEN |
ELSE IF (ik == 4) THEN |
347 |
DO i = 1, iim + 1 |
rlonp025 = xlon |
348 |
rlonp025(i) = xlon(i) |
xprimp025 = xprimm |
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xprimp025(i) = xprimm(i) |
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END DO |
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349 |
END IF |
END IF |
350 |
end DO loop_ik |
end DO loop_ik |
351 |
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375 |
END IF |
END IF |
376 |
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377 |
IF (rlonp025(i) > rlonu(i)) THEN |
IF (rlonp025(i) > rlonu(i)) THEN |
378 |
print *, ' Attention ! rlonp025 > rlonu', i |
print *, 'rlonp025(', i, ') = ', rlonp025(i) |
379 |
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print *, "> rlonu(", i, ") = ", rlonu(i) |
380 |
STOP 1 |
STOP 1 |
381 |
END IF |
END IF |
382 |
END DO |
END DO |
387 |
3 Format(1x, ' Au centre du zoom, la longueur de la maille est', & |
3 Format(1x, ' Au centre du zoom, la longueur de la maille est', & |
388 |
' d environ ', f0.2, ' degres ', /, & |
' d environ ', f0.2, ' degres ', /, & |
389 |
' alors que la maille en dehors de la zone du zoom est ', & |
' alors que la maille en dehors de la zone du zoom est ', & |
390 |
"d'environ", f0.2, ' degres ') |
"d'environ ", f0.2, ' degres ') |
391 |
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392 |
END SUBROUTINE fxhyp |
END SUBROUTINE fxhyp |
393 |
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