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 fxhyp_loop_ik_m, only: fxhyp_loop_ik, nmax |
22 |
use nr_util, only: pi, pi_d, twopi_d, arth |
use nr_util, only: pi, pi_d, twopi, twopi_d, arth |
23 |
use principal_cshift_m, only: principal_cshift |
use principal_cshift_m, only: principal_cshift |
24 |
use serre, only: clon, grossismx, dzoomx, taux |
use serre, only: clon, grossismx, dzoomx, taux |
25 |
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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) |
36 |
DOUBLE PRECISION xzoom, fa, fb |
DOUBLE PRECISION xzoom, 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 |
xzoom = clon * pi_d / 180d0 |
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xtild = arth(- pi_d, pi_d / nmax, 2 * nmax + 1) |
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45 |
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46 |
! Compute fhyp: |
test_grossismx: if (grossismx == 1.) then |
47 |
DO i = nmax, 2 * nmax |
step = twopi / iim |
48 |
fa = taux * (dzoom / 2. - xtild(i)) |
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49 |
fb = xtild(i) * (pi_d - xtild(i)) |
xprimm025(:iim) = step |
50 |
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xprimp025(:iim) = step |
51 |
IF (200. * fb < - fa) THEN |
xprimv(:iim) = step |
52 |
fhyp(i) = - 1. |
xprimu(:iim) = step |
53 |
ELSE IF (200. * fb < fa) THEN |
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54 |
fhyp(i) = 1. |
rlonv(:iim) = arth(- pi + clon * pi / 180., step, iim) |
55 |
ELSE |
rlonm025(:iim) = rlonv(:iim) - 0.25 * step |
56 |
IF (ABS(fa) < 1e-13 .AND. ABS(fb) < 1e-13) THEN |
rlonp025(:iim) = rlonv(:iim) + 0.25 * step |
57 |
IF (200. * fb + fa < 1e-10) THEN |
rlonu(:iim) = rlonv(:iim) + 0.5 * step |
58 |
fhyp(i) = - 1. |
else |
59 |
ELSE IF (200. * fb - fa < 1e-10) THEN |
dzoom = dzoomx * twopi_d |
60 |
fhyp(i) = 1. |
xtild = arth(- pi_d, pi_d / nmax, 2 * nmax + 1) |
61 |
END IF |
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62 |
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! Compute fhyp: |
63 |
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DO i = nmax, 2 * nmax |
64 |
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fa = taux * (dzoom / 2. - xtild(i)) |
65 |
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fb = xtild(i) * (pi_d - xtild(i)) |
66 |
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67 |
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IF (200. * fb < - fa) THEN |
68 |
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fhyp(i) = - 1. |
69 |
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ELSE IF (200. * fb < fa) THEN |
70 |
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fhyp(i) = 1. |
71 |
ELSE |
ELSE |
72 |
fhyp(i) = TANH(fa / fb) |
IF (ABS(fa) < 1e-13 .AND. ABS(fb) < 1e-13) THEN |
73 |
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IF (200. * fb + fa < 1e-10) THEN |
74 |
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fhyp(i) = - 1. |
75 |
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ELSE IF (200. * fb - fa < 1e-10) THEN |
76 |
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fhyp(i) = 1. |
77 |
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END IF |
78 |
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ELSE |
79 |
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fhyp(i) = TANH(fa / fb) |
80 |
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END IF |
81 |
END IF |
END IF |
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END IF |
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82 |
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83 |
IF (xtild(i) == 0.) fhyp(i) = 1. |
IF (xtild(i) == 0.) fhyp(i) = 1. |
84 |
IF (xtild(i) == pi_d) fhyp(i) = -1. |
IF (xtild(i) == pi_d) fhyp(i) = -1. |
85 |
END DO |
END DO |
86 |
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87 |
! Calcul de beta |
! Calcul de beta |
88 |
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89 |
ffdx = 0. |
ffdx = 0. |
90 |
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91 |
DO i = nmax + 1, 2 * nmax |
DO i = nmax + 1, 2 * nmax |
92 |
xmoy = 0.5 * (xtild(i-1) + xtild(i)) |
xmoy = 0.5 * (xtild(i-1) + xtild(i)) |
93 |
fa = taux * (dzoom / 2. - xmoy) |
fa = taux * (dzoom / 2. - xmoy) |
94 |
fb = xmoy * (pi_d - xmoy) |
fb = xmoy * (pi_d - xmoy) |
95 |
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96 |
IF (200. * fb < - fa) THEN |
IF (200. * fb < - fa) THEN |
97 |
fxm = - 1. |
fxm = - 1. |
98 |
ELSE IF (200. * fb < fa) THEN |
ELSE IF (200. * fb < fa) THEN |
99 |
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 |
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100 |
ELSE |
ELSE |
101 |
fxm = TANH(fa / fb) |
IF (ABS(fa) < 1e-13 .AND. ABS(fb) < 1e-13) THEN |
102 |
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IF (200. * fb + fa < 1e-10) THEN |
103 |
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fxm = - 1. |
104 |
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ELSE IF (200. * fb - fa < 1e-10) THEN |
105 |
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fxm = 1. |
106 |
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END IF |
107 |
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ELSE |
108 |
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fxm = TANH(fa / fb) |
109 |
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END IF |
110 |
END IF |
END IF |
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END IF |
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111 |
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112 |
IF (xmoy == 0.) fxm = 1. |
IF (xmoy == 0.) fxm = 1. |
113 |
IF (xmoy == pi_d) fxm = -1. |
IF (xmoy == pi_d) fxm = -1. |
114 |
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115 |
ffdx = ffdx + fxm * (xtild(i) - xtild(i-1)) |
ffdx = ffdx + fxm * (xtild(i) - xtild(i-1)) |
116 |
END DO |
END DO |
117 |
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118 |
print *, "ffdx = ", ffdx |
print *, "ffdx = ", ffdx |
119 |
beta = (grossismx * ffdx - pi_d) / (ffdx - pi_d) |
beta = (grossismx * ffdx - pi_d) / (ffdx - pi_d) |
120 |
print *, "beta = ", beta |
print *, "beta = ", beta |
121 |
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122 |
IF (2. * beta - grossismx <= 0.) THEN |
IF (2. * beta - grossismx <= 0.) THEN |
123 |
print *, 'Bad choice of grossismx, taux, dzoomx.' |
print *, 'Bad choice of grossismx, taux, dzoomx.' |
124 |
print *, 'Decrease dzoomx or grossismx.' |
print *, 'Decrease dzoomx or grossismx.' |
125 |
STOP 1 |
STOP 1 |
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END IF |
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! calcul de Xprimt |
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Xprimt(nmax:2 * nmax) = beta + (grossismx - beta) * fhyp |
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xprimt(:nmax - 1) = xprimt(2 * nmax:nmax + 1:- 1) |
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! Calcul de Xf |
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DO i = nmax + 1, 2 * nmax |
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xmoy = 0.5 * (xtild(i-1) + xtild(i)) |
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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) |
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126 |
END IF |
END IF |
127 |
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128 |
IF (xmoy == 0.) fxm = 1. |
! calcul de Xprimt |
129 |
IF (xmoy == pi_d) fxm = -1. |
Xprimt(nmax:2 * nmax) = beta + (grossismx - beta) * fhyp |
130 |
xxpr(i) = beta + (grossismx - beta) * fxm |
xprimt(:nmax - 1) = xprimt(2 * nmax:nmax + 1:- 1) |
131 |
END DO |
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132 |
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! Calcul de Xf |
133 |
xxpr(:nmax) = xxpr(2 * nmax:nmax + 1:- 1) |
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134 |
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DO i = nmax + 1, 2 * nmax |
135 |
Xf(0) = - pi_d |
xmoy = 0.5 * (xtild(i-1) + xtild(i)) |
136 |
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fa = taux * (dzoom / 2. - xmoy) |
137 |
DO i=1, 2 * nmax - 1 |
fb = xmoy * (pi_d - xmoy) |
138 |
Xf(i) = Xf(i-1) + xxpr(i) * (xtild(i) - xtild(i-1)) |
|
139 |
END DO |
IF (200. * fb < - fa) THEN |
140 |
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fxm = - 1. |
141 |
Xf(2 * nmax) = pi_d |
ELSE IF (200. * fb < fa) THEN |
142 |
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fxm = 1. |
143 |
IF (grossismx == 1.) THEN |
ELSE |
144 |
decalx = 1d0 |
fxm = TANH(fa / fb) |
145 |
else |
END IF |
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decalx = 0.75d0 |
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END IF |
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146 |
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147 |
xzoom = clon * pi_d / 180d0 |
IF (xmoy == 0.) fxm = 1. |
148 |
call fxhyp_loop_ik(1, decalx, xf, xtild, Xprimt, xzoom, rlonm025(:iim), & |
IF (xmoy == pi_d) fxm = -1. |
149 |
xprimm025(:iim), xuv = - 0.25d0) |
xxpr(i) = beta + (grossismx - beta) * fxm |
150 |
call fxhyp_loop_ik(2, decalx, xf, xtild, Xprimt, xzoom, rlonv(:iim), & |
END DO |
151 |
xprimv(:iim), xuv = 0d0) |
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152 |
call fxhyp_loop_ik(3, decalx, xf, xtild, Xprimt, xzoom, rlonu(:iim), & |
xxpr(:nmax) = xxpr(2 * nmax:nmax + 1:- 1) |
153 |
xprimu(:iim), xuv = 0.5d0) |
|
154 |
call fxhyp_loop_ik(4, decalx, xf, xtild, Xprimt, xzoom, rlonp025(:iim), & |
Xf(0) = - pi_d |
155 |
xprimp025(:iim), xuv = 0.25d0) |
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156 |
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DO i=1, 2 * nmax - 1 |
157 |
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Xf(i) = Xf(i-1) + xxpr(i) * (xtild(i) - xtild(i-1)) |
158 |
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END DO |
159 |
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160 |
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Xf(2 * nmax) = pi_d |
161 |
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162 |
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call fxhyp_loop_ik(xf, xtild, Xprimt, xzoom, rlonm025(:iim), & |
163 |
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xprimm025(:iim), xuv = - 0.25d0) |
164 |
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call fxhyp_loop_ik(xf, xtild, Xprimt, xzoom, rlonv(:iim), & |
165 |
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xprimv(:iim), xuv = 0d0) |
166 |
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call fxhyp_loop_ik(xf, xtild, Xprimt, xzoom, rlonu(:iim), & |
167 |
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xprimu(:iim), xuv = 0.5d0) |
168 |
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call fxhyp_loop_ik(xf, xtild, Xprimt, xzoom, rlonp025(:iim), & |
169 |
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xprimp025(:iim), xuv = 0.25d0) |
170 |
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end if test_grossismx |
171 |
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172 |
is2 = 0 |
is2 = 0 |
173 |
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