18 |
! 1., taux=0., clon=0.) est à - 180 degrés. |
! 1., taux=0., clon=0.) est à - 180 degrés. |
19 |
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|
20 |
USE dimens_m, ONLY: iim |
USE dimens_m, ONLY: iim |
21 |
use fxhyp_loop_ik_m, only: fxhyp_loop_ik, nmax |
use dynetat0_m, only: clon, grossismx, dzoomx, taux |
22 |
use nr_util, only: pi, pi_d, twopi_d, arth |
use invert_zoom_x_m, only: invert_zoom_x, nmax |
23 |
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use nr_util, only: pi, pi_d, twopi, twopi_d, arth |
24 |
use principal_cshift_m, only: principal_cshift |
use principal_cshift_m, only: principal_cshift |
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use serre, only: clon, grossismx, dzoomx, taux |
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25 |
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26 |
REAL, intent(out):: xprimm025(:), rlonv(:), xprimv(:) ! (iim + 1) |
REAL, intent(out):: xprimm025(:), rlonv(:), xprimv(:) ! (iim + 1) |
27 |
real, intent(out):: rlonu(:), xprimu(:), xprimp025(:) ! (iim + 1) |
real, intent(out):: rlonu(:), xprimu(:), xprimp025(:) ! (iim + 1) |
28 |
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29 |
! Local: |
! Local: |
30 |
real rlonm025(iim + 1), rlonp025(iim + 1) |
real rlonm025(iim + 1), rlonp025(iim + 1) |
31 |
REAL dzoom |
REAL dzoom, step |
32 |
real d_rlonv(iim) |
real d_rlonv(iim) |
33 |
DOUBLE PRECISION xtild(0:2 * nmax) |
DOUBLE PRECISION xtild(0:2 * nmax) |
34 |
DOUBLE PRECISION fhyp(nmax:2 * nmax), ffdx, beta, Xprimt(0:2 * nmax) |
DOUBLE PRECISION fhyp(nmax:2 * nmax), ffdx, beta, Xprimt(0:2 * nmax) |
35 |
DOUBLE PRECISION Xf(0:2 * nmax), xxpr(2 * nmax) |
DOUBLE PRECISION Xf(0:2 * nmax), xxpr(2 * nmax) |
36 |
DOUBLE PRECISION xzoom, fa, fb |
DOUBLE PRECISION fa, fb |
37 |
INTEGER i, is2 |
INTEGER i, is2 |
38 |
DOUBLE PRECISION xmoy, fxm |
DOUBLE PRECISION xmoy, fxm |
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DOUBLE PRECISION decalx |
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39 |
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40 |
!---------------------------------------------------------------------- |
!---------------------------------------------------------------------- |
41 |
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42 |
print *, "Call sequence information: fxhyp" |
print *, "Call sequence information: fxhyp" |
43 |
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|
44 |
dzoom = dzoomx * twopi_d |
test_grossismx: if (grossismx == 1.) then |
45 |
xtild = arth(- pi_d, pi_d / nmax, 2 * nmax + 1) |
step = twopi / iim |
46 |
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|
47 |
! Compute fhyp: |
xprimm025(:iim) = step |
48 |
DO i = nmax, 2 * nmax |
xprimp025(:iim) = step |
49 |
fa = taux * (dzoom / 2. - xtild(i)) |
xprimv(:iim) = step |
50 |
fb = xtild(i) * (pi_d - xtild(i)) |
xprimu(:iim) = step |
51 |
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|
52 |
IF (200. * fb < - fa) THEN |
rlonv(:iim) = arth(- pi + clon, step, iim) |
53 |
fhyp(i) = - 1. |
rlonm025(:iim) = rlonv(:iim) - 0.25 * step |
54 |
ELSE IF (200. * fb < fa) THEN |
rlonp025(:iim) = rlonv(:iim) + 0.25 * step |
55 |
fhyp(i) = 1. |
rlonu(:iim) = rlonv(:iim) + 0.5 * step |
56 |
ELSE |
else test_grossismx |
57 |
IF (ABS(fa) < 1e-13 .AND. ABS(fb) < 1e-13) THEN |
dzoom = dzoomx * twopi_d |
58 |
IF (200. * fb + fa < 1e-10) THEN |
xtild = arth(- pi_d, pi_d / nmax, 2 * nmax + 1) |
59 |
fhyp(i) = - 1. |
|
60 |
ELSE IF (200. * fb - fa < 1e-10) THEN |
! Compute fhyp: |
61 |
fhyp(i) = 1. |
DO i = nmax, 2 * nmax |
62 |
END IF |
fa = taux * (dzoom / 2. - xtild(i)) |
63 |
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fb = xtild(i) * (pi_d - xtild(i)) |
64 |
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65 |
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IF (200. * fb < - fa) THEN |
66 |
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fhyp(i) = - 1. |
67 |
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ELSE IF (200. * fb < fa) THEN |
68 |
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fhyp(i) = 1. |
69 |
ELSE |
ELSE |
70 |
fhyp(i) = TANH(fa / fb) |
IF (ABS(fa) < 1e-13 .AND. ABS(fb) < 1e-13) THEN |
71 |
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IF (200. * fb + fa < 1e-10) THEN |
72 |
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fhyp(i) = - 1. |
73 |
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ELSE IF (200. * fb - fa < 1e-10) THEN |
74 |
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fhyp(i) = 1. |
75 |
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END IF |
76 |
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ELSE |
77 |
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fhyp(i) = TANH(fa / fb) |
78 |
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END IF |
79 |
END IF |
END IF |
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END IF |
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80 |
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81 |
IF (xtild(i) == 0.) fhyp(i) = 1. |
IF (xtild(i) == 0.) fhyp(i) = 1. |
82 |
IF (xtild(i) == pi_d) fhyp(i) = -1. |
IF (xtild(i) == pi_d) fhyp(i) = -1. |
83 |
END DO |
END DO |
84 |
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85 |
! Calcul de beta |
! Calcul de beta |
86 |
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87 |
ffdx = 0. |
ffdx = 0. |
88 |
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89 |
DO i = nmax + 1, 2 * nmax |
DO i = nmax + 1, 2 * nmax |
90 |
xmoy = 0.5 * (xtild(i-1) + xtild(i)) |
xmoy = 0.5 * (xtild(i-1) + xtild(i)) |
91 |
fa = taux * (dzoom / 2. - xmoy) |
fa = taux * (dzoom / 2. - xmoy) |
92 |
fb = xmoy * (pi_d - xmoy) |
fb = xmoy * (pi_d - xmoy) |
93 |
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|
94 |
IF (200. * fb < - fa) THEN |
IF (200. * fb < - fa) THEN |
95 |
fxm = - 1. |
fxm = - 1. |
96 |
ELSE IF (200. * fb < fa) THEN |
ELSE IF (200. * fb < fa) THEN |
97 |
fxm = 1. |
fxm = 1. |
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ELSE |
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IF (ABS(fa) < 1e-13 .AND. ABS(fb) < 1e-13) THEN |
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IF (200. * fb + fa < 1e-10) THEN |
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fxm = - 1. |
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ELSE IF (200. * fb - fa < 1e-10) THEN |
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fxm = 1. |
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END IF |
|
98 |
ELSE |
ELSE |
99 |
fxm = TANH(fa / fb) |
IF (ABS(fa) < 1e-13 .AND. ABS(fb) < 1e-13) THEN |
100 |
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IF (200. * fb + fa < 1e-10) THEN |
101 |
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fxm = - 1. |
102 |
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ELSE IF (200. * fb - fa < 1e-10) THEN |
103 |
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fxm = 1. |
104 |
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END IF |
105 |
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ELSE |
106 |
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fxm = TANH(fa / fb) |
107 |
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END IF |
108 |
END IF |
END IF |
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END IF |
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109 |
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110 |
IF (xmoy == 0.) fxm = 1. |
IF (xmoy == 0.) fxm = 1. |
111 |
IF (xmoy == pi_d) fxm = -1. |
IF (xmoy == pi_d) fxm = -1. |
112 |
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|
113 |
ffdx = ffdx + fxm * (xtild(i) - xtild(i-1)) |
ffdx = ffdx + fxm * (xtild(i) - xtild(i-1)) |
114 |
END DO |
END DO |
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print *, "ffdx = ", ffdx |
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beta = (grossismx * ffdx - pi_d) / (ffdx - pi_d) |
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print *, "beta = ", beta |
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IF (2. * beta - grossismx <= 0.) THEN |
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print *, 'Bad choice of grossismx, taux, dzoomx.' |
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print *, 'Decrease dzoomx or grossismx.' |
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STOP 1 |
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END IF |
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115 |
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116 |
! calcul de Xprimt |
print *, "ffdx = ", ffdx |
117 |
Xprimt(nmax:2 * nmax) = beta + (grossismx - beta) * fhyp |
beta = (grossismx * ffdx - pi_d) / (ffdx - pi_d) |
118 |
xprimt(:nmax - 1) = xprimt(2 * nmax:nmax + 1:- 1) |
print *, "beta = ", beta |
119 |
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|
120 |
! Calcul de Xf |
IF (2. * beta - grossismx <= 0.) THEN |
121 |
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print *, 'Bad choice of grossismx, taux, dzoomx.' |
122 |
DO i = nmax + 1, 2 * nmax |
print *, 'Decrease dzoomx or grossismx.' |
123 |
xmoy = 0.5 * (xtild(i-1) + xtild(i)) |
STOP 1 |
|
fa = taux * (dzoom / 2. - xmoy) |
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fb = xmoy * (pi_d - xmoy) |
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IF (200. * fb < - fa) THEN |
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fxm = - 1. |
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ELSE IF (200. * fb < fa) THEN |
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fxm = 1. |
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ELSE |
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fxm = TANH(fa / fb) |
|
124 |
END IF |
END IF |
125 |
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126 |
IF (xmoy == 0.) fxm = 1. |
! calcul de Xprimt |
127 |
IF (xmoy == pi_d) fxm = -1. |
Xprimt(nmax:2 * nmax) = beta + (grossismx - beta) * fhyp |
128 |
xxpr(i) = beta + (grossismx - beta) * fxm |
xprimt(:nmax - 1) = xprimt(2 * nmax:nmax + 1:- 1) |
129 |
END DO |
|
130 |
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! Calcul de Xf |
131 |
xxpr(:nmax) = xxpr(2 * nmax:nmax + 1:- 1) |
|
132 |
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DO i = nmax + 1, 2 * nmax |
133 |
Xf(0) = - pi_d |
xmoy = 0.5 * (xtild(i-1) + xtild(i)) |
134 |
|
fa = taux * (dzoom / 2. - xmoy) |
135 |
DO i=1, 2 * nmax - 1 |
fb = xmoy * (pi_d - xmoy) |
136 |
Xf(i) = Xf(i-1) + xxpr(i) * (xtild(i) - xtild(i-1)) |
|
137 |
END DO |
IF (200. * fb < - fa) THEN |
138 |
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fxm = - 1. |
139 |
Xf(2 * nmax) = pi_d |
ELSE IF (200. * fb < fa) THEN |
140 |
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fxm = 1. |
141 |
IF (grossismx == 1.) THEN |
ELSE |
142 |
decalx = 1d0 |
fxm = TANH(fa / fb) |
143 |
else |
END IF |
|
decalx = 0.75d0 |
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END IF |
|
144 |
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|
145 |
xzoom = clon * pi_d / 180d0 |
IF (xmoy == 0.) fxm = 1. |
146 |
call fxhyp_loop_ik(1, decalx, xf, xtild, Xprimt, xzoom, rlonm025(:iim), & |
IF (xmoy == pi_d) fxm = -1. |
147 |
xprimm025(:iim), xuv = - 0.25d0) |
xxpr(i) = beta + (grossismx - beta) * fxm |
148 |
call fxhyp_loop_ik(2, decalx, xf, xtild, Xprimt, xzoom, rlonv(:iim), & |
END DO |
149 |
xprimv(:iim), xuv = 0d0) |
|
150 |
call fxhyp_loop_ik(3, decalx, xf, xtild, Xprimt, xzoom, rlonu(:iim), & |
xxpr(:nmax) = xxpr(2 * nmax:nmax + 1:- 1) |
151 |
xprimu(:iim), xuv = 0.5d0) |
|
152 |
call fxhyp_loop_ik(4, decalx, xf, xtild, Xprimt, xzoom, rlonp025(:iim), & |
Xf(0) = - pi_d |
153 |
xprimp025(:iim), xuv = 0.25d0) |
|
154 |
|
DO i=1, 2 * nmax - 1 |
155 |
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Xf(i) = Xf(i-1) + xxpr(i) * (xtild(i) - xtild(i-1)) |
156 |
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END DO |
157 |
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158 |
|
Xf(2 * nmax) = pi_d |
159 |
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160 |
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call invert_zoom_x(xf, xtild, Xprimt, rlonm025(:iim), xprimm025(:iim), & |
161 |
|
xuv = - 0.25d0) |
162 |
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call invert_zoom_x(xf, xtild, Xprimt, rlonv(:iim), xprimv(:iim), & |
163 |
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xuv = 0d0) |
164 |
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call invert_zoom_x(xf, xtild, Xprimt, rlonu(:iim), xprimu(:iim), & |
165 |
|
xuv = 0.5d0) |
166 |
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call invert_zoom_x(xf, xtild, Xprimt, rlonp025(:iim), xprimp025(:iim), & |
167 |
|
xuv = 0.25d0) |
168 |
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end if test_grossismx |
169 |
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|
170 |
is2 = 0 |
is2 = 0 |
171 |
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|
205 |
print *, "Minimum longitude step:", MINval(d_rlonv) * 180. / pi, "degrees" |
print *, "Minimum longitude step:", MINval(d_rlonv) * 180. / pi, "degrees" |
206 |
print *, "Maximum longitude step:", MAXval(d_rlonv) * 180. / pi, "degrees" |
print *, "Maximum longitude step:", MAXval(d_rlonv) * 180. / pi, "degrees" |
207 |
|
|
208 |
|
! Check that rlonm025 <= rlonv <= rlonp025 <= rlonu: |
209 |
DO i = 1, iim + 1 |
DO i = 1, iim + 1 |
210 |
IF (rlonp025(i) < rlonv(i)) THEN |
IF (rlonp025(i) < rlonv(i)) THEN |
211 |
print *, 'rlonp025(', i, ') = ', rlonp025(i) |
print *, 'rlonp025(', i, ') = ', rlonp025(i) |